diff --git a/src/main/java/dk/camelot64/kickc/passes/Pass4ZeroPageCoalesce.java b/src/main/java/dk/camelot64/kickc/passes/Pass4ZeroPageCoalesce.java
index ac8827a56..b3d91683c 100644
--- a/src/main/java/dk/camelot64/kickc/passes/Pass4ZeroPageCoalesce.java
+++ b/src/main/java/dk/camelot64/kickc/passes/Pass4ZeroPageCoalesce.java
@@ -2,6 +2,9 @@ package dk.camelot64.kickc.passes;
 
 import dk.camelot64.kickc.model.*;
 
+import java.util.Collection;
+import java.util.List;
+
 /**
  * Coalesces zero page registers where their live ranges do not overlap.
  * A final step done after all other register optimizations and before ASM generation.
@@ -23,28 +26,73 @@ public class Pass4ZeroPageCoalesce extends Pass2Base {
    }
 
    /**
-    * Find two equivalence classes that can be coalesced into one - and perform the coalescence.
+    * Find the best two equivalence classes that can be coalesced into one - and perform the coalescence.
     *
     * @param liveRangeEquivalenceClassSet The set of live range equivalence classes
     * @return true if any classes were coalesced. False otherwise.
     */
    private boolean coalesce(LiveRangeEquivalenceClassSet liveRangeEquivalenceClassSet) {
-      for(LiveRangeEquivalenceClass myEquivalenceClass : liveRangeEquivalenceClassSet.getEquivalenceClasses()) {
+      double maxScore = Double.MIN_VALUE;
+      LiveRangeEquivalenceClass maxThis = null;
+      LiveRangeEquivalenceClass maxOther = null;
+
+      for(LiveRangeEquivalenceClass thisEquivalenceClass : liveRangeEquivalenceClassSet.getEquivalenceClasses()) {
          for(LiveRangeEquivalenceClass otherEquivalenceClass : liveRangeEquivalenceClassSet.getEquivalenceClasses()) {
-            if(!myEquivalenceClass.equals(otherEquivalenceClass)) {
-               if(canCoalesce(myEquivalenceClass, otherEquivalenceClass)) {
-                  getLog().append("Coalescing zero page register [ " + myEquivalenceClass + " ] with [ " + otherEquivalenceClass + " ]");
-                  liveRangeEquivalenceClassSet.consolidate(myEquivalenceClass, otherEquivalenceClass);
-                  // Reset the program register allocation
-                  getProgram().getLiveRangeEquivalenceClassSet().storeRegisterAllocation();
-                  return true;
+            if(!thisEquivalenceClass.equals(otherEquivalenceClass)) {
+               if(canCoalesce(thisEquivalenceClass, otherEquivalenceClass)) {
+                  double coalesceScore = getCoalesceScore(thisEquivalenceClass, otherEquivalenceClass);
+                  if(coalesceScore>maxScore) {
+                     maxScore = coalesceScore;
+                     maxThis = thisEquivalenceClass;
+                     maxOther = otherEquivalenceClass;
+                  }
                }
             }
          }
       }
+
+      if(maxOther!=null) {
+         getLog().append("Coalescing zero page register [ " + maxThis+ " ] with [ " + maxOther + " ]");
+         liveRangeEquivalenceClassSet.consolidate(maxThis, maxOther);
+         // Reset the program register allocation
+         getProgram().getLiveRangeEquivalenceClassSet().storeRegisterAllocation();
+         return true;
+      }
+
       return false;
    }
 
+   private double getCoalesceScore(LiveRangeEquivalenceClass thisEquivalenceClass, LiveRangeEquivalenceClass otherEquivalenceClass) {
+      double score = 0.0;
+      List<VariableRef> thisClassVars = thisEquivalenceClass.getVariables();
+      List<VariableRef> otherClassVars = otherEquivalenceClass.getVariables();
+      VariableReferenceInfos variableReferenceInfos = getProgram().getVariableReferenceInfos();
+      for(ControlFlowBlock block : getProgram().getGraph().getAllBlocks()) {
+         for(Statement statement : block.getStatements()) {
+            Collection<VariableRef> definedVars = variableReferenceInfos.getDefinedVars(statement);
+            Collection<VariableRef> usedVars = variableReferenceInfos.getUsedVars(statement);
+            if(definedVars!=null && definedVars.size()>0) {
+               for(VariableRef definedVar : definedVars) {
+                  if(thisClassVars.contains(definedVar)) {
+                     for(VariableRef usedVar : usedVars) {
+                        if(otherClassVars.contains(usedVar)) {
+                           score += 1.0;
+                        }
+                     }
+                  } else if(otherClassVars.contains(definedVar)) {
+                     for(VariableRef usedVar : usedVars) {
+                        if(thisClassVars.contains(usedVar)) {
+                           score += 1.0;
+                        }
+                     }
+                  }
+               }
+            }
+         }
+      }
+      return score;
+   }
+
    private boolean canCoalesce(LiveRangeEquivalenceClass myEquivalenceClass, LiveRangeEquivalenceClass otherEquivalenceClass) {
       VariableRef myVariableRef = myEquivalenceClass.getVariables().get(0);
       Variable myVariable = getProgram().getSymbolInfos().getVariable(myVariableRef);
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/bitmap-bresenham.asm b/src/test/java/dk/camelot64/kickc/test/ref/bitmap-bresenham.asm
index 8728cd236..4e1ba1b58 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/bitmap-bresenham.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/bitmap-bresenham.asm
@@ -48,11 +48,13 @@ lines: {
     rts
 }
 line: {
-    .label x0 = 3
-    .label x1 = 4
+    .label x0 = 8
+    .label x1 = $14
     .label y0 = 5
-    .label xd = 7
+    .label xd = 3
     .label yd = $a
+    .label yd_1 = 4
+    .label yd_10 = 4
     lda x0
     cmp x1
     bcs b1
@@ -67,18 +69,12 @@ line: {
     tya
     sec
     sbc y0
-    sta yd
+    sta yd_1
     cmp xd
     bcs b3
     ldx x0
-    lda y0
-    sta line_xdyi.y
     lda x1
     sta line_xdyi.x1
-    lda xd
-    sta line_xdyi.xd
-    lda yd
-    sta line_xdyi.yd
     jsr line_xdyi
   breturn:
     rts
@@ -87,10 +83,6 @@ line: {
     sta line_ydxi.y
     ldx x0
     sty line_ydxi.y1
-    lda yd
-    sta line_ydxi.yd
-    lda xd
-    sta line_ydxi.xd
     jsr line_ydxi
     jmp breturn
   b2:
@@ -102,23 +94,13 @@ line: {
     cmp xd
     bcs b6
     ldx x0
-    lda y0
-    sta line_xdyd.y
     lda x1
     sta line_xdyd.x1
-    lda xd
-    sta line_xdyd.xd
-    lda yd
-    sta line_xdyd.yd
     jsr line_xdyd
     jmp breturn
   b6:
     sty line_ydxd.y
     ldx x1
-    lda yd
-    sta line_ydxd.yd
-    lda xd
-    sta line_ydxd.xd
     jsr line_ydxd
     jmp breturn
   b1:
@@ -138,12 +120,6 @@ line: {
     bcs b10
     ldx x1
     sty line_xdyd.y
-    lda x0
-    sta line_xdyd.x1
-    lda xd
-    sta line_xdyd.xd
-    lda yd
-    sta line_xdyd.yd
     jsr line_xdyd
     jmp breturn
   b10:
@@ -151,10 +127,6 @@ line: {
     sta line_ydxd.y
     ldx x0
     sty line_ydxd.y1
-    lda yd
-    sta line_ydxd.yd
-    lda xd
-    sta line_ydxd.xd
     jsr line_ydxd
     jmp breturn
   b9:
@@ -162,26 +134,16 @@ line: {
     eor #$ff
     sec
     adc y0
-    sta yd
+    sta yd_10
     cmp xd
     bcs b13
     ldx x1
     sty line_xdyi.y
-    lda x0
-    sta line_xdyi.x1
-    lda xd
-    sta line_xdyi.xd
-    lda yd
-    sta line_xdyi.yd
     jsr line_xdyi
     jmp breturn
   b13:
     sty line_ydxi.y
     ldx x1
-    lda yd
-    sta line_ydxi.yd
-    lda xd
-    sta line_ydxi.xd
     jsr line_ydxi
     jmp breturn
 }
@@ -218,9 +180,9 @@ line_ydxi: {
     rts
 }
 plot: {
-    .label _0 = 8
-    .label plotter_x = 8
-    .label plotter_y = $b
+    .label _0 = $15
+    .label plotter_x = $15
+    .label plotter_y = $17
     lda plot_xhi,x
     sta plotter_x+1
     lda plot_xlo,x
@@ -243,12 +205,12 @@ plot: {
     rts
 }
 line_xdyi: {
-    .label _6 = $a
-    .label y = 6
-    .label x1 = 5
-    .label xd = 4
-    .label yd = 3
-    .label e = 7
+    .label _6 = $19
+    .label y = 5
+    .label x1 = 8
+    .label xd = 3
+    .label yd = 4
+    .label e = 9
     lda yd
     lsr
     sta e
@@ -277,11 +239,11 @@ line_xdyi: {
     rts
 }
 line_ydxd: {
-    .label y = 6
+    .label y = $b
     .label y1 = 5
-    .label yd = 4
+    .label yd = $a
     .label xd = 3
-    .label e = 7
+    .label e = $c
     lda xd
     lsr
     sta e
@@ -309,12 +271,12 @@ line_ydxd: {
     rts
 }
 line_xdyd: {
-    .label _6 = $a
-    .label y = 6
-    .label x1 = 5
-    .label xd = 4
-    .label yd = 3
-    .label e = 7
+    .label _6 = $1a
+    .label y = 5
+    .label x1 = 8
+    .label xd = 3
+    .label yd = $a
+    .label e = $d
     lda yd
     lsr
     sta e
@@ -343,8 +305,8 @@ line_xdyd: {
     rts
 }
 init_plot_tables: {
-    .label _6 = 2
-    .label yoffs = 8
+    .label _6 = $1b
+    .label yoffs = $e
     ldy #$80
     ldx #0
   b1:
@@ -396,8 +358,8 @@ init_plot_tables: {
     rts
 }
 init_screen: {
-    .label b = 8
-    .label c = 8
+    .label b = $10
+    .label c = $12
     lda #<BITMAP
     sta b
     lda #>BITMAP
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/bitmap-bresenham.log b/src/test/java/dk/camelot64/kickc/test/ref/bitmap-bresenham.log
index 3a2aa16eb..bd5f0bdb0 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/bitmap-bresenham.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/bitmap-bresenham.log
@@ -5561,41 +5561,41 @@ Attempting to uplift remaining variables inzp ZP_BYTE:42 [ line::xd#1 ]
 Uplifting [line] best 268790 combination zp ZP_BYTE:42 [ line::xd#1 ] 
 Attempting to uplift remaining variables inzp ZP_BYTE:45 [ line::xd#0 ]
 Uplifting [line] best 268790 combination zp ZP_BYTE:45 [ line::xd#0 ] 
-Coalescing zero page register [ zp ZP_BYTE:2 [ lines::l#2 lines::l#1 ] ] with [ zp ZP_BYTE:60 [ init_plot_tables::$6 ] ]
-Coalescing zero page register [ zp ZP_BYTE:3 [ line_ydxi::xd#2 line_ydxi::xd#1 line_ydxi::xd#0 ] ] with [ zp ZP_BYTE:11 [ line_xdyi::yd#2 line_xdyi::yd#0 line_xdyi::yd#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:3 [ line_ydxi::xd#2 line_ydxi::xd#1 line_ydxi::xd#0 line_xdyi::yd#2 line_xdyi::yd#0 line_xdyi::yd#1 ] ] with [ zp ZP_BYTE:17 [ line_ydxd::xd#2 line_ydxd::xd#1 line_ydxd::xd#0 ] ]
-Coalescing zero page register [ zp ZP_BYTE:3 [ line_ydxi::xd#2 line_ydxi::xd#1 line_ydxi::xd#0 line_xdyi::yd#2 line_xdyi::yd#0 line_xdyi::yd#1 line_ydxd::xd#2 line_ydxd::xd#1 line_ydxd::xd#0 ] ] with [ zp ZP_BYTE:23 [ line_xdyd::yd#2 line_xdyd::yd#0 line_xdyd::yd#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:3 [ line_ydxi::xd#2 line_ydxi::xd#1 line_ydxi::xd#0 line_xdyi::yd#2 line_xdyi::yd#0 line_xdyi::yd#1 line_ydxd::xd#2 line_ydxd::xd#1 line_ydxd::xd#0 line_xdyd::yd#2 line_xdyd::yd#0 line_xdyd::yd#1 ] ] with [ zp ZP_BYTE:38 [ line::x0#0 ] ]
-Coalescing zero page register [ zp ZP_BYTE:4 [ line_ydxi::yd#5 line_ydxi::yd#1 line_ydxi::yd#0 ] ] with [ zp ZP_BYTE:12 [ line_xdyi::xd#5 line_xdyi::xd#0 line_xdyi::xd#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:4 [ line_ydxi::yd#5 line_ydxi::yd#1 line_ydxi::yd#0 line_xdyi::xd#5 line_xdyi::xd#0 line_xdyi::xd#1 ] ] with [ zp ZP_BYTE:18 [ line_ydxd::yd#5 line_ydxd::yd#1 line_ydxd::yd#0 ] ]
-Coalescing zero page register [ zp ZP_BYTE:4 [ line_ydxi::yd#5 line_ydxi::yd#1 line_ydxi::yd#0 line_xdyi::xd#5 line_xdyi::xd#0 line_xdyi::xd#1 line_ydxd::yd#5 line_ydxd::yd#1 line_ydxd::yd#0 ] ] with [ zp ZP_BYTE:24 [ line_xdyd::xd#5 line_xdyd::xd#0 line_xdyd::xd#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:4 [ line_ydxi::yd#5 line_ydxi::yd#1 line_ydxi::yd#0 line_xdyi::xd#5 line_xdyi::xd#0 line_xdyi::xd#1 line_ydxd::yd#5 line_ydxd::yd#1 line_ydxd::yd#0 line_xdyd::xd#5 line_xdyd::xd#0 line_xdyd::xd#1 ] ] with [ zp ZP_BYTE:39 [ line::x1#0 ] ]
-Coalescing zero page register [ zp ZP_BYTE:5 [ line_ydxi::y1#6 line_ydxi::y1#1 line_ydxi::y1#0 ] ] with [ zp ZP_BYTE:13 [ line_xdyi::x1#6 line_xdyi::x1#0 line_xdyi::x1#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:5 [ line_ydxi::y1#6 line_ydxi::y1#1 line_ydxi::y1#0 line_xdyi::x1#6 line_xdyi::x1#0 line_xdyi::x1#1 ] ] with [ zp ZP_BYTE:19 [ line_ydxd::y1#6 line_ydxd::y1#1 line_ydxd::y1#0 ] ]
-Coalescing zero page register [ zp ZP_BYTE:5 [ line_ydxi::y1#6 line_ydxi::y1#1 line_ydxi::y1#0 line_xdyi::x1#6 line_xdyi::x1#0 line_xdyi::x1#1 line_ydxd::y1#6 line_ydxd::y1#1 line_ydxd::y1#0 ] ] with [ zp ZP_BYTE:25 [ line_xdyd::x1#6 line_xdyd::x1#0 line_xdyd::x1#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:5 [ line_ydxi::y1#6 line_ydxi::y1#1 line_ydxi::y1#0 line_xdyi::x1#6 line_xdyi::x1#0 line_xdyi::x1#1 line_ydxd::y1#6 line_ydxd::y1#1 line_ydxd::y1#0 line_xdyd::x1#6 line_xdyd::x1#0 line_xdyd::x1#1 ] ] with [ zp ZP_BYTE:40 [ line::y0#0 ] ]
-Coalescing zero page register [ zp ZP_BYTE:7 [ line_ydxi::y#3 line_ydxi::y#6 line_ydxi::y#1 line_ydxi::y#0 line_ydxi::y#2 ] ] with [ zp ZP_BYTE:15 [ line_xdyi::y#3 line_xdyi::y#5 line_xdyi::y#0 line_xdyi::y#1 line_xdyi::y#6 line_xdyi::y#2 ] ]
-Coalescing zero page register [ zp ZP_BYTE:7 [ line_ydxi::y#3 line_ydxi::y#6 line_ydxi::y#1 line_ydxi::y#0 line_ydxi::y#2 line_xdyi::y#3 line_xdyi::y#5 line_xdyi::y#0 line_xdyi::y#1 line_xdyi::y#6 line_xdyi::y#2 ] ] with [ zp ZP_BYTE:21 [ line_ydxd::y#2 line_ydxd::y#7 line_ydxd::y#1 line_ydxd::y#0 line_ydxd::y#3 ] ]
-Coalescing zero page register [ zp ZP_BYTE:7 [ line_ydxi::y#3 line_ydxi::y#6 line_ydxi::y#1 line_ydxi::y#0 line_ydxi::y#2 line_xdyi::y#3 line_xdyi::y#5 line_xdyi::y#0 line_xdyi::y#1 line_xdyi::y#6 line_xdyi::y#2 line_ydxd::y#2 line_ydxd::y#7 line_ydxd::y#1 line_ydxd::y#0 line_ydxd::y#3 ] ] with [ zp ZP_BYTE:27 [ line_xdyd::y#3 line_xdyd::y#5 line_xdyd::y#0 line_xdyd::y#1 line_xdyd::y#6 line_xdyd::y#2 ] ]
-Coalescing zero page register [ zp ZP_BYTE:8 [ line_ydxi::e#3 line_ydxi::e#0 line_ydxi::e#6 line_ydxi::e#2 line_ydxi::e#1 ] ] with [ zp ZP_BYTE:16 [ line_xdyi::e#3 line_xdyi::e#0 line_xdyi::e#6 line_xdyi::e#2 line_xdyi::e#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:8 [ line_ydxi::e#3 line_ydxi::e#0 line_ydxi::e#6 line_ydxi::e#2 line_ydxi::e#1 line_xdyi::e#3 line_xdyi::e#0 line_xdyi::e#6 line_xdyi::e#2 line_xdyi::e#1 ] ] with [ zp ZP_BYTE:22 [ line_ydxd::e#3 line_ydxd::e#0 line_ydxd::e#6 line_ydxd::e#2 line_ydxd::e#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:8 [ line_ydxi::e#3 line_ydxi::e#0 line_ydxi::e#6 line_ydxi::e#2 line_ydxi::e#1 line_xdyi::e#3 line_xdyi::e#0 line_xdyi::e#6 line_xdyi::e#2 line_xdyi::e#1 line_ydxd::e#3 line_ydxd::e#0 line_ydxd::e#6 line_ydxd::e#2 line_ydxd::e#1 ] ] with [ zp ZP_BYTE:28 [ line_xdyd::e#3 line_xdyd::e#0 line_xdyd::e#6 line_xdyd::e#2 line_xdyd::e#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:8 [ line_ydxi::e#3 line_ydxi::e#0 line_ydxi::e#6 line_ydxi::e#2 line_ydxi::e#1 line_xdyi::e#3 line_xdyi::e#0 line_xdyi::e#6 line_xdyi::e#2 line_xdyi::e#1 line_ydxd::e#3 line_ydxd::e#0 line_ydxd::e#6 line_ydxd::e#2 line_ydxd::e#1 line_xdyd::e#3 line_xdyd::e#0 line_xdyd::e#6 line_xdyd::e#2 line_xdyd::e#1 ] ] with [ zp ZP_BYTE:42 [ line::xd#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:8 [ line_ydxi::e#3 line_ydxi::e#0 line_ydxi::e#6 line_ydxi::e#2 line_ydxi::e#1 line_xdyi::e#3 line_xdyi::e#0 line_xdyi::e#6 line_xdyi::e#2 line_xdyi::e#1 line_ydxd::e#3 line_ydxd::e#0 line_ydxd::e#6 line_ydxd::e#2 line_ydxd::e#1 line_xdyd::e#3 line_xdyd::e#0 line_xdyd::e#6 line_xdyd::e#2 line_xdyd::e#1 line::xd#1 ] ] with [ zp ZP_BYTE:45 [ line::xd#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:32 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 ] ] with [ zp ZP_WORD:34 [ init_screen::b#2 init_screen::b#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:32 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 init_screen::b#2 init_screen::b#1 ] ] with [ zp ZP_WORD:36 [ init_screen::c#2 init_screen::c#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:32 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 init_screen::b#2 init_screen::b#1 init_screen::c#2 init_screen::c#1 ] ] with [ zp ZP_WORD:49 [ plot::plotter_x#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:32 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 init_screen::b#2 init_screen::b#1 init_screen::c#2 init_screen::c#1 plot::plotter_x#0 ] ] with [ zp ZP_WORD:53 [ plot::$0 ] ]
-Coalescing zero page register [ zp ZP_BYTE:43 [ line::yd#1 ] ] with [ zp ZP_BYTE:44 [ line::yd#0 ] ]
-Coalescing zero page register [ zp ZP_BYTE:43 [ line::yd#1 line::yd#0 ] ] with [ zp ZP_BYTE:46 [ line::yd#3 ] ]
-Coalescing zero page register [ zp ZP_BYTE:43 [ line::yd#1 line::yd#0 line::yd#3 ] ] with [ zp ZP_BYTE:47 [ line::yd#10 ] ]
-Coalescing zero page register [ zp ZP_BYTE:43 [ line::yd#1 line::yd#0 line::yd#3 line::yd#10 ] ] with [ zp ZP_BYTE:56 [ line_xdyi::$6 ] ]
-Coalescing zero page register [ zp ZP_BYTE:43 [ line::yd#1 line::yd#0 line::yd#3 line::yd#10 line_xdyi::$6 ] ] with [ zp ZP_BYTE:58 [ line_xdyd::$6 ] ]
-Allocated (was zp ZP_BYTE:7) zp ZP_BYTE:6 [ line_ydxi::y#3 line_ydxi::y#6 line_ydxi::y#1 line_ydxi::y#0 line_ydxi::y#2 line_xdyi::y#3 line_xdyi::y#5 line_xdyi::y#0 line_xdyi::y#1 line_xdyi::y#6 line_xdyi::y#2 line_ydxd::y#2 line_ydxd::y#7 line_ydxd::y#1 line_ydxd::y#0 line_ydxd::y#3 line_xdyd::y#3 line_xdyd::y#5 line_xdyd::y#0 line_xdyd::y#1 line_xdyd::y#6 line_xdyd::y#2 ]
-Allocated (was zp ZP_BYTE:8) zp ZP_BYTE:7 [ line_ydxi::e#3 line_ydxi::e#0 line_ydxi::e#6 line_ydxi::e#2 line_ydxi::e#1 line_xdyi::e#3 line_xdyi::e#0 line_xdyi::e#6 line_xdyi::e#2 line_xdyi::e#1 line_ydxd::e#3 line_ydxd::e#0 line_ydxd::e#6 line_ydxd::e#2 line_ydxd::e#1 line_xdyd::e#3 line_xdyd::e#0 line_xdyd::e#6 line_xdyd::e#2 line_xdyd::e#1 line::xd#1 line::xd#0 ]
-Allocated (was zp ZP_WORD:32) zp ZP_WORD:8 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 init_screen::b#2 init_screen::b#1 init_screen::c#2 init_screen::c#1 plot::plotter_x#0 plot::$0 ]
-Allocated (was zp ZP_BYTE:43) zp ZP_BYTE:10 [ line::yd#1 line::yd#0 line::yd#3 line::yd#10 line_xdyi::$6 line_xdyd::$6 ]
-Allocated (was zp ZP_WORD:51) zp ZP_WORD:11 [ plot::plotter_y#0 ]
+Coalescing zero page register [ zp ZP_BYTE:3 [ line_ydxi::xd#2 line_ydxi::xd#1 line_ydxi::xd#0 ] ] with [ zp ZP_BYTE:42 [ line::xd#1 ] ]
+Coalescing zero page register [ zp ZP_BYTE:3 [ line_ydxi::xd#2 line_ydxi::xd#1 line_ydxi::xd#0 line::xd#1 ] ] with [ zp ZP_BYTE:12 [ line_xdyi::xd#5 line_xdyi::xd#0 line_xdyi::xd#1 ] ]
+Coalescing zero page register [ zp ZP_BYTE:3 [ line_ydxi::xd#2 line_ydxi::xd#1 line_ydxi::xd#0 line::xd#1 line_xdyi::xd#5 line_xdyi::xd#0 line_xdyi::xd#1 ] ] with [ zp ZP_BYTE:45 [ line::xd#0 ] ]
+Coalescing zero page register [ zp ZP_BYTE:3 [ line_ydxi::xd#2 line_ydxi::xd#1 line_ydxi::xd#0 line::xd#1 line_xdyi::xd#5 line_xdyi::xd#0 line_xdyi::xd#1 line::xd#0 ] ] with [ zp ZP_BYTE:17 [ line_ydxd::xd#2 line_ydxd::xd#1 line_ydxd::xd#0 ] ]
+Coalescing zero page register [ zp ZP_BYTE:3 [ line_ydxi::xd#2 line_ydxi::xd#1 line_ydxi::xd#0 line::xd#1 line_xdyi::xd#5 line_xdyi::xd#0 line_xdyi::xd#1 line::xd#0 line_ydxd::xd#2 line_ydxd::xd#1 line_ydxd::xd#0 ] ] with [ zp ZP_BYTE:24 [ line_xdyd::xd#5 line_xdyd::xd#0 line_xdyd::xd#1 ] ]
+Coalescing zero page register [ zp ZP_BYTE:4 [ line_ydxi::yd#5 line_ydxi::yd#1 line_ydxi::yd#0 ] ] with [ zp ZP_BYTE:43 [ line::yd#1 ] ]
+Coalescing zero page register [ zp ZP_BYTE:4 [ line_ydxi::yd#5 line_ydxi::yd#1 line_ydxi::yd#0 line::yd#1 ] ] with [ zp ZP_BYTE:11 [ line_xdyi::yd#2 line_xdyi::yd#0 line_xdyi::yd#1 ] ]
+Coalescing zero page register [ zp ZP_BYTE:4 [ line_ydxi::yd#5 line_ydxi::yd#1 line_ydxi::yd#0 line::yd#1 line_xdyi::yd#2 line_xdyi::yd#0 line_xdyi::yd#1 ] ] with [ zp ZP_BYTE:47 [ line::yd#10 ] ]
+Coalescing zero page register [ zp ZP_BYTE:5 [ line_ydxi::y1#6 line_ydxi::y1#1 line_ydxi::y1#0 ] ] with [ zp ZP_BYTE:40 [ line::y0#0 ] ]
+Coalescing zero page register [ zp ZP_BYTE:5 [ line_ydxi::y1#6 line_ydxi::y1#1 line_ydxi::y1#0 line::y0#0 ] ] with [ zp ZP_BYTE:15 [ line_xdyi::y#3 line_xdyi::y#5 line_xdyi::y#0 line_xdyi::y#1 line_xdyi::y#6 line_xdyi::y#2 ] ]
+Coalescing zero page register [ zp ZP_BYTE:5 [ line_ydxi::y1#6 line_ydxi::y1#1 line_ydxi::y1#0 line::y0#0 line_xdyi::y#3 line_xdyi::y#5 line_xdyi::y#0 line_xdyi::y#1 line_xdyi::y#6 line_xdyi::y#2 ] ] with [ zp ZP_BYTE:19 [ line_ydxd::y1#6 line_ydxd::y1#1 line_ydxd::y1#0 ] ]
+Coalescing zero page register [ zp ZP_BYTE:5 [ line_ydxi::y1#6 line_ydxi::y1#1 line_ydxi::y1#0 line::y0#0 line_xdyi::y#3 line_xdyi::y#5 line_xdyi::y#0 line_xdyi::y#1 line_xdyi::y#6 line_xdyi::y#2 line_ydxd::y1#6 line_ydxd::y1#1 line_ydxd::y1#0 ] ] with [ zp ZP_BYTE:27 [ line_xdyd::y#3 line_xdyd::y#5 line_xdyd::y#0 line_xdyd::y#1 line_xdyd::y#6 line_xdyd::y#2 ] ]
+Coalescing zero page register [ zp ZP_BYTE:13 [ line_xdyi::x1#6 line_xdyi::x1#0 line_xdyi::x1#1 ] ] with [ zp ZP_BYTE:38 [ line::x0#0 ] ]
+Coalescing zero page register [ zp ZP_BYTE:13 [ line_xdyi::x1#6 line_xdyi::x1#0 line_xdyi::x1#1 line::x0#0 ] ] with [ zp ZP_BYTE:25 [ line_xdyd::x1#6 line_xdyd::x1#0 line_xdyd::x1#1 ] ]
+Coalescing zero page register [ zp ZP_BYTE:18 [ line_ydxd::yd#5 line_ydxd::yd#1 line_ydxd::yd#0 ] ] with [ zp ZP_BYTE:44 [ line::yd#0 ] ]
+Coalescing zero page register [ zp ZP_BYTE:18 [ line_ydxd::yd#5 line_ydxd::yd#1 line_ydxd::yd#0 line::yd#0 ] ] with [ zp ZP_BYTE:23 [ line_xdyd::yd#2 line_xdyd::yd#0 line_xdyd::yd#1 ] ]
+Coalescing zero page register [ zp ZP_BYTE:18 [ line_ydxd::yd#5 line_ydxd::yd#1 line_ydxd::yd#0 line::yd#0 line_xdyd::yd#2 line_xdyd::yd#0 line_xdyd::yd#1 ] ] with [ zp ZP_BYTE:46 [ line::yd#3 ] ]
+Coalescing zero page register [ zp ZP_WORD:49 [ plot::plotter_x#0 ] ] with [ zp ZP_WORD:53 [ plot::$0 ] ]
+Allocated (was zp ZP_BYTE:7) zp ZP_BYTE:6 [ line_ydxi::y#3 line_ydxi::y#6 line_ydxi::y#1 line_ydxi::y#0 line_ydxi::y#2 ]
+Allocated (was zp ZP_BYTE:8) zp ZP_BYTE:7 [ line_ydxi::e#3 line_ydxi::e#0 line_ydxi::e#6 line_ydxi::e#2 line_ydxi::e#1 ]
+Allocated (was zp ZP_BYTE:13) zp ZP_BYTE:8 [ line_xdyi::x1#6 line_xdyi::x1#0 line_xdyi::x1#1 line::x0#0 line_xdyd::x1#6 line_xdyd::x1#0 line_xdyd::x1#1 ]
+Allocated (was zp ZP_BYTE:16) zp ZP_BYTE:9 [ line_xdyi::e#3 line_xdyi::e#0 line_xdyi::e#6 line_xdyi::e#2 line_xdyi::e#1 ]
+Allocated (was zp ZP_BYTE:18) zp ZP_BYTE:10 [ line_ydxd::yd#5 line_ydxd::yd#1 line_ydxd::yd#0 line::yd#0 line_xdyd::yd#2 line_xdyd::yd#0 line_xdyd::yd#1 line::yd#3 ]
+Allocated (was zp ZP_BYTE:21) zp ZP_BYTE:11 [ line_ydxd::y#2 line_ydxd::y#7 line_ydxd::y#1 line_ydxd::y#0 line_ydxd::y#3 ]
+Allocated (was zp ZP_BYTE:22) zp ZP_BYTE:12 [ line_ydxd::e#3 line_ydxd::e#0 line_ydxd::e#6 line_ydxd::e#2 line_ydxd::e#1 ]
+Allocated (was zp ZP_BYTE:28) zp ZP_BYTE:13 [ line_xdyd::e#3 line_xdyd::e#0 line_xdyd::e#6 line_xdyd::e#2 line_xdyd::e#1 ]
+Allocated (was zp ZP_WORD:32) zp ZP_WORD:14 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 ]
+Allocated (was zp ZP_WORD:34) zp ZP_WORD:16 [ init_screen::b#2 init_screen::b#1 ]
+Allocated (was zp ZP_WORD:36) zp ZP_WORD:18 [ init_screen::c#2 init_screen::c#1 ]
+Allocated (was zp ZP_BYTE:39) zp ZP_BYTE:20 [ line::x1#0 ]
+Allocated (was zp ZP_WORD:49) zp ZP_WORD:21 [ plot::plotter_x#0 plot::$0 ]
+Allocated (was zp ZP_WORD:51) zp ZP_WORD:23 [ plot::plotter_y#0 ]
+Allocated (was zp ZP_BYTE:56) zp ZP_BYTE:25 [ line_xdyi::$6 ]
+Allocated (was zp ZP_BYTE:58) zp ZP_BYTE:26 [ line_xdyd::$6 ]
+Allocated (was zp ZP_BYTE:60) zp ZP_BYTE:27 [ init_plot_tables::$6 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -5724,11 +5724,13 @@ lines: {
 }
 //SEG43 line
 line: {
-    .label x0 = 3
-    .label x1 = 4
+    .label x0 = 8
+    .label x1 = $14
     .label y0 = 5
-    .label xd = 7
+    .label xd = 3
     .label yd = $a
+    .label yd_1 = 4
+    .label yd_10 = 4
   //SEG44 [25] if((byte) line::x0#0>=(byte) line::x1#0) goto line::@1 [ line::x0#0 line::x1#0 line::y0#0 line::y1#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x0#0 line::x1#0 line::y0#0 line::y1#0 ] ) -- vbuz1_ge_vbuz2_then_la1 
     lda x0
     cmp x1
@@ -5753,9 +5755,9 @@ line: {
     tya
     sec
     sbc y0
-    sta yd
+    sta yd_1
   //SEG50 [29] if((byte) line::yd#1>=(byte) line::xd#1) goto line::@3 [ line::x0#0 line::x1#0 line::y0#0 line::y1#0 line::xd#1 line::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x0#0 line::x1#0 line::y0#0 line::y1#0 line::xd#1 line::yd#1 ] ) -- vbuz1_ge_vbuz2_then_la1 
-    lda yd
+    lda yd_1
     cmp xd
     bcs b3
     jmp b17
@@ -5763,18 +5765,15 @@ line: {
   b17:
   //SEG52 [30] (byte) line_xdyi::x#0 ← (byte) line::x0#0 [ line::x1#0 line::y0#0 line::xd#1 line::yd#1 line_xdyi::x#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x1#0 line::y0#0 line::xd#1 line::yd#1 line_xdyi::x#0 ] ) -- vbuxx=vbuz1 
     ldx x0
-  //SEG53 [31] (byte) line_xdyi::y#0 ← (byte) line::y0#0 [ line::x1#0 line::xd#1 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x1#0 line::xd#1 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 ] ) -- vbuz1=vbuz2 
-    lda y0
-    sta line_xdyi.y
+  //SEG53 [31] (byte) line_xdyi::y#0 ← (byte) line::y0#0 [ line::x1#0 line::xd#1 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x1#0 line::xd#1 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 ] )
+    // (byte) line_xdyi::y#0 = (byte) line::y0#0  // register copy zp ZP_BYTE:5
   //SEG54 [32] (byte) line_xdyi::x1#0 ← (byte) line::x1#0 [ line::xd#1 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 ] ) -- vbuz1=vbuz2 
     lda x1
     sta line_xdyi.x1
-  //SEG55 [33] (byte) line_xdyi::xd#0 ← (byte) line::xd#1 [ line::yd#1 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_xdyi.xd
-  //SEG56 [34] (byte) line_xdyi::yd#0 ← (byte) line::yd#1 [ line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 line_xdyi::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 line_xdyi::yd#0 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_xdyi.yd
+  //SEG55 [33] (byte) line_xdyi::xd#0 ← (byte) line::xd#1 [ line::yd#1 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 ] )
+    // (byte) line_xdyi::xd#0 = (byte) line::xd#1  // register copy zp ZP_BYTE:3
+  //SEG56 [34] (byte) line_xdyi::yd#0 ← (byte) line::yd#1 [ line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 line_xdyi::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 line_xdyi::yd#0 ] )
+    // (byte) line_xdyi::yd#0 = (byte) line::yd#1  // register copy zp ZP_BYTE:4
   //SEG57 [35] call line_xdyi param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG58 [109] phi from line::@17 to line_xdyi [phi:line::@17->line_xdyi]
   line_xdyi_from_b17:
@@ -5798,12 +5797,10 @@ line: {
     ldx x0
   //SEG69 [39] (byte) line_ydxi::y1#0 ← (byte) line::y1#0 [ line::xd#1 line::yd#1 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line::yd#1 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 ] ) -- vbuz1=vbuyy 
     sty line_ydxi.y1
-  //SEG70 [40] (byte) line_ydxi::yd#0 ← (byte) line::yd#1 [ line::xd#1 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_ydxi.yd
-  //SEG71 [41] (byte) line_ydxi::xd#0 ← (byte) line::xd#1 [ line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 line_ydxi::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 line_ydxi::xd#0 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_ydxi.xd
+  //SEG70 [40] (byte) line_ydxi::yd#0 ← (byte) line::yd#1 [ line::xd#1 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 ] )
+    // (byte) line_ydxi::yd#0 = (byte) line::yd#1  // register copy zp ZP_BYTE:4
+  //SEG71 [41] (byte) line_ydxi::xd#0 ← (byte) line::xd#1 [ line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 line_ydxi::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 line_ydxi::xd#0 ] )
+    // (byte) line_ydxi::xd#0 = (byte) line::xd#1  // register copy zp ZP_BYTE:3
   //SEG72 [42] call line_ydxi param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG73 [87] phi from line::@3 to line_ydxi [phi:line::@3->line_ydxi]
   line_ydxi_from_b3:
@@ -5831,18 +5828,15 @@ line: {
   b20:
   //SEG83 [45] (byte) line_xdyd::x#0 ← (byte) line::x0#0 [ line::x1#0 line::y0#0 line::xd#1 line::yd#0 line_xdyd::x#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x1#0 line::y0#0 line::xd#1 line::yd#0 line_xdyd::x#0 ] ) -- vbuxx=vbuz1 
     ldx x0
-  //SEG84 [46] (byte) line_xdyd::y#0 ← (byte) line::y0#0 [ line::x1#0 line::xd#1 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x1#0 line::xd#1 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 ] ) -- vbuz1=vbuz2 
-    lda y0
-    sta line_xdyd.y
+  //SEG84 [46] (byte) line_xdyd::y#0 ← (byte) line::y0#0 [ line::x1#0 line::xd#1 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x1#0 line::xd#1 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 ] )
+    // (byte) line_xdyd::y#0 = (byte) line::y0#0  // register copy zp ZP_BYTE:5
   //SEG85 [47] (byte) line_xdyd::x1#0 ← (byte) line::x1#0 [ line::xd#1 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 ] ) -- vbuz1=vbuz2 
     lda x1
     sta line_xdyd.x1
-  //SEG86 [48] (byte) line_xdyd::xd#0 ← (byte) line::xd#1 [ line::yd#0 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_xdyd.xd
-  //SEG87 [49] (byte) line_xdyd::yd#0 ← (byte) line::yd#0 [ line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 line_xdyd::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 line_xdyd::yd#0 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_xdyd.yd
+  //SEG86 [48] (byte) line_xdyd::xd#0 ← (byte) line::xd#1 [ line::yd#0 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 ] )
+    // (byte) line_xdyd::xd#0 = (byte) line::xd#1  // register copy zp ZP_BYTE:3
+  //SEG87 [49] (byte) line_xdyd::yd#0 ← (byte) line::yd#0 [ line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 line_xdyd::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 line_xdyd::yd#0 ] )
+    // (byte) line_xdyd::yd#0 = (byte) line::yd#0  // register copy zp ZP_BYTE:10
   //SEG88 [50] call line_xdyd param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG89 [139] phi from line::@20 to line_xdyd [phi:line::@20->line_xdyd]
   line_xdyd_from_b20:
@@ -5861,12 +5855,10 @@ line: {
     ldx x1
   //SEG98 [53] (byte) line_ydxd::y1#0 ← (byte) line::y0#0 [ line::xd#1 line::yd#0 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line::yd#0 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 ] )
     // (byte) line_ydxd::y1#0 = (byte) line::y0#0  // register copy zp ZP_BYTE:5
-  //SEG99 [54] (byte) line_ydxd::yd#0 ← (byte) line::yd#0 [ line::xd#1 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_ydxd.yd
-  //SEG100 [55] (byte) line_ydxd::xd#0 ← (byte) line::xd#1 [ line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 line_ydxd::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 line_ydxd::xd#0 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_ydxd.xd
+  //SEG99 [54] (byte) line_ydxd::yd#0 ← (byte) line::yd#0 [ line::xd#1 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 ] )
+    // (byte) line_ydxd::yd#0 = (byte) line::yd#0  // register copy zp ZP_BYTE:10
+  //SEG100 [55] (byte) line_ydxd::xd#0 ← (byte) line::xd#1 [ line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 line_ydxd::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 line_ydxd::xd#0 ] )
+    // (byte) line_ydxd::xd#0 = (byte) line::xd#1  // register copy zp ZP_BYTE:3
   //SEG101 [56] call line_ydxd param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG102 [124] phi from line::@6 to line_ydxd [phi:line::@6->line_ydxd]
   line_ydxd_from_b6:
@@ -5908,15 +5900,12 @@ line: {
     ldx x1
   //SEG116 [62] (byte) line_xdyd::y#1 ← (byte) line::y1#0 [ line::x0#0 line::xd#0 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x0#0 line::xd#0 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 ] ) -- vbuz1=vbuyy 
     sty line_xdyd.y
-  //SEG117 [63] (byte) line_xdyd::x1#1 ← (byte) line::x0#0 [ line::xd#0 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 ] ) -- vbuz1=vbuz2 
-    lda x0
-    sta line_xdyd.x1
-  //SEG118 [64] (byte) line_xdyd::xd#1 ← (byte) line::xd#0 [ line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_xdyd.xd
-  //SEG119 [65] (byte) line_xdyd::yd#1 ← (byte) line::yd#3 [ line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 line_xdyd::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 line_xdyd::yd#1 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_xdyd.yd
+  //SEG117 [63] (byte) line_xdyd::x1#1 ← (byte) line::x0#0 [ line::xd#0 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 ] )
+    // (byte) line_xdyd::x1#1 = (byte) line::x0#0  // register copy zp ZP_BYTE:8
+  //SEG118 [64] (byte) line_xdyd::xd#1 ← (byte) line::xd#0 [ line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 ] )
+    // (byte) line_xdyd::xd#1 = (byte) line::xd#0  // register copy zp ZP_BYTE:3
+  //SEG119 [65] (byte) line_xdyd::yd#1 ← (byte) line::yd#3 [ line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 line_xdyd::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 line_xdyd::yd#1 ] )
+    // (byte) line_xdyd::yd#1 = (byte) line::yd#3  // register copy zp ZP_BYTE:10
   //SEG120 [66] call line_xdyd param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG121 [139] phi from line::@24 to line_xdyd [phi:line::@24->line_xdyd]
   line_xdyd_from_b24:
@@ -5936,12 +5925,10 @@ line: {
     ldx x0
   //SEG130 [69] (byte) line_ydxd::y1#1 ← (byte) line::y1#0 [ line::xd#0 line::yd#3 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line::yd#3 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 ] ) -- vbuz1=vbuyy 
     sty line_ydxd.y1
-  //SEG131 [70] (byte) line_ydxd::yd#1 ← (byte) line::yd#3 [ line::xd#0 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_ydxd.yd
-  //SEG132 [71] (byte) line_ydxd::xd#1 ← (byte) line::xd#0 [ line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 line_ydxd::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 line_ydxd::xd#1 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_ydxd.xd
+  //SEG131 [70] (byte) line_ydxd::yd#1 ← (byte) line::yd#3 [ line::xd#0 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 ] )
+    // (byte) line_ydxd::yd#1 = (byte) line::yd#3  // register copy zp ZP_BYTE:10
+  //SEG132 [71] (byte) line_ydxd::xd#1 ← (byte) line::xd#0 [ line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 line_ydxd::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 line_ydxd::xd#1 ] )
+    // (byte) line_ydxd::xd#1 = (byte) line::xd#0  // register copy zp ZP_BYTE:3
   //SEG133 [72] call line_ydxd param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG134 [124] phi from line::@10 to line_ydxd [phi:line::@10->line_ydxd]
   line_ydxd_from_b10:
@@ -5959,9 +5946,9 @@ line: {
     eor #$ff
     sec
     adc y0
-    sta yd
+    sta yd_10
   //SEG142 [74] if((byte) line::yd#10>=(byte) line::xd#0) goto line::@13 [ line::x0#0 line::x1#0 line::y0#0 line::y1#0 line::xd#0 line::yd#10 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x0#0 line::x1#0 line::y0#0 line::y1#0 line::xd#0 line::yd#10 ] ) -- vbuz1_ge_vbuz2_then_la1 
-    lda yd
+    lda yd_10
     cmp xd
     bcs b13
     jmp b27
@@ -5971,15 +5958,12 @@ line: {
     ldx x1
   //SEG145 [76] (byte) line_xdyi::y#1 ← (byte) line::y1#0 [ line::x0#0 line::xd#0 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x0#0 line::xd#0 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 ] ) -- vbuz1=vbuyy 
     sty line_xdyi.y
-  //SEG146 [77] (byte) line_xdyi::x1#1 ← (byte) line::x0#0 [ line::xd#0 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 ] ) -- vbuz1=vbuz2 
-    lda x0
-    sta line_xdyi.x1
-  //SEG147 [78] (byte) line_xdyi::xd#1 ← (byte) line::xd#0 [ line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_xdyi.xd
-  //SEG148 [79] (byte) line_xdyi::yd#1 ← (byte) line::yd#10 [ line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 line_xdyi::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 line_xdyi::yd#1 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_xdyi.yd
+  //SEG146 [77] (byte) line_xdyi::x1#1 ← (byte) line::x0#0 [ line::xd#0 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 ] )
+    // (byte) line_xdyi::x1#1 = (byte) line::x0#0  // register copy zp ZP_BYTE:8
+  //SEG147 [78] (byte) line_xdyi::xd#1 ← (byte) line::xd#0 [ line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 ] )
+    // (byte) line_xdyi::xd#1 = (byte) line::xd#0  // register copy zp ZP_BYTE:3
+  //SEG148 [79] (byte) line_xdyi::yd#1 ← (byte) line::yd#10 [ line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 line_xdyi::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 line_xdyi::yd#1 ] )
+    // (byte) line_xdyi::yd#1 = (byte) line::yd#10  // register copy zp ZP_BYTE:4
   //SEG149 [80] call line_xdyi param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG150 [109] phi from line::@27 to line_xdyi [phi:line::@27->line_xdyi]
   line_xdyi_from_b27:
@@ -5998,12 +5982,10 @@ line: {
     ldx x1
   //SEG159 [83] (byte) line_ydxi::y1#1 ← (byte) line::y0#0 [ line::xd#0 line::yd#10 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line::yd#10 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 ] )
     // (byte) line_ydxi::y1#1 = (byte) line::y0#0  // register copy zp ZP_BYTE:5
-  //SEG160 [84] (byte) line_ydxi::yd#1 ← (byte) line::yd#10 [ line::xd#0 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_ydxi.yd
-  //SEG161 [85] (byte) line_ydxi::xd#1 ← (byte) line::xd#0 [ line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 line_ydxi::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 line_ydxi::xd#1 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_ydxi.xd
+  //SEG160 [84] (byte) line_ydxi::yd#1 ← (byte) line::yd#10 [ line::xd#0 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 ] )
+    // (byte) line_ydxi::yd#1 = (byte) line::yd#10  // register copy zp ZP_BYTE:4
+  //SEG161 [85] (byte) line_ydxi::xd#1 ← (byte) line::xd#0 [ line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 line_ydxi::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 line_ydxi::xd#1 ] )
+    // (byte) line_ydxi::xd#1 = (byte) line::xd#0  // register copy zp ZP_BYTE:3
   //SEG162 [86] call line_ydxi param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG163 [87] phi from line::@13 to line_ydxi [phi:line::@13->line_ydxi]
   line_ydxi_from_b13:
@@ -6091,9 +6073,9 @@ line_ydxi: {
 }
 //SEG197 plot
 plot: {
-    .label _0 = 8
-    .label plotter_x = 8
-    .label plotter_y = $b
+    .label _0 = $15
+    .label plotter_x = $15
+    .label plotter_y = $17
   //SEG198 [103] (word) plot::plotter_x#0 ← *((const byte[256]) plot_xhi#0 + (byte) plot::x#4) w= *((const byte[256]) plot_xlo#0 + (byte) plot::x#4) [ plot::x#4 plot::y#4 plot::plotter_x#0 ] ( main:2::lines:12::line:21::line_ydxi:42::plot:92 [ lines::l#2 line_ydxi::xd#2 line_ydxi::yd#5 line_ydxi::y1#6 line_ydxi::x#3 line_ydxi::y#3 line_ydxi::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] main:2::lines:12::line:21::line_ydxi:86::plot:92 [ lines::l#2 line_ydxi::xd#2 line_ydxi::yd#5 line_ydxi::y1#6 line_ydxi::x#3 line_ydxi::y#3 line_ydxi::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] main:2::lines:12::line:21::line_xdyi:35::plot:114 [ lines::l#2 line_xdyi::yd#2 line_xdyi::xd#5 line_xdyi::x1#6 line_xdyi::x#3 line_xdyi::y#3 line_xdyi::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] main:2::lines:12::line:21::line_xdyi:80::plot:114 [ lines::l#2 line_xdyi::yd#2 line_xdyi::xd#5 line_xdyi::x1#6 line_xdyi::x#3 line_xdyi::y#3 line_xdyi::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] main:2::lines:12::line:21::line_ydxd:56::plot:129 [ lines::l#2 line_ydxd::xd#2 line_ydxd::yd#5 line_ydxd::y1#6 line_ydxd::x#3 line_ydxd::y#2 line_ydxd::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] main:2::lines:12::line:21::line_ydxd:72::plot:129 [ lines::l#2 line_ydxd::xd#2 line_ydxd::yd#5 line_ydxd::y1#6 line_ydxd::x#3 line_ydxd::y#2 line_ydxd::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] main:2::lines:12::line:21::line_xdyd:50::plot:144 [ lines::l#2 line_xdyd::yd#2 line_xdyd::xd#5 line_xdyd::x1#6 line_xdyd::x#3 line_xdyd::y#3 line_xdyd::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] main:2::lines:12::line:21::line_xdyd:66::plot:144 [ lines::l#2 line_xdyd::yd#2 line_xdyd::xd#5 line_xdyd::x1#6 line_xdyd::x#3 line_xdyd::y#3 line_xdyd::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] ) -- vwuz1=pbuc1_derefidx_vbuxx_word_pbuc2_derefidx_vbuxx 
     lda plot_xhi,x
     sta plotter_x+1
@@ -6127,12 +6109,12 @@ plot: {
 }
 //SEG205 line_xdyi
 line_xdyi: {
-    .label _6 = $a
-    .label y = 6
-    .label x1 = 5
-    .label xd = 4
-    .label yd = 3
-    .label e = 7
+    .label _6 = $19
+    .label y = 5
+    .label x1 = 8
+    .label xd = 3
+    .label yd = 4
+    .label e = 9
   //SEG206 [110] (byte) line_xdyi::e#0 ← (byte) line_xdyi::yd#2 >> (byte/signed byte/word/signed word/dword/signed dword) 1 [ line_xdyi::yd#2 line_xdyi::x#6 line_xdyi::y#5 line_xdyi::xd#5 line_xdyi::x1#6 line_xdyi::e#0 ] ( main:2::lines:12::line:21::line_xdyi:35 [ lines::l#2 line_xdyi::yd#2 line_xdyi::x#6 line_xdyi::y#5 line_xdyi::xd#5 line_xdyi::x1#6 line_xdyi::e#0 ] main:2::lines:12::line:21::line_xdyi:80 [ lines::l#2 line_xdyi::yd#2 line_xdyi::x#6 line_xdyi::y#5 line_xdyi::xd#5 line_xdyi::x1#6 line_xdyi::e#0 ] ) -- vbuz1=vbuz2_ror_1 
     lda yd
     lsr
@@ -6203,11 +6185,11 @@ line_xdyi: {
 }
 //SEG233 line_ydxd
 line_ydxd: {
-    .label y = 6
+    .label y = $b
     .label y1 = 5
-    .label yd = 4
+    .label yd = $a
     .label xd = 3
-    .label e = 7
+    .label e = $c
   //SEG234 [125] (byte) line_ydxd::e#0 ← (byte) line_ydxd::xd#2 >> (byte/signed byte/word/signed word/dword/signed dword) 1 [ line_ydxd::xd#2 line_ydxd::x#5 line_ydxd::y#7 line_ydxd::yd#5 line_ydxd::y1#6 line_ydxd::e#0 ] ( main:2::lines:12::line:21::line_ydxd:56 [ lines::l#2 line_ydxd::xd#2 line_ydxd::x#5 line_ydxd::y#7 line_ydxd::yd#5 line_ydxd::y1#6 line_ydxd::e#0 ] main:2::lines:12::line:21::line_ydxd:72 [ lines::l#2 line_ydxd::xd#2 line_ydxd::x#5 line_ydxd::y#7 line_ydxd::yd#5 line_ydxd::y1#6 line_ydxd::e#0 ] ) -- vbuz1=vbuz2_ror_1 
     lda xd
     lsr
@@ -6277,12 +6259,12 @@ line_ydxd: {
 }
 //SEG261 line_xdyd
 line_xdyd: {
-    .label _6 = $a
-    .label y = 6
-    .label x1 = 5
-    .label xd = 4
-    .label yd = 3
-    .label e = 7
+    .label _6 = $1a
+    .label y = 5
+    .label x1 = 8
+    .label xd = 3
+    .label yd = $a
+    .label e = $d
   //SEG262 [140] (byte) line_xdyd::e#0 ← (byte) line_xdyd::yd#2 >> (byte/signed byte/word/signed word/dword/signed dword) 1 [ line_xdyd::yd#2 line_xdyd::x#6 line_xdyd::y#5 line_xdyd::xd#5 line_xdyd::x1#6 line_xdyd::e#0 ] ( main:2::lines:12::line:21::line_xdyd:50 [ lines::l#2 line_xdyd::yd#2 line_xdyd::x#6 line_xdyd::y#5 line_xdyd::xd#5 line_xdyd::x1#6 line_xdyd::e#0 ] main:2::lines:12::line:21::line_xdyd:66 [ lines::l#2 line_xdyd::yd#2 line_xdyd::x#6 line_xdyd::y#5 line_xdyd::xd#5 line_xdyd::x1#6 line_xdyd::e#0 ] ) -- vbuz1=vbuz2_ror_1 
     lda yd
     lsr
@@ -6353,8 +6335,8 @@ line_xdyd: {
 }
 //SEG289 init_plot_tables
 init_plot_tables: {
-    .label _6 = 2
-    .label yoffs = 8
+    .label _6 = $1b
+    .label yoffs = $e
   //SEG290 [155] phi from init_plot_tables to init_plot_tables::@1 [phi:init_plot_tables->init_plot_tables::@1]
   b1_from_init_plot_tables:
   //SEG291 [155] phi (byte) init_plot_tables::bits#3 = (byte/word/signed word/dword/signed dword) 128 [phi:init_plot_tables->init_plot_tables::@1#0] -- vbuyy=vbuc1 
@@ -6476,8 +6458,8 @@ init_plot_tables: {
 }
 //SEG336 init_screen
 init_screen: {
-    .label b = 8
-    .label c = 8
+    .label b = $10
+    .label c = $12
   //SEG337 [181] phi from init_screen to init_screen::@1 [phi:init_screen->init_screen::@1]
   b1_from_init_screen:
   //SEG338 [181] phi (byte*) init_screen::b#2 = (const byte*) BITMAP#0 [phi:init_screen->init_screen::@1#0] -- pbuz1=pbuc1 
@@ -6605,10 +6587,10 @@ Succesful ASM optimization Pass5NextJumpElimination
 Removing instruction lda #0
 Removing instruction ldy l
 Removing instruction ldy l
+Removing instruction lda yd_1
 Removing instruction lda yd
 Removing instruction lda yd
-Removing instruction lda yd
-Removing instruction lda yd
+Removing instruction lda yd_10
 Removing instruction ldy #0
 Removing instruction lda #>0
 Replacing instruction ldx #0 with TAX
@@ -6756,7 +6738,7 @@ FINAL SYMBOL TABLE
 (void()) init_plot_tables()
 (byte~) init_plot_tables::$0 reg byte a 22.0
 (byte~) init_plot_tables::$10 reg byte a 22.0
-(byte~) init_plot_tables::$6 $6 zp ZP_BYTE:2 11.0
+(byte~) init_plot_tables::$6 $6 zp ZP_BYTE:27 11.0
 (byte~) init_plot_tables::$7 reg byte a 22.0
 (byte~) init_plot_tables::$8 reg byte a 22.0
 (byte~) init_plot_tables::$9 reg byte a 22.0
@@ -6778,19 +6760,19 @@ FINAL SYMBOL TABLE
 (byte) init_plot_tables::y#1 reg byte x 16.5
 (byte) init_plot_tables::y#2 reg byte x 6.0
 (byte*) init_plot_tables::yoffs
-(byte*) init_plot_tables::yoffs#1 yoffs zp ZP_WORD:8 22.0
-(byte*) init_plot_tables::yoffs#2 yoffs zp ZP_WORD:8 6.111111111111112
-(byte*) init_plot_tables::yoffs#4 yoffs zp ZP_WORD:8 11.0
+(byte*) init_plot_tables::yoffs#1 yoffs zp ZP_WORD:14 22.0
+(byte*) init_plot_tables::yoffs#2 yoffs zp ZP_WORD:14 6.111111111111112
+(byte*) init_plot_tables::yoffs#4 yoffs zp ZP_WORD:14 11.0
 (void()) init_screen()
 (label) init_screen::@1
 (label) init_screen::@2
 (label) init_screen::@return
 (byte*) init_screen::b
-(byte*) init_screen::b#1 b zp ZP_WORD:8 16.5
-(byte*) init_screen::b#2 b zp ZP_WORD:8 16.5
+(byte*) init_screen::b#1 b zp ZP_WORD:16 16.5
+(byte*) init_screen::b#2 b zp ZP_WORD:16 16.5
 (byte*) init_screen::c
-(byte*) init_screen::c#1 c zp ZP_WORD:8 16.5
-(byte*) init_screen::c#2 c zp ZP_WORD:8 16.5
+(byte*) init_screen::c#1 c zp ZP_WORD:18 16.5
+(byte*) init_screen::c#2 c zp ZP_WORD:18 16.5
 (void()) line((byte) line::x0 , (byte) line::x1 , (byte) line::y0 , (byte) line::y1)
 (label) line::@1
 (label) line::@10
@@ -6808,34 +6790,34 @@ FINAL SYMBOL TABLE
 (label) line::@9
 (label) line::@return
 (byte) line::x0
-(byte) line::x0#0 x0 zp ZP_BYTE:3 5.173913043478264
+(byte) line::x0#0 x0 zp ZP_BYTE:8 5.173913043478264
 (byte) line::x1
-(byte) line::x1#0 x1 zp ZP_BYTE:4 5.409090909090908
+(byte) line::x1#0 x1 zp ZP_BYTE:20 5.409090909090908
 (byte) line::xd
-(byte) line::xd#0 xd zp ZP_BYTE:7 0.7
-(byte) line::xd#1 xd zp ZP_BYTE:7 0.7
+(byte) line::xd#0 xd zp ZP_BYTE:3 0.7
+(byte) line::xd#1 xd zp ZP_BYTE:3 0.7
 (byte) line::y0
 (byte) line::y0#0 y0 zp ZP_BYTE:5 5.952380952380948
 (byte) line::y1
 (byte) line::y1#0 reg byte y 6.249999999999996
 (byte) line::yd
 (byte) line::yd#0 yd zp ZP_BYTE:10 0.8888888888888888
-(byte) line::yd#1 yd zp ZP_BYTE:10 0.8888888888888888
-(byte) line::yd#10 yd zp ZP_BYTE:10 0.8888888888888888
+(byte) line::yd#1 yd#1 zp ZP_BYTE:4 0.8888888888888888
+(byte) line::yd#10 yd#10 zp ZP_BYTE:4 0.8888888888888888
 (byte) line::yd#3 yd zp ZP_BYTE:10 0.8888888888888888
 (void()) line_xdyd((byte) line_xdyd::x , (byte) line_xdyd::y , (byte) line_xdyd::x1 , (byte) line_xdyd::xd , (byte) line_xdyd::yd)
-(byte/word~) line_xdyd::$6 $6 zp ZP_BYTE:10 2002.0
+(byte/word~) line_xdyd::$6 $6 zp ZP_BYTE:26 2002.0
 (label) line_xdyd::@1
 (label) line_xdyd::@2
 (label) line_xdyd::@3
 (label) line_xdyd::@5
 (label) line_xdyd::@return
 (byte) line_xdyd::e
-(byte) line_xdyd::e#0 e zp ZP_BYTE:7 4.0
-(byte) line_xdyd::e#1 e zp ZP_BYTE:7 1334.6666666666667
-(byte) line_xdyd::e#2 e zp ZP_BYTE:7 2002.0
-(byte) line_xdyd::e#3 e zp ZP_BYTE:7 400.79999999999995
-(byte) line_xdyd::e#6 e zp ZP_BYTE:7 1001.0
+(byte) line_xdyd::e#0 e zp ZP_BYTE:13 4.0
+(byte) line_xdyd::e#1 e zp ZP_BYTE:13 1334.6666666666667
+(byte) line_xdyd::e#2 e zp ZP_BYTE:13 2002.0
+(byte) line_xdyd::e#3 e zp ZP_BYTE:13 400.79999999999995
+(byte) line_xdyd::e#6 e zp ZP_BYTE:13 1001.0
 (byte) line_xdyd::x
 (byte) line_xdyd::x#0 reg byte x 0.8
 (byte) line_xdyd::x#1 reg byte x 0.8
@@ -6843,37 +6825,37 @@ FINAL SYMBOL TABLE
 (byte) line_xdyd::x#3 reg byte x 751.25
 (byte) line_xdyd::x#6 reg byte x 3.0
 (byte) line_xdyd::x1
-(byte) line_xdyd::x1#0 x1 zp ZP_BYTE:5 1.3333333333333333
-(byte) line_xdyd::x1#1 x1 zp ZP_BYTE:5 1.3333333333333333
-(byte) line_xdyd::x1#6 x1 zp ZP_BYTE:5 71.78571428571429
+(byte) line_xdyd::x1#0 x1 zp ZP_BYTE:8 1.3333333333333333
+(byte) line_xdyd::x1#1 x1 zp ZP_BYTE:8 1.3333333333333333
+(byte) line_xdyd::x1#6 x1 zp ZP_BYTE:8 71.78571428571429
 (byte) line_xdyd::xd
-(byte) line_xdyd::xd#0 xd zp ZP_BYTE:4 2.0
-(byte) line_xdyd::xd#1 xd zp ZP_BYTE:4 2.0
-(byte) line_xdyd::xd#5 xd zp ZP_BYTE:4 143.28571428571428
+(byte) line_xdyd::xd#0 xd zp ZP_BYTE:3 2.0
+(byte) line_xdyd::xd#1 xd zp ZP_BYTE:3 2.0
+(byte) line_xdyd::xd#5 xd zp ZP_BYTE:3 143.28571428571428
 (byte) line_xdyd::y
-(byte) line_xdyd::y#0 y zp ZP_BYTE:6 1.0
-(byte) line_xdyd::y#1 y zp ZP_BYTE:6 1.0
-(byte) line_xdyd::y#2 y zp ZP_BYTE:6 1001.0
-(byte) line_xdyd::y#3 y zp ZP_BYTE:6 572.2857142857142
-(byte) line_xdyd::y#5 y zp ZP_BYTE:6 3.0
-(byte) line_xdyd::y#6 y zp ZP_BYTE:6 1001.0
+(byte) line_xdyd::y#0 y zp ZP_BYTE:5 1.0
+(byte) line_xdyd::y#1 y zp ZP_BYTE:5 1.0
+(byte) line_xdyd::y#2 y zp ZP_BYTE:5 1001.0
+(byte) line_xdyd::y#3 y zp ZP_BYTE:5 572.2857142857142
+(byte) line_xdyd::y#5 y zp ZP_BYTE:5 3.0
+(byte) line_xdyd::y#6 y zp ZP_BYTE:5 1001.0
 (byte) line_xdyd::yd
-(byte) line_xdyd::yd#0 yd zp ZP_BYTE:3 4.0
-(byte) line_xdyd::yd#1 yd zp ZP_BYTE:3 4.0
-(byte) line_xdyd::yd#2 yd zp ZP_BYTE:3 71.92857142857143
+(byte) line_xdyd::yd#0 yd zp ZP_BYTE:10 4.0
+(byte) line_xdyd::yd#1 yd zp ZP_BYTE:10 4.0
+(byte) line_xdyd::yd#2 yd zp ZP_BYTE:10 71.92857142857143
 (void()) line_xdyi((byte) line_xdyi::x , (byte) line_xdyi::y , (byte) line_xdyi::x1 , (byte) line_xdyi::xd , (byte) line_xdyi::yd)
-(byte/word~) line_xdyi::$6 $6 zp ZP_BYTE:10 2002.0
+(byte/word~) line_xdyi::$6 $6 zp ZP_BYTE:25 2002.0
 (label) line_xdyi::@1
 (label) line_xdyi::@2
 (label) line_xdyi::@3
 (label) line_xdyi::@5
 (label) line_xdyi::@return
 (byte) line_xdyi::e
-(byte) line_xdyi::e#0 e zp ZP_BYTE:7 4.0
-(byte) line_xdyi::e#1 e zp ZP_BYTE:7 1334.6666666666667
-(byte) line_xdyi::e#2 e zp ZP_BYTE:7 2002.0
-(byte) line_xdyi::e#3 e zp ZP_BYTE:7 400.79999999999995
-(byte) line_xdyi::e#6 e zp ZP_BYTE:7 1001.0
+(byte) line_xdyi::e#0 e zp ZP_BYTE:9 4.0
+(byte) line_xdyi::e#1 e zp ZP_BYTE:9 1334.6666666666667
+(byte) line_xdyi::e#2 e zp ZP_BYTE:9 2002.0
+(byte) line_xdyi::e#3 e zp ZP_BYTE:9 400.79999999999995
+(byte) line_xdyi::e#6 e zp ZP_BYTE:9 1001.0
 (byte) line_xdyi::x
 (byte) line_xdyi::x#0 reg byte x 0.8
 (byte) line_xdyi::x#1 reg byte x 0.8
@@ -6881,24 +6863,24 @@ FINAL SYMBOL TABLE
 (byte) line_xdyi::x#3 reg byte x 751.25
 (byte) line_xdyi::x#6 reg byte x 3.0
 (byte) line_xdyi::x1
-(byte) line_xdyi::x1#0 x1 zp ZP_BYTE:5 1.3333333333333333
-(byte) line_xdyi::x1#1 x1 zp ZP_BYTE:5 1.3333333333333333
-(byte) line_xdyi::x1#6 x1 zp ZP_BYTE:5 71.78571428571429
+(byte) line_xdyi::x1#0 x1 zp ZP_BYTE:8 1.3333333333333333
+(byte) line_xdyi::x1#1 x1 zp ZP_BYTE:8 1.3333333333333333
+(byte) line_xdyi::x1#6 x1 zp ZP_BYTE:8 71.78571428571429
 (byte) line_xdyi::xd
-(byte) line_xdyi::xd#0 xd zp ZP_BYTE:4 2.0
-(byte) line_xdyi::xd#1 xd zp ZP_BYTE:4 2.0
-(byte) line_xdyi::xd#5 xd zp ZP_BYTE:4 143.28571428571428
+(byte) line_xdyi::xd#0 xd zp ZP_BYTE:3 2.0
+(byte) line_xdyi::xd#1 xd zp ZP_BYTE:3 2.0
+(byte) line_xdyi::xd#5 xd zp ZP_BYTE:3 143.28571428571428
 (byte) line_xdyi::y
-(byte) line_xdyi::y#0 y zp ZP_BYTE:6 1.0
-(byte) line_xdyi::y#1 y zp ZP_BYTE:6 1.0
-(byte) line_xdyi::y#2 y zp ZP_BYTE:6 1001.0
-(byte) line_xdyi::y#3 y zp ZP_BYTE:6 572.2857142857142
-(byte) line_xdyi::y#5 y zp ZP_BYTE:6 3.0
-(byte) line_xdyi::y#6 y zp ZP_BYTE:6 1001.0
+(byte) line_xdyi::y#0 y zp ZP_BYTE:5 1.0
+(byte) line_xdyi::y#1 y zp ZP_BYTE:5 1.0
+(byte) line_xdyi::y#2 y zp ZP_BYTE:5 1001.0
+(byte) line_xdyi::y#3 y zp ZP_BYTE:5 572.2857142857142
+(byte) line_xdyi::y#5 y zp ZP_BYTE:5 3.0
+(byte) line_xdyi::y#6 y zp ZP_BYTE:5 1001.0
 (byte) line_xdyi::yd
-(byte) line_xdyi::yd#0 yd zp ZP_BYTE:3 4.0
-(byte) line_xdyi::yd#1 yd zp ZP_BYTE:3 4.0
-(byte) line_xdyi::yd#2 yd zp ZP_BYTE:3 71.92857142857143
+(byte) line_xdyi::yd#0 yd zp ZP_BYTE:4 4.0
+(byte) line_xdyi::yd#1 yd zp ZP_BYTE:4 4.0
+(byte) line_xdyi::yd#2 yd zp ZP_BYTE:4 71.92857142857143
 (void()) line_ydxd((byte) line_ydxd::y , (byte) line_ydxd::x , (byte) line_ydxd::y1 , (byte) line_ydxd::yd , (byte) line_ydxd::xd)
 (byte/word~) line_ydxd::$6 reg byte y 2002.0
 (label) line_ydxd::@1
@@ -6907,11 +6889,11 @@ FINAL SYMBOL TABLE
 (label) line_ydxd::@5
 (label) line_ydxd::@return
 (byte) line_ydxd::e
-(byte) line_ydxd::e#0 e zp ZP_BYTE:7 4.0
-(byte) line_ydxd::e#1 e zp ZP_BYTE:7 1334.6666666666667
-(byte) line_ydxd::e#2 e zp ZP_BYTE:7 2002.0
-(byte) line_ydxd::e#3 e zp ZP_BYTE:7 400.79999999999995
-(byte) line_ydxd::e#6 e zp ZP_BYTE:7 1001.0
+(byte) line_ydxd::e#0 e zp ZP_BYTE:12 4.0
+(byte) line_ydxd::e#1 e zp ZP_BYTE:12 1334.6666666666667
+(byte) line_ydxd::e#2 e zp ZP_BYTE:12 2002.0
+(byte) line_ydxd::e#3 e zp ZP_BYTE:12 400.79999999999995
+(byte) line_ydxd::e#6 e zp ZP_BYTE:12 1001.0
 (byte) line_ydxd::x
 (byte) line_ydxd::x#0 reg byte x 1.0
 (byte) line_ydxd::x#1 reg byte x 1.0
@@ -6924,19 +6906,19 @@ FINAL SYMBOL TABLE
 (byte) line_ydxd::xd#1 xd zp ZP_BYTE:3 4.0
 (byte) line_ydxd::xd#2 xd zp ZP_BYTE:3 71.92857142857143
 (byte) line_ydxd::y
-(byte) line_ydxd::y#0 y zp ZP_BYTE:6 0.8
-(byte) line_ydxd::y#1 y zp ZP_BYTE:6 0.8
-(byte) line_ydxd::y#2 y zp ZP_BYTE:6 751.25
-(byte) line_ydxd::y#3 y zp ZP_BYTE:6 375.375
-(byte) line_ydxd::y#7 y zp ZP_BYTE:6 3.0
+(byte) line_ydxd::y#0 y zp ZP_BYTE:11 0.8
+(byte) line_ydxd::y#1 y zp ZP_BYTE:11 0.8
+(byte) line_ydxd::y#2 y zp ZP_BYTE:11 751.25
+(byte) line_ydxd::y#3 y zp ZP_BYTE:11 375.375
+(byte) line_ydxd::y#7 y zp ZP_BYTE:11 3.0
 (byte) line_ydxd::y1
 (byte) line_ydxd::y1#0 y1 zp ZP_BYTE:5 1.3333333333333333
 (byte) line_ydxd::y1#1 y1 zp ZP_BYTE:5 1.3333333333333333
 (byte) line_ydxd::y1#6 y1 zp ZP_BYTE:5 71.78571428571429
 (byte) line_ydxd::yd
-(byte) line_ydxd::yd#0 yd zp ZP_BYTE:4 2.0
-(byte) line_ydxd::yd#1 yd zp ZP_BYTE:4 2.0
-(byte) line_ydxd::yd#5 yd zp ZP_BYTE:4 143.28571428571428
+(byte) line_ydxd::yd#0 yd zp ZP_BYTE:10 2.0
+(byte) line_ydxd::yd#1 yd zp ZP_BYTE:10 2.0
+(byte) line_ydxd::yd#5 yd zp ZP_BYTE:10 143.28571428571428
 (void()) line_ydxi((byte) line_ydxi::y , (byte) line_ydxi::x , (byte) line_ydxi::y1 , (byte) line_ydxi::yd , (byte) line_ydxi::xd)
 (byte/word~) line_ydxi::$6 reg byte y 2002.0
 (label) line_ydxi::@1
@@ -6994,14 +6976,14 @@ FINAL SYMBOL TABLE
 (label) main::@5
 (label) main::@return
 (void()) plot((byte) plot::x , (byte) plot::y)
-(word~) plot::$0 $0 zp ZP_WORD:8 1.0
+(word~) plot::$0 $0 zp ZP_WORD:21 1.0
 (byte~) plot::$1 reg byte a 4.0
 (label) plot::@return
 (byte*) plot::plotter
 (word) plot::plotter_x
-(word) plot::plotter_x#0 plotter_x zp ZP_WORD:8 2.0
+(word) plot::plotter_x#0 plotter_x zp ZP_WORD:21 2.0
 (word) plot::plotter_y
-(word) plot::plotter_y#0 plotter_y zp ZP_WORD:11 4.0
+(word) plot::plotter_y#0 plotter_y zp ZP_WORD:23 4.0
 (byte) plot::x
 (byte) plot::x#0 reg byte x 1001.0
 (byte) plot::x#1 reg byte x 1001.0
@@ -7025,29 +7007,41 @@ FINAL SYMBOL TABLE
 (byte[256]) plot_ylo
 (const byte[256]) plot_ylo#0 plot_ylo = { fill( 256, 0) }
 
-zp ZP_BYTE:2 [ lines::l#2 lines::l#1 init_plot_tables::$6 ]
-zp ZP_BYTE:3 [ line_ydxi::xd#2 line_ydxi::xd#1 line_ydxi::xd#0 line_xdyi::yd#2 line_xdyi::yd#0 line_xdyi::yd#1 line_ydxd::xd#2 line_ydxd::xd#1 line_ydxd::xd#0 line_xdyd::yd#2 line_xdyd::yd#0 line_xdyd::yd#1 line::x0#0 ]
-zp ZP_BYTE:4 [ line_ydxi::yd#5 line_ydxi::yd#1 line_ydxi::yd#0 line_xdyi::xd#5 line_xdyi::xd#0 line_xdyi::xd#1 line_ydxd::yd#5 line_ydxd::yd#1 line_ydxd::yd#0 line_xdyd::xd#5 line_xdyd::xd#0 line_xdyd::xd#1 line::x1#0 ]
-zp ZP_BYTE:5 [ line_ydxi::y1#6 line_ydxi::y1#1 line_ydxi::y1#0 line_xdyi::x1#6 line_xdyi::x1#0 line_xdyi::x1#1 line_ydxd::y1#6 line_ydxd::y1#1 line_ydxd::y1#0 line_xdyd::x1#6 line_xdyd::x1#0 line_xdyd::x1#1 line::y0#0 ]
+zp ZP_BYTE:2 [ lines::l#2 lines::l#1 ]
+zp ZP_BYTE:3 [ line_ydxi::xd#2 line_ydxi::xd#1 line_ydxi::xd#0 line::xd#1 line_xdyi::xd#5 line_xdyi::xd#0 line_xdyi::xd#1 line::xd#0 line_ydxd::xd#2 line_ydxd::xd#1 line_ydxd::xd#0 line_xdyd::xd#5 line_xdyd::xd#0 line_xdyd::xd#1 ]
+zp ZP_BYTE:4 [ line_ydxi::yd#5 line_ydxi::yd#1 line_ydxi::yd#0 line::yd#1 line_xdyi::yd#2 line_xdyi::yd#0 line_xdyi::yd#1 line::yd#10 ]
+zp ZP_BYTE:5 [ line_ydxi::y1#6 line_ydxi::y1#1 line_ydxi::y1#0 line::y0#0 line_xdyi::y#3 line_xdyi::y#5 line_xdyi::y#0 line_xdyi::y#1 line_xdyi::y#6 line_xdyi::y#2 line_ydxd::y1#6 line_ydxd::y1#1 line_ydxd::y1#0 line_xdyd::y#3 line_xdyd::y#5 line_xdyd::y#0 line_xdyd::y#1 line_xdyd::y#6 line_xdyd::y#2 ]
 reg byte x [ line_ydxi::x#3 line_ydxi::x#5 line_ydxi::x#1 line_ydxi::x#0 line_ydxi::x#6 line_ydxi::x#2 ]
-zp ZP_BYTE:6 [ line_ydxi::y#3 line_ydxi::y#6 line_ydxi::y#1 line_ydxi::y#0 line_ydxi::y#2 line_xdyi::y#3 line_xdyi::y#5 line_xdyi::y#0 line_xdyi::y#1 line_xdyi::y#6 line_xdyi::y#2 line_ydxd::y#2 line_ydxd::y#7 line_ydxd::y#1 line_ydxd::y#0 line_ydxd::y#3 line_xdyd::y#3 line_xdyd::y#5 line_xdyd::y#0 line_xdyd::y#1 line_xdyd::y#6 line_xdyd::y#2 ]
-zp ZP_BYTE:7 [ line_ydxi::e#3 line_ydxi::e#0 line_ydxi::e#6 line_ydxi::e#2 line_ydxi::e#1 line_xdyi::e#3 line_xdyi::e#0 line_xdyi::e#6 line_xdyi::e#2 line_xdyi::e#1 line_ydxd::e#3 line_ydxd::e#0 line_ydxd::e#6 line_ydxd::e#2 line_ydxd::e#1 line_xdyd::e#3 line_xdyd::e#0 line_xdyd::e#6 line_xdyd::e#2 line_xdyd::e#1 line::xd#1 line::xd#0 ]
+zp ZP_BYTE:6 [ line_ydxi::y#3 line_ydxi::y#6 line_ydxi::y#1 line_ydxi::y#0 line_ydxi::y#2 ]
+zp ZP_BYTE:7 [ line_ydxi::e#3 line_ydxi::e#0 line_ydxi::e#6 line_ydxi::e#2 line_ydxi::e#1 ]
 reg byte x [ plot::x#4 plot::x#1 plot::x#0 plot::x#3 plot::x#2 ]
 reg byte y [ plot::y#4 plot::y#1 plot::y#0 plot::y#3 plot::y#2 ]
+zp ZP_BYTE:8 [ line_xdyi::x1#6 line_xdyi::x1#0 line_xdyi::x1#1 line::x0#0 line_xdyd::x1#6 line_xdyd::x1#0 line_xdyd::x1#1 ]
 reg byte x [ line_xdyi::x#3 line_xdyi::x#6 line_xdyi::x#0 line_xdyi::x#1 line_xdyi::x#2 ]
+zp ZP_BYTE:9 [ line_xdyi::e#3 line_xdyi::e#0 line_xdyi::e#6 line_xdyi::e#2 line_xdyi::e#1 ]
+zp ZP_BYTE:10 [ line_ydxd::yd#5 line_ydxd::yd#1 line_ydxd::yd#0 line::yd#0 line_xdyd::yd#2 line_xdyd::yd#0 line_xdyd::yd#1 line::yd#3 ]
 reg byte x [ line_ydxd::x#3 line_ydxd::x#5 line_ydxd::x#1 line_ydxd::x#0 line_ydxd::x#6 line_ydxd::x#2 ]
+zp ZP_BYTE:11 [ line_ydxd::y#2 line_ydxd::y#7 line_ydxd::y#1 line_ydxd::y#0 line_ydxd::y#3 ]
+zp ZP_BYTE:12 [ line_ydxd::e#3 line_ydxd::e#0 line_ydxd::e#6 line_ydxd::e#2 line_ydxd::e#1 ]
 reg byte x [ line_xdyd::x#3 line_xdyd::x#6 line_xdyd::x#0 line_xdyd::x#1 line_xdyd::x#2 ]
+zp ZP_BYTE:13 [ line_xdyd::e#3 line_xdyd::e#0 line_xdyd::e#6 line_xdyd::e#2 line_xdyd::e#1 ]
 reg byte x [ init_plot_tables::x#2 init_plot_tables::x#1 ]
 reg byte y [ init_plot_tables::bits#3 init_plot_tables::bits#4 init_plot_tables::bits#1 ]
 reg byte x [ init_plot_tables::y#2 init_plot_tables::y#1 ]
-zp ZP_WORD:8 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 init_screen::b#2 init_screen::b#1 init_screen::c#2 init_screen::c#1 plot::plotter_x#0 plot::$0 ]
+zp ZP_WORD:14 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 ]
+zp ZP_WORD:16 [ init_screen::b#2 init_screen::b#1 ]
+zp ZP_WORD:18 [ init_screen::c#2 init_screen::c#1 ]
+zp ZP_BYTE:20 [ line::x1#0 ]
 reg byte y [ line::y1#0 ]
-zp ZP_BYTE:10 [ line::yd#1 line::yd#0 line::yd#3 line::yd#10 line_xdyi::$6 line_xdyd::$6 ]
 reg byte y [ line_ydxi::$6 ]
-zp ZP_WORD:11 [ plot::plotter_y#0 ]
+zp ZP_WORD:21 [ plot::plotter_x#0 plot::$0 ]
+zp ZP_WORD:23 [ plot::plotter_y#0 ]
 reg byte a [ plot::$1 ]
+zp ZP_BYTE:25 [ line_xdyi::$6 ]
 reg byte y [ line_ydxd::$6 ]
+zp ZP_BYTE:26 [ line_xdyd::$6 ]
 reg byte a [ init_plot_tables::$0 ]
+zp ZP_BYTE:27 [ init_plot_tables::$6 ]
 reg byte a [ init_plot_tables::$7 ]
 reg byte a [ init_plot_tables::$8 ]
 reg byte a [ init_plot_tables::$9 ]
@@ -7055,7 +7049,7 @@ reg byte a [ init_plot_tables::$10 ]
 
 
 FINAL ASSEMBLER
-Score: 218375
+Score: 218255
 
 //SEG0 Basic Upstart
 .pc = $801 "Basic"
@@ -7151,11 +7145,13 @@ lines: {
 }
 //SEG43 line
 line: {
-    .label x0 = 3
-    .label x1 = 4
+    .label x0 = 8
+    .label x1 = $14
     .label y0 = 5
-    .label xd = 7
+    .label xd = 3
     .label yd = $a
+    .label yd_1 = 4
+    .label yd_10 = 4
   //SEG44 [25] if((byte) line::x0#0>=(byte) line::x1#0) goto line::@1 [ line::x0#0 line::x1#0 line::y0#0 line::y1#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x0#0 line::x1#0 line::y0#0 line::y1#0 ] ) -- vbuz1_ge_vbuz2_then_la1 
     lda x0
     cmp x1
@@ -7176,25 +7172,22 @@ line: {
     tya
     sec
     sbc y0
-    sta yd
+    sta yd_1
   //SEG50 [29] if((byte) line::yd#1>=(byte) line::xd#1) goto line::@3 [ line::x0#0 line::x1#0 line::y0#0 line::y1#0 line::xd#1 line::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x0#0 line::x1#0 line::y0#0 line::y1#0 line::xd#1 line::yd#1 ] ) -- vbuz1_ge_vbuz2_then_la1 
     cmp xd
     bcs b3
   //SEG51 line::@17
   //SEG52 [30] (byte) line_xdyi::x#0 ← (byte) line::x0#0 [ line::x1#0 line::y0#0 line::xd#1 line::yd#1 line_xdyi::x#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x1#0 line::y0#0 line::xd#1 line::yd#1 line_xdyi::x#0 ] ) -- vbuxx=vbuz1 
     ldx x0
-  //SEG53 [31] (byte) line_xdyi::y#0 ← (byte) line::y0#0 [ line::x1#0 line::xd#1 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x1#0 line::xd#1 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 ] ) -- vbuz1=vbuz2 
-    lda y0
-    sta line_xdyi.y
+  //SEG53 [31] (byte) line_xdyi::y#0 ← (byte) line::y0#0 [ line::x1#0 line::xd#1 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x1#0 line::xd#1 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 ] )
+    // (byte) line_xdyi::y#0 = (byte) line::y0#0  // register copy zp ZP_BYTE:5
   //SEG54 [32] (byte) line_xdyi::x1#0 ← (byte) line::x1#0 [ line::xd#1 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 ] ) -- vbuz1=vbuz2 
     lda x1
     sta line_xdyi.x1
-  //SEG55 [33] (byte) line_xdyi::xd#0 ← (byte) line::xd#1 [ line::yd#1 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_xdyi.xd
-  //SEG56 [34] (byte) line_xdyi::yd#0 ← (byte) line::yd#1 [ line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 line_xdyi::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 line_xdyi::yd#0 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_xdyi.yd
+  //SEG55 [33] (byte) line_xdyi::xd#0 ← (byte) line::xd#1 [ line::yd#1 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#1 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 ] )
+    // (byte) line_xdyi::xd#0 = (byte) line::xd#1  // register copy zp ZP_BYTE:3
+  //SEG56 [34] (byte) line_xdyi::yd#0 ← (byte) line::yd#1 [ line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 line_xdyi::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyi::x#0 line_xdyi::y#0 line_xdyi::x1#0 line_xdyi::xd#0 line_xdyi::yd#0 ] )
+    // (byte) line_xdyi::yd#0 = (byte) line::yd#1  // register copy zp ZP_BYTE:4
   //SEG57 [35] call line_xdyi param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG58 [109] phi from line::@17 to line_xdyi [phi:line::@17->line_xdyi]
   //SEG59 [109] phi (byte) line_xdyi::x1#6 = (byte) line_xdyi::x1#0 [phi:line::@17->line_xdyi#0] -- register_copy 
@@ -7216,12 +7209,10 @@ line: {
     ldx x0
   //SEG69 [39] (byte) line_ydxi::y1#0 ← (byte) line::y1#0 [ line::xd#1 line::yd#1 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line::yd#1 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 ] ) -- vbuz1=vbuyy 
     sty line_ydxi.y1
-  //SEG70 [40] (byte) line_ydxi::yd#0 ← (byte) line::yd#1 [ line::xd#1 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_ydxi.yd
-  //SEG71 [41] (byte) line_ydxi::xd#0 ← (byte) line::xd#1 [ line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 line_ydxi::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 line_ydxi::xd#0 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_ydxi.xd
+  //SEG70 [40] (byte) line_ydxi::yd#0 ← (byte) line::yd#1 [ line::xd#1 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 ] )
+    // (byte) line_ydxi::yd#0 = (byte) line::yd#1  // register copy zp ZP_BYTE:4
+  //SEG71 [41] (byte) line_ydxi::xd#0 ← (byte) line::xd#1 [ line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 line_ydxi::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxi::y#0 line_ydxi::x#0 line_ydxi::y1#0 line_ydxi::yd#0 line_ydxi::xd#0 ] )
+    // (byte) line_ydxi::xd#0 = (byte) line::xd#1  // register copy zp ZP_BYTE:3
   //SEG72 [42] call line_ydxi param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG73 [87] phi from line::@3 to line_ydxi [phi:line::@3->line_ydxi]
   //SEG74 [87] phi (byte) line_ydxi::y1#6 = (byte) line_ydxi::y1#0 [phi:line::@3->line_ydxi#0] -- register_copy 
@@ -7245,18 +7236,15 @@ line: {
   //SEG82 line::@20
   //SEG83 [45] (byte) line_xdyd::x#0 ← (byte) line::x0#0 [ line::x1#0 line::y0#0 line::xd#1 line::yd#0 line_xdyd::x#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x1#0 line::y0#0 line::xd#1 line::yd#0 line_xdyd::x#0 ] ) -- vbuxx=vbuz1 
     ldx x0
-  //SEG84 [46] (byte) line_xdyd::y#0 ← (byte) line::y0#0 [ line::x1#0 line::xd#1 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x1#0 line::xd#1 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 ] ) -- vbuz1=vbuz2 
-    lda y0
-    sta line_xdyd.y
+  //SEG84 [46] (byte) line_xdyd::y#0 ← (byte) line::y0#0 [ line::x1#0 line::xd#1 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x1#0 line::xd#1 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 ] )
+    // (byte) line_xdyd::y#0 = (byte) line::y0#0  // register copy zp ZP_BYTE:5
   //SEG85 [47] (byte) line_xdyd::x1#0 ← (byte) line::x1#0 [ line::xd#1 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 ] ) -- vbuz1=vbuz2 
     lda x1
     sta line_xdyd.x1
-  //SEG86 [48] (byte) line_xdyd::xd#0 ← (byte) line::xd#1 [ line::yd#0 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_xdyd.xd
-  //SEG87 [49] (byte) line_xdyd::yd#0 ← (byte) line::yd#0 [ line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 line_xdyd::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 line_xdyd::yd#0 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_xdyd.yd
+  //SEG86 [48] (byte) line_xdyd::xd#0 ← (byte) line::xd#1 [ line::yd#0 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#0 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 ] )
+    // (byte) line_xdyd::xd#0 = (byte) line::xd#1  // register copy zp ZP_BYTE:3
+  //SEG87 [49] (byte) line_xdyd::yd#0 ← (byte) line::yd#0 [ line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 line_xdyd::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyd::x#0 line_xdyd::y#0 line_xdyd::x1#0 line_xdyd::xd#0 line_xdyd::yd#0 ] )
+    // (byte) line_xdyd::yd#0 = (byte) line::yd#0  // register copy zp ZP_BYTE:10
   //SEG88 [50] call line_xdyd param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG89 [139] phi from line::@20 to line_xdyd [phi:line::@20->line_xdyd]
   //SEG90 [139] phi (byte) line_xdyd::x1#6 = (byte) line_xdyd::x1#0 [phi:line::@20->line_xdyd#0] -- register_copy 
@@ -7274,12 +7262,10 @@ line: {
     ldx x1
   //SEG98 [53] (byte) line_ydxd::y1#0 ← (byte) line::y0#0 [ line::xd#1 line::yd#0 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line::yd#0 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 ] )
     // (byte) line_ydxd::y1#0 = (byte) line::y0#0  // register copy zp ZP_BYTE:5
-  //SEG99 [54] (byte) line_ydxd::yd#0 ← (byte) line::yd#0 [ line::xd#1 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_ydxd.yd
-  //SEG100 [55] (byte) line_ydxd::xd#0 ← (byte) line::xd#1 [ line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 line_ydxd::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 line_ydxd::xd#0 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_ydxd.xd
+  //SEG99 [54] (byte) line_ydxd::yd#0 ← (byte) line::yd#0 [ line::xd#1 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#1 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 ] )
+    // (byte) line_ydxd::yd#0 = (byte) line::yd#0  // register copy zp ZP_BYTE:10
+  //SEG100 [55] (byte) line_ydxd::xd#0 ← (byte) line::xd#1 [ line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 line_ydxd::xd#0 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxd::y#0 line_ydxd::x#0 line_ydxd::y1#0 line_ydxd::yd#0 line_ydxd::xd#0 ] )
+    // (byte) line_ydxd::xd#0 = (byte) line::xd#1  // register copy zp ZP_BYTE:3
   //SEG101 [56] call line_ydxd param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG102 [124] phi from line::@6 to line_ydxd [phi:line::@6->line_ydxd]
   //SEG103 [124] phi (byte) line_ydxd::y1#6 = (byte) line_ydxd::y1#0 [phi:line::@6->line_ydxd#0] -- register_copy 
@@ -7315,15 +7301,12 @@ line: {
     ldx x1
   //SEG116 [62] (byte) line_xdyd::y#1 ← (byte) line::y1#0 [ line::x0#0 line::xd#0 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x0#0 line::xd#0 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 ] ) -- vbuz1=vbuyy 
     sty line_xdyd.y
-  //SEG117 [63] (byte) line_xdyd::x1#1 ← (byte) line::x0#0 [ line::xd#0 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 ] ) -- vbuz1=vbuz2 
-    lda x0
-    sta line_xdyd.x1
-  //SEG118 [64] (byte) line_xdyd::xd#1 ← (byte) line::xd#0 [ line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_xdyd.xd
-  //SEG119 [65] (byte) line_xdyd::yd#1 ← (byte) line::yd#3 [ line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 line_xdyd::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 line_xdyd::yd#1 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_xdyd.yd
+  //SEG117 [63] (byte) line_xdyd::x1#1 ← (byte) line::x0#0 [ line::xd#0 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 ] )
+    // (byte) line_xdyd::x1#1 = (byte) line::x0#0  // register copy zp ZP_BYTE:8
+  //SEG118 [64] (byte) line_xdyd::xd#1 ← (byte) line::xd#0 [ line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#3 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 ] )
+    // (byte) line_xdyd::xd#1 = (byte) line::xd#0  // register copy zp ZP_BYTE:3
+  //SEG119 [65] (byte) line_xdyd::yd#1 ← (byte) line::yd#3 [ line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 line_xdyd::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyd::x#1 line_xdyd::y#1 line_xdyd::x1#1 line_xdyd::xd#1 line_xdyd::yd#1 ] )
+    // (byte) line_xdyd::yd#1 = (byte) line::yd#3  // register copy zp ZP_BYTE:10
   //SEG120 [66] call line_xdyd param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG121 [139] phi from line::@24 to line_xdyd [phi:line::@24->line_xdyd]
   //SEG122 [139] phi (byte) line_xdyd::x1#6 = (byte) line_xdyd::x1#1 [phi:line::@24->line_xdyd#0] -- register_copy 
@@ -7342,12 +7325,10 @@ line: {
     ldx x0
   //SEG130 [69] (byte) line_ydxd::y1#1 ← (byte) line::y1#0 [ line::xd#0 line::yd#3 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line::yd#3 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 ] ) -- vbuz1=vbuyy 
     sty line_ydxd.y1
-  //SEG131 [70] (byte) line_ydxd::yd#1 ← (byte) line::yd#3 [ line::xd#0 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_ydxd.yd
-  //SEG132 [71] (byte) line_ydxd::xd#1 ← (byte) line::xd#0 [ line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 line_ydxd::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 line_ydxd::xd#1 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_ydxd.xd
+  //SEG131 [70] (byte) line_ydxd::yd#1 ← (byte) line::yd#3 [ line::xd#0 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 ] )
+    // (byte) line_ydxd::yd#1 = (byte) line::yd#3  // register copy zp ZP_BYTE:10
+  //SEG132 [71] (byte) line_ydxd::xd#1 ← (byte) line::xd#0 [ line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 line_ydxd::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxd::y#1 line_ydxd::x#1 line_ydxd::y1#1 line_ydxd::yd#1 line_ydxd::xd#1 ] )
+    // (byte) line_ydxd::xd#1 = (byte) line::xd#0  // register copy zp ZP_BYTE:3
   //SEG133 [72] call line_ydxd param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG134 [124] phi from line::@10 to line_ydxd [phi:line::@10->line_ydxd]
   //SEG135 [124] phi (byte) line_ydxd::y1#6 = (byte) line_ydxd::y1#1 [phi:line::@10->line_ydxd#0] -- register_copy 
@@ -7364,7 +7345,7 @@ line: {
     eor #$ff
     sec
     adc y0
-    sta yd
+    sta yd_10
   //SEG142 [74] if((byte) line::yd#10>=(byte) line::xd#0) goto line::@13 [ line::x0#0 line::x1#0 line::y0#0 line::y1#0 line::xd#0 line::yd#10 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x0#0 line::x1#0 line::y0#0 line::y1#0 line::xd#0 line::yd#10 ] ) -- vbuz1_ge_vbuz2_then_la1 
     cmp xd
     bcs b13
@@ -7373,15 +7354,12 @@ line: {
     ldx x1
   //SEG145 [76] (byte) line_xdyi::y#1 ← (byte) line::y1#0 [ line::x0#0 line::xd#0 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::x0#0 line::xd#0 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 ] ) -- vbuz1=vbuyy 
     sty line_xdyi.y
-  //SEG146 [77] (byte) line_xdyi::x1#1 ← (byte) line::x0#0 [ line::xd#0 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 ] ) -- vbuz1=vbuz2 
-    lda x0
-    sta line_xdyi.x1
-  //SEG147 [78] (byte) line_xdyi::xd#1 ← (byte) line::xd#0 [ line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_xdyi.xd
-  //SEG148 [79] (byte) line_xdyi::yd#1 ← (byte) line::yd#10 [ line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 line_xdyi::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 line_xdyi::yd#1 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_xdyi.yd
+  //SEG146 [77] (byte) line_xdyi::x1#1 ← (byte) line::x0#0 [ line::xd#0 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 ] )
+    // (byte) line_xdyi::x1#1 = (byte) line::x0#0  // register copy zp ZP_BYTE:8
+  //SEG147 [78] (byte) line_xdyi::xd#1 ← (byte) line::xd#0 [ line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::yd#10 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 ] )
+    // (byte) line_xdyi::xd#1 = (byte) line::xd#0  // register copy zp ZP_BYTE:3
+  //SEG148 [79] (byte) line_xdyi::yd#1 ← (byte) line::yd#10 [ line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 line_xdyi::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_xdyi::x#1 line_xdyi::y#1 line_xdyi::x1#1 line_xdyi::xd#1 line_xdyi::yd#1 ] )
+    // (byte) line_xdyi::yd#1 = (byte) line::yd#10  // register copy zp ZP_BYTE:4
   //SEG149 [80] call line_xdyi param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG150 [109] phi from line::@27 to line_xdyi [phi:line::@27->line_xdyi]
   //SEG151 [109] phi (byte) line_xdyi::x1#6 = (byte) line_xdyi::x1#1 [phi:line::@27->line_xdyi#0] -- register_copy 
@@ -7399,12 +7377,10 @@ line: {
     ldx x1
   //SEG159 [83] (byte) line_ydxi::y1#1 ← (byte) line::y0#0 [ line::xd#0 line::yd#10 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line::yd#10 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 ] )
     // (byte) line_ydxi::y1#1 = (byte) line::y0#0  // register copy zp ZP_BYTE:5
-  //SEG160 [84] (byte) line_ydxi::yd#1 ← (byte) line::yd#10 [ line::xd#0 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 ] ) -- vbuz1=vbuz2 
-    lda yd
-    sta line_ydxi.yd
-  //SEG161 [85] (byte) line_ydxi::xd#1 ← (byte) line::xd#0 [ line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 line_ydxi::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 line_ydxi::xd#1 ] ) -- vbuz1=vbuz2 
-    lda xd
-    sta line_ydxi.xd
+  //SEG160 [84] (byte) line_ydxi::yd#1 ← (byte) line::yd#10 [ line::xd#0 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line::xd#0 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 ] )
+    // (byte) line_ydxi::yd#1 = (byte) line::yd#10  // register copy zp ZP_BYTE:4
+  //SEG161 [85] (byte) line_ydxi::xd#1 ← (byte) line::xd#0 [ line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 line_ydxi::xd#1 ] ( main:2::lines:12::line:21 [ lines::l#2 line_ydxi::y#1 line_ydxi::x#1 line_ydxi::y1#1 line_ydxi::yd#1 line_ydxi::xd#1 ] )
+    // (byte) line_ydxi::xd#1 = (byte) line::xd#0  // register copy zp ZP_BYTE:3
   //SEG162 [86] call line_ydxi param-assignment [ ] ( main:2::lines:12::line:21 [ lines::l#2 ] )
   //SEG163 [87] phi from line::@13 to line_ydxi [phi:line::@13->line_ydxi]
   //SEG164 [87] phi (byte) line_ydxi::y1#6 = (byte) line_ydxi::y1#1 [phi:line::@13->line_ydxi#0] -- register_copy 
@@ -7478,9 +7454,9 @@ line_ydxi: {
 }
 //SEG197 plot
 plot: {
-    .label _0 = 8
-    .label plotter_x = 8
-    .label plotter_y = $b
+    .label _0 = $15
+    .label plotter_x = $15
+    .label plotter_y = $17
   //SEG198 [103] (word) plot::plotter_x#0 ← *((const byte[256]) plot_xhi#0 + (byte) plot::x#4) w= *((const byte[256]) plot_xlo#0 + (byte) plot::x#4) [ plot::x#4 plot::y#4 plot::plotter_x#0 ] ( main:2::lines:12::line:21::line_ydxi:42::plot:92 [ lines::l#2 line_ydxi::xd#2 line_ydxi::yd#5 line_ydxi::y1#6 line_ydxi::x#3 line_ydxi::y#3 line_ydxi::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] main:2::lines:12::line:21::line_ydxi:86::plot:92 [ lines::l#2 line_ydxi::xd#2 line_ydxi::yd#5 line_ydxi::y1#6 line_ydxi::x#3 line_ydxi::y#3 line_ydxi::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] main:2::lines:12::line:21::line_xdyi:35::plot:114 [ lines::l#2 line_xdyi::yd#2 line_xdyi::xd#5 line_xdyi::x1#6 line_xdyi::x#3 line_xdyi::y#3 line_xdyi::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] main:2::lines:12::line:21::line_xdyi:80::plot:114 [ lines::l#2 line_xdyi::yd#2 line_xdyi::xd#5 line_xdyi::x1#6 line_xdyi::x#3 line_xdyi::y#3 line_xdyi::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] main:2::lines:12::line:21::line_ydxd:56::plot:129 [ lines::l#2 line_ydxd::xd#2 line_ydxd::yd#5 line_ydxd::y1#6 line_ydxd::x#3 line_ydxd::y#2 line_ydxd::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] main:2::lines:12::line:21::line_ydxd:72::plot:129 [ lines::l#2 line_ydxd::xd#2 line_ydxd::yd#5 line_ydxd::y1#6 line_ydxd::x#3 line_ydxd::y#2 line_ydxd::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] main:2::lines:12::line:21::line_xdyd:50::plot:144 [ lines::l#2 line_xdyd::yd#2 line_xdyd::xd#5 line_xdyd::x1#6 line_xdyd::x#3 line_xdyd::y#3 line_xdyd::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] main:2::lines:12::line:21::line_xdyd:66::plot:144 [ lines::l#2 line_xdyd::yd#2 line_xdyd::xd#5 line_xdyd::x1#6 line_xdyd::x#3 line_xdyd::y#3 line_xdyd::e#3 plot::x#4 plot::y#4 plot::plotter_x#0 ] ) -- vwuz1=pbuc1_derefidx_vbuxx_word_pbuc2_derefidx_vbuxx 
     lda plot_xhi,x
     sta plotter_x+1
@@ -7511,12 +7487,12 @@ plot: {
 }
 //SEG205 line_xdyi
 line_xdyi: {
-    .label _6 = $a
-    .label y = 6
-    .label x1 = 5
-    .label xd = 4
-    .label yd = 3
-    .label e = 7
+    .label _6 = $19
+    .label y = 5
+    .label x1 = 8
+    .label xd = 3
+    .label yd = 4
+    .label e = 9
   //SEG206 [110] (byte) line_xdyi::e#0 ← (byte) line_xdyi::yd#2 >> (byte/signed byte/word/signed word/dword/signed dword) 1 [ line_xdyi::yd#2 line_xdyi::x#6 line_xdyi::y#5 line_xdyi::xd#5 line_xdyi::x1#6 line_xdyi::e#0 ] ( main:2::lines:12::line:21::line_xdyi:35 [ lines::l#2 line_xdyi::yd#2 line_xdyi::x#6 line_xdyi::y#5 line_xdyi::xd#5 line_xdyi::x1#6 line_xdyi::e#0 ] main:2::lines:12::line:21::line_xdyi:80 [ lines::l#2 line_xdyi::yd#2 line_xdyi::x#6 line_xdyi::y#5 line_xdyi::xd#5 line_xdyi::x1#6 line_xdyi::e#0 ] ) -- vbuz1=vbuz2_ror_1 
     lda yd
     lsr
@@ -7574,11 +7550,11 @@ line_xdyi: {
 }
 //SEG233 line_ydxd
 line_ydxd: {
-    .label y = 6
+    .label y = $b
     .label y1 = 5
-    .label yd = 4
+    .label yd = $a
     .label xd = 3
-    .label e = 7
+    .label e = $c
   //SEG234 [125] (byte) line_ydxd::e#0 ← (byte) line_ydxd::xd#2 >> (byte/signed byte/word/signed word/dword/signed dword) 1 [ line_ydxd::xd#2 line_ydxd::x#5 line_ydxd::y#7 line_ydxd::yd#5 line_ydxd::y1#6 line_ydxd::e#0 ] ( main:2::lines:12::line:21::line_ydxd:56 [ lines::l#2 line_ydxd::xd#2 line_ydxd::x#5 line_ydxd::y#7 line_ydxd::yd#5 line_ydxd::y1#6 line_ydxd::e#0 ] main:2::lines:12::line:21::line_ydxd:72 [ lines::l#2 line_ydxd::xd#2 line_ydxd::x#5 line_ydxd::y#7 line_ydxd::yd#5 line_ydxd::y1#6 line_ydxd::e#0 ] ) -- vbuz1=vbuz2_ror_1 
     lda xd
     lsr
@@ -7635,12 +7611,12 @@ line_ydxd: {
 }
 //SEG261 line_xdyd
 line_xdyd: {
-    .label _6 = $a
-    .label y = 6
-    .label x1 = 5
-    .label xd = 4
-    .label yd = 3
-    .label e = 7
+    .label _6 = $1a
+    .label y = 5
+    .label x1 = 8
+    .label xd = 3
+    .label yd = $a
+    .label e = $d
   //SEG262 [140] (byte) line_xdyd::e#0 ← (byte) line_xdyd::yd#2 >> (byte/signed byte/word/signed word/dword/signed dword) 1 [ line_xdyd::yd#2 line_xdyd::x#6 line_xdyd::y#5 line_xdyd::xd#5 line_xdyd::x1#6 line_xdyd::e#0 ] ( main:2::lines:12::line:21::line_xdyd:50 [ lines::l#2 line_xdyd::yd#2 line_xdyd::x#6 line_xdyd::y#5 line_xdyd::xd#5 line_xdyd::x1#6 line_xdyd::e#0 ] main:2::lines:12::line:21::line_xdyd:66 [ lines::l#2 line_xdyd::yd#2 line_xdyd::x#6 line_xdyd::y#5 line_xdyd::xd#5 line_xdyd::x1#6 line_xdyd::e#0 ] ) -- vbuz1=vbuz2_ror_1 
     lda yd
     lsr
@@ -7698,8 +7674,8 @@ line_xdyd: {
 }
 //SEG289 init_plot_tables
 init_plot_tables: {
-    .label _6 = 2
-    .label yoffs = 8
+    .label _6 = $1b
+    .label yoffs = $e
   //SEG290 [155] phi from init_plot_tables to init_plot_tables::@1 [phi:init_plot_tables->init_plot_tables::@1]
   //SEG291 [155] phi (byte) init_plot_tables::bits#3 = (byte/word/signed word/dword/signed dword) 128 [phi:init_plot_tables->init_plot_tables::@1#0] -- vbuyy=vbuc1 
     ldy #$80
@@ -7798,8 +7774,8 @@ init_plot_tables: {
 }
 //SEG336 init_screen
 init_screen: {
-    .label b = 8
-    .label c = 8
+    .label b = $10
+    .label c = $12
   //SEG337 [181] phi from init_screen to init_screen::@1 [phi:init_screen->init_screen::@1]
   //SEG338 [181] phi (byte*) init_screen::b#2 = (const byte*) BITMAP#0 [phi:init_screen->init_screen::@1#0] -- pbuz1=pbuc1 
     lda #<BITMAP
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/bitmap-bresenham.sym b/src/test/java/dk/camelot64/kickc/test/ref/bitmap-bresenham.sym
index 867c0a2e2..c18991cc2 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/bitmap-bresenham.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/bitmap-bresenham.sym
@@ -22,7 +22,7 @@
 (void()) init_plot_tables()
 (byte~) init_plot_tables::$0 reg byte a 22.0
 (byte~) init_plot_tables::$10 reg byte a 22.0
-(byte~) init_plot_tables::$6 $6 zp ZP_BYTE:2 11.0
+(byte~) init_plot_tables::$6 $6 zp ZP_BYTE:27 11.0
 (byte~) init_plot_tables::$7 reg byte a 22.0
 (byte~) init_plot_tables::$8 reg byte a 22.0
 (byte~) init_plot_tables::$9 reg byte a 22.0
@@ -44,19 +44,19 @@
 (byte) init_plot_tables::y#1 reg byte x 16.5
 (byte) init_plot_tables::y#2 reg byte x 6.0
 (byte*) init_plot_tables::yoffs
-(byte*) init_plot_tables::yoffs#1 yoffs zp ZP_WORD:8 22.0
-(byte*) init_plot_tables::yoffs#2 yoffs zp ZP_WORD:8 6.111111111111112
-(byte*) init_plot_tables::yoffs#4 yoffs zp ZP_WORD:8 11.0
+(byte*) init_plot_tables::yoffs#1 yoffs zp ZP_WORD:14 22.0
+(byte*) init_plot_tables::yoffs#2 yoffs zp ZP_WORD:14 6.111111111111112
+(byte*) init_plot_tables::yoffs#4 yoffs zp ZP_WORD:14 11.0
 (void()) init_screen()
 (label) init_screen::@1
 (label) init_screen::@2
 (label) init_screen::@return
 (byte*) init_screen::b
-(byte*) init_screen::b#1 b zp ZP_WORD:8 16.5
-(byte*) init_screen::b#2 b zp ZP_WORD:8 16.5
+(byte*) init_screen::b#1 b zp ZP_WORD:16 16.5
+(byte*) init_screen::b#2 b zp ZP_WORD:16 16.5
 (byte*) init_screen::c
-(byte*) init_screen::c#1 c zp ZP_WORD:8 16.5
-(byte*) init_screen::c#2 c zp ZP_WORD:8 16.5
+(byte*) init_screen::c#1 c zp ZP_WORD:18 16.5
+(byte*) init_screen::c#2 c zp ZP_WORD:18 16.5
 (void()) line((byte) line::x0 , (byte) line::x1 , (byte) line::y0 , (byte) line::y1)
 (label) line::@1
 (label) line::@10
@@ -74,34 +74,34 @@
 (label) line::@9
 (label) line::@return
 (byte) line::x0
-(byte) line::x0#0 x0 zp ZP_BYTE:3 5.173913043478264
+(byte) line::x0#0 x0 zp ZP_BYTE:8 5.173913043478264
 (byte) line::x1
-(byte) line::x1#0 x1 zp ZP_BYTE:4 5.409090909090908
+(byte) line::x1#0 x1 zp ZP_BYTE:20 5.409090909090908
 (byte) line::xd
-(byte) line::xd#0 xd zp ZP_BYTE:7 0.7
-(byte) line::xd#1 xd zp ZP_BYTE:7 0.7
+(byte) line::xd#0 xd zp ZP_BYTE:3 0.7
+(byte) line::xd#1 xd zp ZP_BYTE:3 0.7
 (byte) line::y0
 (byte) line::y0#0 y0 zp ZP_BYTE:5 5.952380952380948
 (byte) line::y1
 (byte) line::y1#0 reg byte y 6.249999999999996
 (byte) line::yd
 (byte) line::yd#0 yd zp ZP_BYTE:10 0.8888888888888888
-(byte) line::yd#1 yd zp ZP_BYTE:10 0.8888888888888888
-(byte) line::yd#10 yd zp ZP_BYTE:10 0.8888888888888888
+(byte) line::yd#1 yd#1 zp ZP_BYTE:4 0.8888888888888888
+(byte) line::yd#10 yd#10 zp ZP_BYTE:4 0.8888888888888888
 (byte) line::yd#3 yd zp ZP_BYTE:10 0.8888888888888888
 (void()) line_xdyd((byte) line_xdyd::x , (byte) line_xdyd::y , (byte) line_xdyd::x1 , (byte) line_xdyd::xd , (byte) line_xdyd::yd)
-(byte/word~) line_xdyd::$6 $6 zp ZP_BYTE:10 2002.0
+(byte/word~) line_xdyd::$6 $6 zp ZP_BYTE:26 2002.0
 (label) line_xdyd::@1
 (label) line_xdyd::@2
 (label) line_xdyd::@3
 (label) line_xdyd::@5
 (label) line_xdyd::@return
 (byte) line_xdyd::e
-(byte) line_xdyd::e#0 e zp ZP_BYTE:7 4.0
-(byte) line_xdyd::e#1 e zp ZP_BYTE:7 1334.6666666666667
-(byte) line_xdyd::e#2 e zp ZP_BYTE:7 2002.0
-(byte) line_xdyd::e#3 e zp ZP_BYTE:7 400.79999999999995
-(byte) line_xdyd::e#6 e zp ZP_BYTE:7 1001.0
+(byte) line_xdyd::e#0 e zp ZP_BYTE:13 4.0
+(byte) line_xdyd::e#1 e zp ZP_BYTE:13 1334.6666666666667
+(byte) line_xdyd::e#2 e zp ZP_BYTE:13 2002.0
+(byte) line_xdyd::e#3 e zp ZP_BYTE:13 400.79999999999995
+(byte) line_xdyd::e#6 e zp ZP_BYTE:13 1001.0
 (byte) line_xdyd::x
 (byte) line_xdyd::x#0 reg byte x 0.8
 (byte) line_xdyd::x#1 reg byte x 0.8
@@ -109,37 +109,37 @@
 (byte) line_xdyd::x#3 reg byte x 751.25
 (byte) line_xdyd::x#6 reg byte x 3.0
 (byte) line_xdyd::x1
-(byte) line_xdyd::x1#0 x1 zp ZP_BYTE:5 1.3333333333333333
-(byte) line_xdyd::x1#1 x1 zp ZP_BYTE:5 1.3333333333333333
-(byte) line_xdyd::x1#6 x1 zp ZP_BYTE:5 71.78571428571429
+(byte) line_xdyd::x1#0 x1 zp ZP_BYTE:8 1.3333333333333333
+(byte) line_xdyd::x1#1 x1 zp ZP_BYTE:8 1.3333333333333333
+(byte) line_xdyd::x1#6 x1 zp ZP_BYTE:8 71.78571428571429
 (byte) line_xdyd::xd
-(byte) line_xdyd::xd#0 xd zp ZP_BYTE:4 2.0
-(byte) line_xdyd::xd#1 xd zp ZP_BYTE:4 2.0
-(byte) line_xdyd::xd#5 xd zp ZP_BYTE:4 143.28571428571428
+(byte) line_xdyd::xd#0 xd zp ZP_BYTE:3 2.0
+(byte) line_xdyd::xd#1 xd zp ZP_BYTE:3 2.0
+(byte) line_xdyd::xd#5 xd zp ZP_BYTE:3 143.28571428571428
 (byte) line_xdyd::y
-(byte) line_xdyd::y#0 y zp ZP_BYTE:6 1.0
-(byte) line_xdyd::y#1 y zp ZP_BYTE:6 1.0
-(byte) line_xdyd::y#2 y zp ZP_BYTE:6 1001.0
-(byte) line_xdyd::y#3 y zp ZP_BYTE:6 572.2857142857142
-(byte) line_xdyd::y#5 y zp ZP_BYTE:6 3.0
-(byte) line_xdyd::y#6 y zp ZP_BYTE:6 1001.0
+(byte) line_xdyd::y#0 y zp ZP_BYTE:5 1.0
+(byte) line_xdyd::y#1 y zp ZP_BYTE:5 1.0
+(byte) line_xdyd::y#2 y zp ZP_BYTE:5 1001.0
+(byte) line_xdyd::y#3 y zp ZP_BYTE:5 572.2857142857142
+(byte) line_xdyd::y#5 y zp ZP_BYTE:5 3.0
+(byte) line_xdyd::y#6 y zp ZP_BYTE:5 1001.0
 (byte) line_xdyd::yd
-(byte) line_xdyd::yd#0 yd zp ZP_BYTE:3 4.0
-(byte) line_xdyd::yd#1 yd zp ZP_BYTE:3 4.0
-(byte) line_xdyd::yd#2 yd zp ZP_BYTE:3 71.92857142857143
+(byte) line_xdyd::yd#0 yd zp ZP_BYTE:10 4.0
+(byte) line_xdyd::yd#1 yd zp ZP_BYTE:10 4.0
+(byte) line_xdyd::yd#2 yd zp ZP_BYTE:10 71.92857142857143
 (void()) line_xdyi((byte) line_xdyi::x , (byte) line_xdyi::y , (byte) line_xdyi::x1 , (byte) line_xdyi::xd , (byte) line_xdyi::yd)
-(byte/word~) line_xdyi::$6 $6 zp ZP_BYTE:10 2002.0
+(byte/word~) line_xdyi::$6 $6 zp ZP_BYTE:25 2002.0
 (label) line_xdyi::@1
 (label) line_xdyi::@2
 (label) line_xdyi::@3
 (label) line_xdyi::@5
 (label) line_xdyi::@return
 (byte) line_xdyi::e
-(byte) line_xdyi::e#0 e zp ZP_BYTE:7 4.0
-(byte) line_xdyi::e#1 e zp ZP_BYTE:7 1334.6666666666667
-(byte) line_xdyi::e#2 e zp ZP_BYTE:7 2002.0
-(byte) line_xdyi::e#3 e zp ZP_BYTE:7 400.79999999999995
-(byte) line_xdyi::e#6 e zp ZP_BYTE:7 1001.0
+(byte) line_xdyi::e#0 e zp ZP_BYTE:9 4.0
+(byte) line_xdyi::e#1 e zp ZP_BYTE:9 1334.6666666666667
+(byte) line_xdyi::e#2 e zp ZP_BYTE:9 2002.0
+(byte) line_xdyi::e#3 e zp ZP_BYTE:9 400.79999999999995
+(byte) line_xdyi::e#6 e zp ZP_BYTE:9 1001.0
 (byte) line_xdyi::x
 (byte) line_xdyi::x#0 reg byte x 0.8
 (byte) line_xdyi::x#1 reg byte x 0.8
@@ -147,24 +147,24 @@
 (byte) line_xdyi::x#3 reg byte x 751.25
 (byte) line_xdyi::x#6 reg byte x 3.0
 (byte) line_xdyi::x1
-(byte) line_xdyi::x1#0 x1 zp ZP_BYTE:5 1.3333333333333333
-(byte) line_xdyi::x1#1 x1 zp ZP_BYTE:5 1.3333333333333333
-(byte) line_xdyi::x1#6 x1 zp ZP_BYTE:5 71.78571428571429
+(byte) line_xdyi::x1#0 x1 zp ZP_BYTE:8 1.3333333333333333
+(byte) line_xdyi::x1#1 x1 zp ZP_BYTE:8 1.3333333333333333
+(byte) line_xdyi::x1#6 x1 zp ZP_BYTE:8 71.78571428571429
 (byte) line_xdyi::xd
-(byte) line_xdyi::xd#0 xd zp ZP_BYTE:4 2.0
-(byte) line_xdyi::xd#1 xd zp ZP_BYTE:4 2.0
-(byte) line_xdyi::xd#5 xd zp ZP_BYTE:4 143.28571428571428
+(byte) line_xdyi::xd#0 xd zp ZP_BYTE:3 2.0
+(byte) line_xdyi::xd#1 xd zp ZP_BYTE:3 2.0
+(byte) line_xdyi::xd#5 xd zp ZP_BYTE:3 143.28571428571428
 (byte) line_xdyi::y
-(byte) line_xdyi::y#0 y zp ZP_BYTE:6 1.0
-(byte) line_xdyi::y#1 y zp ZP_BYTE:6 1.0
-(byte) line_xdyi::y#2 y zp ZP_BYTE:6 1001.0
-(byte) line_xdyi::y#3 y zp ZP_BYTE:6 572.2857142857142
-(byte) line_xdyi::y#5 y zp ZP_BYTE:6 3.0
-(byte) line_xdyi::y#6 y zp ZP_BYTE:6 1001.0
+(byte) line_xdyi::y#0 y zp ZP_BYTE:5 1.0
+(byte) line_xdyi::y#1 y zp ZP_BYTE:5 1.0
+(byte) line_xdyi::y#2 y zp ZP_BYTE:5 1001.0
+(byte) line_xdyi::y#3 y zp ZP_BYTE:5 572.2857142857142
+(byte) line_xdyi::y#5 y zp ZP_BYTE:5 3.0
+(byte) line_xdyi::y#6 y zp ZP_BYTE:5 1001.0
 (byte) line_xdyi::yd
-(byte) line_xdyi::yd#0 yd zp ZP_BYTE:3 4.0
-(byte) line_xdyi::yd#1 yd zp ZP_BYTE:3 4.0
-(byte) line_xdyi::yd#2 yd zp ZP_BYTE:3 71.92857142857143
+(byte) line_xdyi::yd#0 yd zp ZP_BYTE:4 4.0
+(byte) line_xdyi::yd#1 yd zp ZP_BYTE:4 4.0
+(byte) line_xdyi::yd#2 yd zp ZP_BYTE:4 71.92857142857143
 (void()) line_ydxd((byte) line_ydxd::y , (byte) line_ydxd::x , (byte) line_ydxd::y1 , (byte) line_ydxd::yd , (byte) line_ydxd::xd)
 (byte/word~) line_ydxd::$6 reg byte y 2002.0
 (label) line_ydxd::@1
@@ -173,11 +173,11 @@
 (label) line_ydxd::@5
 (label) line_ydxd::@return
 (byte) line_ydxd::e
-(byte) line_ydxd::e#0 e zp ZP_BYTE:7 4.0
-(byte) line_ydxd::e#1 e zp ZP_BYTE:7 1334.6666666666667
-(byte) line_ydxd::e#2 e zp ZP_BYTE:7 2002.0
-(byte) line_ydxd::e#3 e zp ZP_BYTE:7 400.79999999999995
-(byte) line_ydxd::e#6 e zp ZP_BYTE:7 1001.0
+(byte) line_ydxd::e#0 e zp ZP_BYTE:12 4.0
+(byte) line_ydxd::e#1 e zp ZP_BYTE:12 1334.6666666666667
+(byte) line_ydxd::e#2 e zp ZP_BYTE:12 2002.0
+(byte) line_ydxd::e#3 e zp ZP_BYTE:12 400.79999999999995
+(byte) line_ydxd::e#6 e zp ZP_BYTE:12 1001.0
 (byte) line_ydxd::x
 (byte) line_ydxd::x#0 reg byte x 1.0
 (byte) line_ydxd::x#1 reg byte x 1.0
@@ -190,19 +190,19 @@
 (byte) line_ydxd::xd#1 xd zp ZP_BYTE:3 4.0
 (byte) line_ydxd::xd#2 xd zp ZP_BYTE:3 71.92857142857143
 (byte) line_ydxd::y
-(byte) line_ydxd::y#0 y zp ZP_BYTE:6 0.8
-(byte) line_ydxd::y#1 y zp ZP_BYTE:6 0.8
-(byte) line_ydxd::y#2 y zp ZP_BYTE:6 751.25
-(byte) line_ydxd::y#3 y zp ZP_BYTE:6 375.375
-(byte) line_ydxd::y#7 y zp ZP_BYTE:6 3.0
+(byte) line_ydxd::y#0 y zp ZP_BYTE:11 0.8
+(byte) line_ydxd::y#1 y zp ZP_BYTE:11 0.8
+(byte) line_ydxd::y#2 y zp ZP_BYTE:11 751.25
+(byte) line_ydxd::y#3 y zp ZP_BYTE:11 375.375
+(byte) line_ydxd::y#7 y zp ZP_BYTE:11 3.0
 (byte) line_ydxd::y1
 (byte) line_ydxd::y1#0 y1 zp ZP_BYTE:5 1.3333333333333333
 (byte) line_ydxd::y1#1 y1 zp ZP_BYTE:5 1.3333333333333333
 (byte) line_ydxd::y1#6 y1 zp ZP_BYTE:5 71.78571428571429
 (byte) line_ydxd::yd
-(byte) line_ydxd::yd#0 yd zp ZP_BYTE:4 2.0
-(byte) line_ydxd::yd#1 yd zp ZP_BYTE:4 2.0
-(byte) line_ydxd::yd#5 yd zp ZP_BYTE:4 143.28571428571428
+(byte) line_ydxd::yd#0 yd zp ZP_BYTE:10 2.0
+(byte) line_ydxd::yd#1 yd zp ZP_BYTE:10 2.0
+(byte) line_ydxd::yd#5 yd zp ZP_BYTE:10 143.28571428571428
 (void()) line_ydxi((byte) line_ydxi::y , (byte) line_ydxi::x , (byte) line_ydxi::y1 , (byte) line_ydxi::yd , (byte) line_ydxi::xd)
 (byte/word~) line_ydxi::$6 reg byte y 2002.0
 (label) line_ydxi::@1
@@ -260,14 +260,14 @@
 (label) main::@5
 (label) main::@return
 (void()) plot((byte) plot::x , (byte) plot::y)
-(word~) plot::$0 $0 zp ZP_WORD:8 1.0
+(word~) plot::$0 $0 zp ZP_WORD:21 1.0
 (byte~) plot::$1 reg byte a 4.0
 (label) plot::@return
 (byte*) plot::plotter
 (word) plot::plotter_x
-(word) plot::plotter_x#0 plotter_x zp ZP_WORD:8 2.0
+(word) plot::plotter_x#0 plotter_x zp ZP_WORD:21 2.0
 (word) plot::plotter_y
-(word) plot::plotter_y#0 plotter_y zp ZP_WORD:11 4.0
+(word) plot::plotter_y#0 plotter_y zp ZP_WORD:23 4.0
 (byte) plot::x
 (byte) plot::x#0 reg byte x 1001.0
 (byte) plot::x#1 reg byte x 1001.0
@@ -291,29 +291,41 @@
 (byte[256]) plot_ylo
 (const byte[256]) plot_ylo#0 plot_ylo = { fill( 256, 0) }
 
-zp ZP_BYTE:2 [ lines::l#2 lines::l#1 init_plot_tables::$6 ]
-zp ZP_BYTE:3 [ line_ydxi::xd#2 line_ydxi::xd#1 line_ydxi::xd#0 line_xdyi::yd#2 line_xdyi::yd#0 line_xdyi::yd#1 line_ydxd::xd#2 line_ydxd::xd#1 line_ydxd::xd#0 line_xdyd::yd#2 line_xdyd::yd#0 line_xdyd::yd#1 line::x0#0 ]
-zp ZP_BYTE:4 [ line_ydxi::yd#5 line_ydxi::yd#1 line_ydxi::yd#0 line_xdyi::xd#5 line_xdyi::xd#0 line_xdyi::xd#1 line_ydxd::yd#5 line_ydxd::yd#1 line_ydxd::yd#0 line_xdyd::xd#5 line_xdyd::xd#0 line_xdyd::xd#1 line::x1#0 ]
-zp ZP_BYTE:5 [ line_ydxi::y1#6 line_ydxi::y1#1 line_ydxi::y1#0 line_xdyi::x1#6 line_xdyi::x1#0 line_xdyi::x1#1 line_ydxd::y1#6 line_ydxd::y1#1 line_ydxd::y1#0 line_xdyd::x1#6 line_xdyd::x1#0 line_xdyd::x1#1 line::y0#0 ]
+zp ZP_BYTE:2 [ lines::l#2 lines::l#1 ]
+zp ZP_BYTE:3 [ line_ydxi::xd#2 line_ydxi::xd#1 line_ydxi::xd#0 line::xd#1 line_xdyi::xd#5 line_xdyi::xd#0 line_xdyi::xd#1 line::xd#0 line_ydxd::xd#2 line_ydxd::xd#1 line_ydxd::xd#0 line_xdyd::xd#5 line_xdyd::xd#0 line_xdyd::xd#1 ]
+zp ZP_BYTE:4 [ line_ydxi::yd#5 line_ydxi::yd#1 line_ydxi::yd#0 line::yd#1 line_xdyi::yd#2 line_xdyi::yd#0 line_xdyi::yd#1 line::yd#10 ]
+zp ZP_BYTE:5 [ line_ydxi::y1#6 line_ydxi::y1#1 line_ydxi::y1#0 line::y0#0 line_xdyi::y#3 line_xdyi::y#5 line_xdyi::y#0 line_xdyi::y#1 line_xdyi::y#6 line_xdyi::y#2 line_ydxd::y1#6 line_ydxd::y1#1 line_ydxd::y1#0 line_xdyd::y#3 line_xdyd::y#5 line_xdyd::y#0 line_xdyd::y#1 line_xdyd::y#6 line_xdyd::y#2 ]
 reg byte x [ line_ydxi::x#3 line_ydxi::x#5 line_ydxi::x#1 line_ydxi::x#0 line_ydxi::x#6 line_ydxi::x#2 ]
-zp ZP_BYTE:6 [ line_ydxi::y#3 line_ydxi::y#6 line_ydxi::y#1 line_ydxi::y#0 line_ydxi::y#2 line_xdyi::y#3 line_xdyi::y#5 line_xdyi::y#0 line_xdyi::y#1 line_xdyi::y#6 line_xdyi::y#2 line_ydxd::y#2 line_ydxd::y#7 line_ydxd::y#1 line_ydxd::y#0 line_ydxd::y#3 line_xdyd::y#3 line_xdyd::y#5 line_xdyd::y#0 line_xdyd::y#1 line_xdyd::y#6 line_xdyd::y#2 ]
-zp ZP_BYTE:7 [ line_ydxi::e#3 line_ydxi::e#0 line_ydxi::e#6 line_ydxi::e#2 line_ydxi::e#1 line_xdyi::e#3 line_xdyi::e#0 line_xdyi::e#6 line_xdyi::e#2 line_xdyi::e#1 line_ydxd::e#3 line_ydxd::e#0 line_ydxd::e#6 line_ydxd::e#2 line_ydxd::e#1 line_xdyd::e#3 line_xdyd::e#0 line_xdyd::e#6 line_xdyd::e#2 line_xdyd::e#1 line::xd#1 line::xd#0 ]
+zp ZP_BYTE:6 [ line_ydxi::y#3 line_ydxi::y#6 line_ydxi::y#1 line_ydxi::y#0 line_ydxi::y#2 ]
+zp ZP_BYTE:7 [ line_ydxi::e#3 line_ydxi::e#0 line_ydxi::e#6 line_ydxi::e#2 line_ydxi::e#1 ]
 reg byte x [ plot::x#4 plot::x#1 plot::x#0 plot::x#3 plot::x#2 ]
 reg byte y [ plot::y#4 plot::y#1 plot::y#0 plot::y#3 plot::y#2 ]
+zp ZP_BYTE:8 [ line_xdyi::x1#6 line_xdyi::x1#0 line_xdyi::x1#1 line::x0#0 line_xdyd::x1#6 line_xdyd::x1#0 line_xdyd::x1#1 ]
 reg byte x [ line_xdyi::x#3 line_xdyi::x#6 line_xdyi::x#0 line_xdyi::x#1 line_xdyi::x#2 ]
+zp ZP_BYTE:9 [ line_xdyi::e#3 line_xdyi::e#0 line_xdyi::e#6 line_xdyi::e#2 line_xdyi::e#1 ]
+zp ZP_BYTE:10 [ line_ydxd::yd#5 line_ydxd::yd#1 line_ydxd::yd#0 line::yd#0 line_xdyd::yd#2 line_xdyd::yd#0 line_xdyd::yd#1 line::yd#3 ]
 reg byte x [ line_ydxd::x#3 line_ydxd::x#5 line_ydxd::x#1 line_ydxd::x#0 line_ydxd::x#6 line_ydxd::x#2 ]
+zp ZP_BYTE:11 [ line_ydxd::y#2 line_ydxd::y#7 line_ydxd::y#1 line_ydxd::y#0 line_ydxd::y#3 ]
+zp ZP_BYTE:12 [ line_ydxd::e#3 line_ydxd::e#0 line_ydxd::e#6 line_ydxd::e#2 line_ydxd::e#1 ]
 reg byte x [ line_xdyd::x#3 line_xdyd::x#6 line_xdyd::x#0 line_xdyd::x#1 line_xdyd::x#2 ]
+zp ZP_BYTE:13 [ line_xdyd::e#3 line_xdyd::e#0 line_xdyd::e#6 line_xdyd::e#2 line_xdyd::e#1 ]
 reg byte x [ init_plot_tables::x#2 init_plot_tables::x#1 ]
 reg byte y [ init_plot_tables::bits#3 init_plot_tables::bits#4 init_plot_tables::bits#1 ]
 reg byte x [ init_plot_tables::y#2 init_plot_tables::y#1 ]
-zp ZP_WORD:8 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 init_screen::b#2 init_screen::b#1 init_screen::c#2 init_screen::c#1 plot::plotter_x#0 plot::$0 ]
+zp ZP_WORD:14 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 ]
+zp ZP_WORD:16 [ init_screen::b#2 init_screen::b#1 ]
+zp ZP_WORD:18 [ init_screen::c#2 init_screen::c#1 ]
+zp ZP_BYTE:20 [ line::x1#0 ]
 reg byte y [ line::y1#0 ]
-zp ZP_BYTE:10 [ line::yd#1 line::yd#0 line::yd#3 line::yd#10 line_xdyi::$6 line_xdyd::$6 ]
 reg byte y [ line_ydxi::$6 ]
-zp ZP_WORD:11 [ plot::plotter_y#0 ]
+zp ZP_WORD:21 [ plot::plotter_x#0 plot::$0 ]
+zp ZP_WORD:23 [ plot::plotter_y#0 ]
 reg byte a [ plot::$1 ]
+zp ZP_BYTE:25 [ line_xdyi::$6 ]
 reg byte y [ line_ydxd::$6 ]
+zp ZP_BYTE:26 [ line_xdyd::$6 ]
 reg byte a [ init_plot_tables::$0 ]
+zp ZP_BYTE:27 [ init_plot_tables::$6 ]
 reg byte a [ init_plot_tables::$7 ]
 reg byte a [ init_plot_tables::$8 ]
 reg byte a [ init_plot_tables::$9 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/bitmap-plotter.asm b/src/test/java/dk/camelot64/kickc/test/ref/bitmap-plotter.asm
index d28b0a426..2404741ca 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/bitmap-plotter.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/bitmap-plotter.asm
@@ -46,11 +46,11 @@ plots: {
     rts
 }
 plot: {
-    .label x = 4
-    .label y = 5
-    .label plotter_x = 2
-    .label plotter_y = 6
-    .label plotter = 2
+    .label x = 8
+    .label y = 9
+    .label plotter_x = $a
+    .label plotter_y = $c
+    .label plotter = $a
     ldy x
     lda plot_xhi,y
     sta plotter_x+1
@@ -81,7 +81,7 @@ plot: {
     rts
 }
 init_plot_tables: {
-    .label _6 = 4
+    .label _6 = $e
     .label yoffs = 2
     ldy #$80
     ldx #0
@@ -134,8 +134,8 @@ init_plot_tables: {
     rts
 }
 init_screen: {
-    .label b = 2
-    .label c = 2
+    .label b = 4
+    .label c = 6
     lda #<BITMAP
     sta b
     lda #>BITMAP
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/bitmap-plotter.log b/src/test/java/dk/camelot64/kickc/test/ref/bitmap-plotter.log
index 67f1302e5..6316b4591 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/bitmap-plotter.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/bitmap-plotter.log
@@ -2266,17 +2266,17 @@ Attempting to uplift remaining variables inzp ZP_BYTE:30 [ init_plot_tables::$6
 Uplifting [init_plot_tables] best 8251 combination zp ZP_BYTE:30 [ init_plot_tables::$6 ] 
 Attempting to uplift remaining variables inzp ZP_BYTE:12 [ plot::x#0 ]
 Uplifting [plot] best 8251 combination zp ZP_BYTE:12 [ plot::x#0 ] 
-Coalescing zero page register [ zp ZP_WORD:6 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 ] ] with [ zp ZP_WORD:8 [ init_screen::b#2 init_screen::b#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 init_screen::b#2 init_screen::b#1 ] ] with [ zp ZP_WORD:10 [ init_screen::c#2 init_screen::c#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 init_screen::b#2 init_screen::b#1 init_screen::c#2 init_screen::c#1 ] ] with [ zp ZP_WORD:15 [ plot::plotter_x#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 init_screen::b#2 init_screen::b#1 init_screen::c#2 init_screen::c#1 plot::plotter_x#1 ] ] with [ zp ZP_WORD:18 [ plot::plotter_x#2 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 init_screen::b#2 init_screen::b#1 init_screen::c#2 init_screen::c#1 plot::plotter_x#1 plot::plotter_x#2 ] ] with [ zp ZP_WORD:26 [ plot::plotter#0 ] ]
-Coalescing zero page register [ zp ZP_BYTE:12 [ plot::x#0 ] ] with [ zp ZP_BYTE:30 [ init_plot_tables::$6 ] ]
+Coalescing zero page register [ zp ZP_WORD:15 [ plot::plotter_x#1 ] ] with [ zp ZP_WORD:18 [ plot::plotter_x#2 ] ]
+Coalescing zero page register [ zp ZP_WORD:15 [ plot::plotter_x#1 plot::plotter_x#2 ] ] with [ zp ZP_WORD:26 [ plot::plotter#0 ] ]
 Coalescing zero page register [ zp ZP_WORD:21 [ plot::plotter_y#1 ] ] with [ zp ZP_WORD:24 [ plot::plotter_y#2 ] ]
-Allocated (was zp ZP_WORD:6) zp ZP_WORD:2 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 init_screen::b#2 init_screen::b#1 init_screen::c#2 init_screen::c#1 plot::plotter_x#1 plot::plotter_x#2 plot::plotter#0 ]
-Allocated (was zp ZP_BYTE:12) zp ZP_BYTE:4 [ plot::x#0 init_plot_tables::$6 ]
-Allocated (was zp ZP_BYTE:13) zp ZP_BYTE:5 [ plot::y#0 ]
-Allocated (was zp ZP_WORD:21) zp ZP_WORD:6 [ plot::plotter_y#1 plot::plotter_y#2 ]
+Allocated (was zp ZP_WORD:6) zp ZP_WORD:2 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 ]
+Allocated (was zp ZP_WORD:8) zp ZP_WORD:4 [ init_screen::b#2 init_screen::b#1 ]
+Allocated (was zp ZP_WORD:10) zp ZP_WORD:6 [ init_screen::c#2 init_screen::c#1 ]
+Allocated (was zp ZP_BYTE:12) zp ZP_BYTE:8 [ plot::x#0 ]
+Allocated (was zp ZP_BYTE:13) zp ZP_BYTE:9 [ plot::y#0 ]
+Allocated (was zp ZP_WORD:15) zp ZP_WORD:10 [ plot::plotter_x#1 plot::plotter_x#2 plot::plotter#0 ]
+Allocated (was zp ZP_WORD:21) zp ZP_WORD:12 [ plot::plotter_y#1 plot::plotter_y#2 ]
+Allocated (was zp ZP_BYTE:30) zp ZP_BYTE:14 [ init_plot_tables::$6 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -2402,11 +2402,11 @@ plots: {
 }
 //SEG44 plot
 plot: {
-    .label x = 4
-    .label y = 5
-    .label plotter_x = 2
-    .label plotter_y = 6
-    .label plotter = 2
+    .label x = 8
+    .label y = 9
+    .label plotter_x = $a
+    .label plotter_y = $c
+    .label plotter = $a
   //SEG45 [25] (byte~) plot::$6 ← *((const byte[256]) plot_xhi#0 + (byte) plot::x#0) [ plot::x#0 plot::y#0 plot::$6 ] ( main:2::plots:13::plot:21 [ plots::i#2 plot::x#0 plot::y#0 plot::$6 ] ) -- vbuaa=pbuc1_derefidx_vbuz1 
     ldy x
     lda plot_xhi,y
@@ -2455,7 +2455,7 @@ plot: {
 }
 //SEG58 init_plot_tables
 init_plot_tables: {
-    .label _6 = 4
+    .label _6 = $e
     .label yoffs = 2
   //SEG59 [38] phi from init_plot_tables to init_plot_tables::@1 [phi:init_plot_tables->init_plot_tables::@1]
   b1_from_init_plot_tables:
@@ -2578,8 +2578,8 @@ init_plot_tables: {
 }
 //SEG105 init_screen
 init_screen: {
-    .label b = 2
-    .label c = 2
+    .label b = 4
+    .label c = 6
   //SEG106 [64] phi from init_screen to init_screen::@1 [phi:init_screen->init_screen::@1]
   b1_from_init_screen:
   //SEG107 [64] phi (byte*) init_screen::b#2 = (const byte*) BITMAP#0 [phi:init_screen->init_screen::@1#0] -- pbuz1=pbuc1 
@@ -2771,7 +2771,7 @@ FINAL SYMBOL TABLE
 (void()) init_plot_tables()
 (byte~) init_plot_tables::$0 reg byte a 22.0
 (byte~) init_plot_tables::$10 reg byte a 22.0
-(byte~) init_plot_tables::$6 $6 zp ZP_BYTE:4 11.0
+(byte~) init_plot_tables::$6 $6 zp ZP_BYTE:14 11.0
 (byte~) init_plot_tables::$7 reg byte a 22.0
 (byte~) init_plot_tables::$8 reg byte a 22.0
 (byte~) init_plot_tables::$9 reg byte a 22.0
@@ -2801,11 +2801,11 @@ FINAL SYMBOL TABLE
 (label) init_screen::@2
 (label) init_screen::@return
 (byte*) init_screen::b
-(byte*) init_screen::b#1 b zp ZP_WORD:2 16.5
-(byte*) init_screen::b#2 b zp ZP_WORD:2 16.5
+(byte*) init_screen::b#1 b zp ZP_WORD:4 16.5
+(byte*) init_screen::b#2 b zp ZP_WORD:4 16.5
 (byte*) init_screen::c
-(byte*) init_screen::c#1 c zp ZP_WORD:2 16.5
-(byte*) init_screen::c#2 c zp ZP_WORD:2 16.5
+(byte*) init_screen::c#1 c zp ZP_WORD:6 16.5
+(byte*) init_screen::c#2 c zp ZP_WORD:6 16.5
 (void()) main()
 (label) main::@2
 (label) main::@3
@@ -2820,17 +2820,17 @@ FINAL SYMBOL TABLE
 (byte~) plot::$9 reg byte a 4.0
 (label) plot::@return
 (byte*) plot::plotter
-(byte*) plot::plotter#0 plotter zp ZP_WORD:2 3.0
+(byte*) plot::plotter#0 plotter zp ZP_WORD:10 3.0
 (byte*) plot::plotter_x
-(byte*) plot::plotter_x#1 plotter_x zp ZP_WORD:2 2.0
-(byte*) plot::plotter_x#2 plotter_x zp ZP_WORD:2 0.8
+(byte*) plot::plotter_x#1 plotter_x zp ZP_WORD:10 2.0
+(byte*) plot::plotter_x#2 plotter_x zp ZP_WORD:10 0.8
 (word) plot::plotter_y
-(word) plot::plotter_y#1 plotter_y zp ZP_WORD:6 2.0
-(word) plot::plotter_y#2 plotter_y zp ZP_WORD:6 4.0
+(word) plot::plotter_y#1 plotter_y zp ZP_WORD:12 2.0
+(word) plot::plotter_y#2 plotter_y zp ZP_WORD:12 4.0
 (byte) plot::x
-(byte) plot::x#0 x zp ZP_BYTE:4 9.727272727272727
+(byte) plot::x#0 x zp ZP_BYTE:8 9.727272727272727
 (byte) plot::y
-(byte) plot::y#0 y zp ZP_BYTE:5 15.000000000000002
+(byte) plot::y#0 y zp ZP_BYTE:9 15.000000000000002
 (byte[256]) plot_bit
 (const byte[256]) plot_bit#0 plot_bit = { fill( 256, 0) }
 (byte[256]) plot_xhi
@@ -2859,16 +2859,20 @@ reg byte x [ plots::i#2 plots::i#1 ]
 reg byte x [ init_plot_tables::x#2 init_plot_tables::x#1 ]
 reg byte y [ init_plot_tables::bits#3 init_plot_tables::bits#4 init_plot_tables::bits#1 ]
 reg byte x [ init_plot_tables::y#2 init_plot_tables::y#1 ]
-zp ZP_WORD:2 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 init_screen::b#2 init_screen::b#1 init_screen::c#2 init_screen::c#1 plot::plotter_x#1 plot::plotter_x#2 plot::plotter#0 ]
-zp ZP_BYTE:4 [ plot::x#0 init_plot_tables::$6 ]
-zp ZP_BYTE:5 [ plot::y#0 ]
+zp ZP_WORD:2 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 ]
+zp ZP_WORD:4 [ init_screen::b#2 init_screen::b#1 ]
+zp ZP_WORD:6 [ init_screen::c#2 init_screen::c#1 ]
+zp ZP_BYTE:8 [ plot::x#0 ]
+zp ZP_BYTE:9 [ plot::y#0 ]
 reg byte a [ plot::$6 ]
+zp ZP_WORD:10 [ plot::plotter_x#1 plot::plotter_x#2 plot::plotter#0 ]
 reg byte a [ plot::$7 ]
 reg byte a [ plot::$8 ]
-zp ZP_WORD:6 [ plot::plotter_y#1 plot::plotter_y#2 ]
+zp ZP_WORD:12 [ plot::plotter_y#1 plot::plotter_y#2 ]
 reg byte a [ plot::$9 ]
 reg byte a [ plot::$5 ]
 reg byte a [ init_plot_tables::$0 ]
+zp ZP_BYTE:14 [ init_plot_tables::$6 ]
 reg byte a [ init_plot_tables::$7 ]
 reg byte a [ init_plot_tables::$8 ]
 reg byte a [ init_plot_tables::$9 ]
@@ -2971,11 +2975,11 @@ plots: {
 }
 //SEG44 plot
 plot: {
-    .label x = 4
-    .label y = 5
-    .label plotter_x = 2
-    .label plotter_y = 6
-    .label plotter = 2
+    .label x = 8
+    .label y = 9
+    .label plotter_x = $a
+    .label plotter_y = $c
+    .label plotter = $a
   //SEG45 [25] (byte~) plot::$6 ← *((const byte[256]) plot_xhi#0 + (byte) plot::x#0) [ plot::x#0 plot::y#0 plot::$6 ] ( main:2::plots:13::plot:21 [ plots::i#2 plot::x#0 plot::y#0 plot::$6 ] ) -- vbuaa=pbuc1_derefidx_vbuz1 
     ldy x
     lda plot_xhi,y
@@ -3020,7 +3024,7 @@ plot: {
 }
 //SEG58 init_plot_tables
 init_plot_tables: {
-    .label _6 = 4
+    .label _6 = $e
     .label yoffs = 2
   //SEG59 [38] phi from init_plot_tables to init_plot_tables::@1 [phi:init_plot_tables->init_plot_tables::@1]
   //SEG60 [38] phi (byte) init_plot_tables::bits#3 = (byte/word/signed word/dword/signed dword) 128 [phi:init_plot_tables->init_plot_tables::@1#0] -- vbuyy=vbuc1 
@@ -3120,8 +3124,8 @@ init_plot_tables: {
 }
 //SEG105 init_screen
 init_screen: {
-    .label b = 2
-    .label c = 2
+    .label b = 4
+    .label c = 6
   //SEG106 [64] phi from init_screen to init_screen::@1 [phi:init_screen->init_screen::@1]
   //SEG107 [64] phi (byte*) init_screen::b#2 = (const byte*) BITMAP#0 [phi:init_screen->init_screen::@1#0] -- pbuz1=pbuc1 
     lda #<BITMAP
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/bitmap-plotter.sym b/src/test/java/dk/camelot64/kickc/test/ref/bitmap-plotter.sym
index c91d3a172..657f30a1a 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/bitmap-plotter.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/bitmap-plotter.sym
@@ -24,7 +24,7 @@
 (void()) init_plot_tables()
 (byte~) init_plot_tables::$0 reg byte a 22.0
 (byte~) init_plot_tables::$10 reg byte a 22.0
-(byte~) init_plot_tables::$6 $6 zp ZP_BYTE:4 11.0
+(byte~) init_plot_tables::$6 $6 zp ZP_BYTE:14 11.0
 (byte~) init_plot_tables::$7 reg byte a 22.0
 (byte~) init_plot_tables::$8 reg byte a 22.0
 (byte~) init_plot_tables::$9 reg byte a 22.0
@@ -54,11 +54,11 @@
 (label) init_screen::@2
 (label) init_screen::@return
 (byte*) init_screen::b
-(byte*) init_screen::b#1 b zp ZP_WORD:2 16.5
-(byte*) init_screen::b#2 b zp ZP_WORD:2 16.5
+(byte*) init_screen::b#1 b zp ZP_WORD:4 16.5
+(byte*) init_screen::b#2 b zp ZP_WORD:4 16.5
 (byte*) init_screen::c
-(byte*) init_screen::c#1 c zp ZP_WORD:2 16.5
-(byte*) init_screen::c#2 c zp ZP_WORD:2 16.5
+(byte*) init_screen::c#1 c zp ZP_WORD:6 16.5
+(byte*) init_screen::c#2 c zp ZP_WORD:6 16.5
 (void()) main()
 (label) main::@2
 (label) main::@3
@@ -73,17 +73,17 @@
 (byte~) plot::$9 reg byte a 4.0
 (label) plot::@return
 (byte*) plot::plotter
-(byte*) plot::plotter#0 plotter zp ZP_WORD:2 3.0
+(byte*) plot::plotter#0 plotter zp ZP_WORD:10 3.0
 (byte*) plot::plotter_x
-(byte*) plot::plotter_x#1 plotter_x zp ZP_WORD:2 2.0
-(byte*) plot::plotter_x#2 plotter_x zp ZP_WORD:2 0.8
+(byte*) plot::plotter_x#1 plotter_x zp ZP_WORD:10 2.0
+(byte*) plot::plotter_x#2 plotter_x zp ZP_WORD:10 0.8
 (word) plot::plotter_y
-(word) plot::plotter_y#1 plotter_y zp ZP_WORD:6 2.0
-(word) plot::plotter_y#2 plotter_y zp ZP_WORD:6 4.0
+(word) plot::plotter_y#1 plotter_y zp ZP_WORD:12 2.0
+(word) plot::plotter_y#2 plotter_y zp ZP_WORD:12 4.0
 (byte) plot::x
-(byte) plot::x#0 x zp ZP_BYTE:4 9.727272727272727
+(byte) plot::x#0 x zp ZP_BYTE:8 9.727272727272727
 (byte) plot::y
-(byte) plot::y#0 y zp ZP_BYTE:5 15.000000000000002
+(byte) plot::y#0 y zp ZP_BYTE:9 15.000000000000002
 (byte[256]) plot_bit
 (const byte[256]) plot_bit#0 plot_bit = { fill( 256, 0) }
 (byte[256]) plot_xhi
@@ -112,16 +112,20 @@ reg byte x [ plots::i#2 plots::i#1 ]
 reg byte x [ init_plot_tables::x#2 init_plot_tables::x#1 ]
 reg byte y [ init_plot_tables::bits#3 init_plot_tables::bits#4 init_plot_tables::bits#1 ]
 reg byte x [ init_plot_tables::y#2 init_plot_tables::y#1 ]
-zp ZP_WORD:2 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 init_screen::b#2 init_screen::b#1 init_screen::c#2 init_screen::c#1 plot::plotter_x#1 plot::plotter_x#2 plot::plotter#0 ]
-zp ZP_BYTE:4 [ plot::x#0 init_plot_tables::$6 ]
-zp ZP_BYTE:5 [ plot::y#0 ]
+zp ZP_WORD:2 [ init_plot_tables::yoffs#2 init_plot_tables::yoffs#4 init_plot_tables::yoffs#1 ]
+zp ZP_WORD:4 [ init_screen::b#2 init_screen::b#1 ]
+zp ZP_WORD:6 [ init_screen::c#2 init_screen::c#1 ]
+zp ZP_BYTE:8 [ plot::x#0 ]
+zp ZP_BYTE:9 [ plot::y#0 ]
 reg byte a [ plot::$6 ]
+zp ZP_WORD:10 [ plot::plotter_x#1 plot::plotter_x#2 plot::plotter#0 ]
 reg byte a [ plot::$7 ]
 reg byte a [ plot::$8 ]
-zp ZP_WORD:6 [ plot::plotter_y#1 plot::plotter_y#2 ]
+zp ZP_WORD:12 [ plot::plotter_y#1 plot::plotter_y#2 ]
 reg byte a [ plot::$9 ]
 reg byte a [ plot::$5 ]
 reg byte a [ init_plot_tables::$0 ]
+zp ZP_BYTE:14 [ init_plot_tables::$6 ]
 reg byte a [ init_plot_tables::$7 ]
 reg byte a [ init_plot_tables::$8 ]
 reg byte a [ init_plot_tables::$9 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/constants.asm b/src/test/java/dk/camelot64/kickc/test/ref/constants.asm
index 51dd6bb4e..57f51ad5e 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/constants.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/constants.asm
@@ -4,7 +4,7 @@
   .label BGCOL = $d021
   .const GREEN = 5
   .const RED = 2
-  .label char_cursor = 2
+  .label char_cursor = 5
   .label line_cursor = 7
   jsr main
 main: {
@@ -71,10 +71,6 @@ test_sbytes: {
 assert_sbyte: {
     .label msg = 2
     .label c = 4
-    lda msg
-    sta print_str.str
-    lda msg+1
-    sta print_str.str+1
     lda line_cursor
     sta char_cursor
     lda line_cursor+1
@@ -109,7 +105,7 @@ assert_sbyte: {
     str2: .text "fail!@"
 }
 print_str: {
-    .label str = 5
+    .label str = 2
   b1:
     ldy #0
     lda (str),y
@@ -199,8 +195,8 @@ test_bytes: {
     msg2: .text "0+2-4=254@"
 }
 assert_byte: {
-    .label msg = 5
-    .label c = 4
+    .label msg = 2
+    .label c = 9
     jsr print_str
     lda #<str
     sta print_str.str
@@ -231,7 +227,7 @@ assert_byte: {
     str2: .text "fail!@"
 }
 print_cls: {
-    .label sc = 2
+    .label sc = $a
     lda #<$400
     sta sc
     lda #>$400
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/constants.log b/src/test/java/dk/camelot64/kickc/test/ref/constants.log
index 1c659a601..b0fd9c6ac 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/constants.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/constants.log
@@ -2991,13 +2991,13 @@ Attempting to uplift remaining variables inzp ZP_BYTE:15 [ assert_byte::c#3 ]
 Uplifting [assert_byte] best 2175 combination zp ZP_BYTE:15 [ assert_byte::c#3 ] 
 Attempting to uplift remaining variables inzp ZP_BYTE:5 [ assert_sbyte::c#5 ]
 Uplifting [assert_sbyte] best 2175 combination zp ZP_BYTE:5 [ assert_sbyte::c#5 ] 
-Coalescing zero page register [ zp ZP_WORD:2 [ assert_sbyte::msg#5 ] ] with [ zp ZP_WORD:6 [ char_cursor#75 char_cursor#65 char_cursor#2 char_cursor#82 char_cursor#1 char_cursor#88 char_cursor#89 ] ]
-Coalescing zero page register [ zp ZP_WORD:2 [ assert_sbyte::msg#5 char_cursor#75 char_cursor#65 char_cursor#2 char_cursor#82 char_cursor#1 char_cursor#88 char_cursor#89 ] ] with [ zp ZP_WORD:16 [ print_cls::sc#2 print_cls::sc#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:5 [ assert_sbyte::c#5 ] ] with [ zp ZP_BYTE:15 [ assert_byte::c#3 ] ]
-Coalescing zero page register [ zp ZP_WORD:8 [ print_str::str#10 print_str::str#11 print_str::str#1 print_str::str#5 print_str::str#0 ] ] with [ zp ZP_WORD:12 [ assert_byte::msg#3 ] ]
-Allocated (was zp ZP_BYTE:5) zp ZP_BYTE:4 [ assert_sbyte::c#5 assert_byte::c#3 ]
-Allocated (was zp ZP_WORD:8) zp ZP_WORD:5 [ print_str::str#10 print_str::str#11 print_str::str#1 print_str::str#5 print_str::str#0 assert_byte::msg#3 ]
+Coalescing zero page register [ zp ZP_WORD:2 [ assert_sbyte::msg#5 ] ] with [ zp ZP_WORD:8 [ print_str::str#10 print_str::str#11 print_str::str#1 print_str::str#5 print_str::str#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:2 [ assert_sbyte::msg#5 print_str::str#10 print_str::str#11 print_str::str#1 print_str::str#5 print_str::str#0 ] ] with [ zp ZP_WORD:12 [ assert_byte::msg#3 ] ]
+Allocated (was zp ZP_BYTE:5) zp ZP_BYTE:4 [ assert_sbyte::c#5 ]
+Allocated (was zp ZP_WORD:6) zp ZP_WORD:5 [ char_cursor#75 char_cursor#65 char_cursor#2 char_cursor#82 char_cursor#1 char_cursor#88 char_cursor#89 ]
 Allocated (was zp ZP_WORD:10) zp ZP_WORD:7 [ line_cursor#21 line_cursor#42 line_cursor#45 line_cursor#1 ]
+Allocated (was zp ZP_BYTE:15) zp ZP_BYTE:9 [ assert_byte::c#3 ]
+Allocated (was zp ZP_WORD:16) zp ZP_WORD:10 [ print_cls::sc#2 print_cls::sc#1 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -3008,7 +3008,7 @@ ASSEMBLER BEFORE OPTIMIZATION
   .label BGCOL = $d021
   .const GREEN = 5
   .const RED = 2
-  .label char_cursor = 2
+  .label char_cursor = 5
   .label line_cursor = 7
 //SEG2 @begin
 bbegin:
@@ -3169,11 +3169,8 @@ test_sbytes: {
 assert_sbyte: {
     .label msg = 2
     .label c = 4
-  //SEG59 [23] (byte*) print_str::str#5 ← (byte*) assert_sbyte::msg#5 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] ( main:2::test_sbytes:9::assert_sbyte:12 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:14 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:16 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:18 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:20 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] ) -- pbuz1=pbuz2 
-    lda msg
-    sta print_str.str
-    lda msg+1
-    sta print_str.str+1
+  //SEG59 [23] (byte*) print_str::str#5 ← (byte*) assert_sbyte::msg#5 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] ( main:2::test_sbytes:9::assert_sbyte:12 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:14 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:16 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:18 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:20 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] )
+    // (byte*) print_str::str#5 = (byte*) assert_sbyte::msg#5  // register copy zp ZP_WORD:2
   //SEG60 [24] (byte*~) char_cursor#82 ← (byte*) line_cursor#1 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 char_cursor#82 line_cursor#1 ] ( main:2::test_sbytes:9::assert_sbyte:12 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 char_cursor#82 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:14 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 char_cursor#82 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:16 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 char_cursor#82 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:18 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 char_cursor#82 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:20 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 char_cursor#82 line_cursor#1 ] ) -- pbuz1=pbuz2 
     lda line_cursor
     sta char_cursor
@@ -3260,7 +3257,7 @@ assert_sbyte: {
 }
 //SEG92 print_str
 print_str: {
-    .label str = 5
+    .label str = 2
   //SEG93 [37] phi from print_str print_str::@2 to print_str::@1 [phi:print_str/print_str::@2->print_str::@1]
   b1_from_print_str:
   b1_from_b2:
@@ -3418,10 +3415,10 @@ test_bytes: {
 }
 //SEG140 assert_byte
 assert_byte: {
-    .label msg = 5
-    .label c = 4
+    .label msg = 2
+    .label c = 9
   //SEG141 [56] (byte*) print_str::str#1 ← (byte*) assert_byte::msg#3 [ print_str::str#1 char_cursor#65 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] ( main:2::test_bytes:7::assert_byte:49 [ print_str::str#1 char_cursor#65 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] main:2::test_bytes:7::assert_byte:51 [ print_str::str#1 char_cursor#65 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] main:2::test_bytes:7::assert_byte:53 [ print_str::str#1 char_cursor#65 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] )
-    // (byte*) print_str::str#1 = (byte*) assert_byte::msg#3  // register copy zp ZP_WORD:5
+    // (byte*) print_str::str#1 = (byte*) assert_byte::msg#3  // register copy zp ZP_WORD:2
   //SEG142 [57] call print_str param-assignment [ char_cursor#2 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] ( main:2::test_bytes:7::assert_byte:49 [ char_cursor#2 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] main:2::test_bytes:7::assert_byte:51 [ char_cursor#2 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] main:2::test_bytes:7::assert_byte:53 [ char_cursor#2 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] )
   //SEG143 [36] phi from assert_byte to print_str [phi:assert_byte->print_str]
   print_str_from_assert_byte:
@@ -3503,7 +3500,7 @@ assert_byte: {
 }
 //SEG173 print_cls
 print_cls: {
-    .label sc = 2
+    .label sc = $a
   //SEG174 [69] phi from print_cls to print_cls::@1 [phi:print_cls->print_cls::@1]
   b1_from_print_cls:
   //SEG175 [69] phi (byte*) print_cls::sc#2 = ((byte*))(word/signed word/dword/signed dword) 1024 [phi:print_cls->print_cls::@1#0] -- pbuz1=pbuc1 
@@ -3678,9 +3675,9 @@ FINAL SYMBOL TABLE
 (byte) assert_byte::b
 (byte) assert_byte::b#3 reg byte x 0.4
 (byte) assert_byte::c
-(byte) assert_byte::c#3 c zp ZP_BYTE:4 0.4
+(byte) assert_byte::c#3 c zp ZP_BYTE:9 0.4
 (byte*) assert_byte::msg
-(byte*) assert_byte::msg#3 msg zp ZP_WORD:5 2.0
+(byte*) assert_byte::msg#3 msg zp ZP_WORD:2 2.0
 (const string) assert_byte::str str = (string) " @"
 (const string) assert_byte::str1 str1 = (string) "ok@"
 (const string) assert_byte::str2 str2 = (string) "fail!@"
@@ -3701,13 +3698,13 @@ FINAL SYMBOL TABLE
 (const string) assert_sbyte::str1 str1 = (string) "ok@"
 (const string) assert_sbyte::str2 str2 = (string) "fail!@"
 (byte*) char_cursor
-(byte*) char_cursor#1 char_cursor zp ZP_WORD:2 11.0
-(byte*) char_cursor#2 char_cursor zp ZP_WORD:2 2.230769230769231
-(byte*) char_cursor#65 char_cursor zp ZP_WORD:2 3.0
-(byte*) char_cursor#75 char_cursor zp ZP_WORD:2 18.0
-(byte*~) char_cursor#82 char_cursor zp ZP_WORD:2 4.0
-(byte*~) char_cursor#88 char_cursor zp ZP_WORD:2 4.0
-(byte*~) char_cursor#89 char_cursor zp ZP_WORD:2 4.0
+(byte*) char_cursor#1 char_cursor zp ZP_WORD:5 11.0
+(byte*) char_cursor#2 char_cursor zp ZP_WORD:5 2.230769230769231
+(byte*) char_cursor#65 char_cursor zp ZP_WORD:5 3.0
+(byte*) char_cursor#75 char_cursor zp ZP_WORD:5 18.0
+(byte*~) char_cursor#82 char_cursor zp ZP_WORD:5 4.0
+(byte*~) char_cursor#88 char_cursor zp ZP_WORD:5 4.0
+(byte*~) char_cursor#89 char_cursor zp ZP_WORD:5 4.0
 (byte*) line_cursor
 (byte*) line_cursor#1 line_cursor zp ZP_WORD:7 1.2500000000000002
 (byte*) line_cursor#21 line_cursor zp ZP_WORD:7 24.0
@@ -3721,8 +3718,8 @@ FINAL SYMBOL TABLE
 (label) print_cls::@1
 (label) print_cls::@return
 (byte*) print_cls::sc
-(byte*) print_cls::sc#1 sc zp ZP_WORD:2 16.5
-(byte*) print_cls::sc#2 sc zp ZP_WORD:2 16.5
+(byte*) print_cls::sc#1 sc zp ZP_WORD:10 16.5
+(byte*) print_cls::sc#2 sc zp ZP_WORD:10 16.5
 (void()) print_ln()
 (label) print_ln::@1
 (label) print_ln::@return
@@ -3731,11 +3728,11 @@ FINAL SYMBOL TABLE
 (label) print_str::@2
 (label) print_str::@return
 (byte*) print_str::str
-(byte*) print_str::str#0 str zp ZP_WORD:5 22.0
-(byte*) print_str::str#1 str zp ZP_WORD:5 4.0
-(byte*) print_str::str#10 str zp ZP_WORD:5 11.5
-(byte*) print_str::str#11 str zp ZP_WORD:5 6.0
-(byte*) print_str::str#5 str zp ZP_WORD:5 2.0
+(byte*) print_str::str#0 str zp ZP_WORD:2 22.0
+(byte*) print_str::str#1 str zp ZP_WORD:2 4.0
+(byte*) print_str::str#10 str zp ZP_WORD:2 11.5
+(byte*) print_str::str#11 str zp ZP_WORD:2 6.0
+(byte*) print_str::str#5 str zp ZP_WORD:2 2.0
 (void()) test_bytes()
 (label) test_bytes::@1
 (label) test_bytes::@2
@@ -3771,16 +3768,18 @@ FINAL SYMBOL TABLE
 (const string) test_sbytes::msg3 msg3 = (string) "-(0+2-4)=2@"
 (const string) test_sbytes::msg4 msg4 = (string) "-127-127=2@"
 
-zp ZP_WORD:2 [ assert_sbyte::msg#5 char_cursor#75 char_cursor#65 char_cursor#2 char_cursor#82 char_cursor#1 char_cursor#88 char_cursor#89 print_cls::sc#2 print_cls::sc#1 ]
+zp ZP_WORD:2 [ assert_sbyte::msg#5 print_str::str#10 print_str::str#11 print_str::str#1 print_str::str#5 print_str::str#0 assert_byte::msg#3 ]
 reg byte x [ assert_sbyte::b#5 ]
-zp ZP_BYTE:4 [ assert_sbyte::c#5 assert_byte::c#3 ]
-zp ZP_WORD:5 [ print_str::str#10 print_str::str#11 print_str::str#1 print_str::str#5 print_str::str#0 assert_byte::msg#3 ]
+zp ZP_BYTE:4 [ assert_sbyte::c#5 ]
+zp ZP_WORD:5 [ char_cursor#75 char_cursor#65 char_cursor#2 char_cursor#82 char_cursor#1 char_cursor#88 char_cursor#89 ]
 zp ZP_WORD:7 [ line_cursor#21 line_cursor#42 line_cursor#45 line_cursor#1 ]
 reg byte x [ assert_byte::b#3 ]
+zp ZP_BYTE:9 [ assert_byte::c#3 ]
+zp ZP_WORD:10 [ print_cls::sc#2 print_cls::sc#1 ]
 
 
 FINAL ASSEMBLER
-Score: 1858
+Score: 1846
 
 //SEG0 Basic Upstart
 .pc = $801 "Basic"
@@ -3790,7 +3789,7 @@ Score: 1858
   .label BGCOL = $d021
   .const GREEN = 5
   .const RED = 2
-  .label char_cursor = 2
+  .label char_cursor = 5
   .label line_cursor = 7
 //SEG2 @begin
 //SEG3 [1] phi from @begin to @13 [phi:@begin->@13]
@@ -3914,11 +3913,8 @@ test_sbytes: {
 assert_sbyte: {
     .label msg = 2
     .label c = 4
-  //SEG59 [23] (byte*) print_str::str#5 ← (byte*) assert_sbyte::msg#5 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] ( main:2::test_sbytes:9::assert_sbyte:12 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:14 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:16 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:18 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:20 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] ) -- pbuz1=pbuz2 
-    lda msg
-    sta print_str.str
-    lda msg+1
-    sta print_str.str+1
+  //SEG59 [23] (byte*) print_str::str#5 ← (byte*) assert_sbyte::msg#5 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] ( main:2::test_sbytes:9::assert_sbyte:12 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:14 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:16 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:18 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:20 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 line_cursor#1 ] )
+    // (byte*) print_str::str#5 = (byte*) assert_sbyte::msg#5  // register copy zp ZP_WORD:2
   //SEG60 [24] (byte*~) char_cursor#82 ← (byte*) line_cursor#1 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 char_cursor#82 line_cursor#1 ] ( main:2::test_sbytes:9::assert_sbyte:12 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 char_cursor#82 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:14 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 char_cursor#82 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:16 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 char_cursor#82 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:18 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 char_cursor#82 line_cursor#1 ] main:2::test_sbytes:9::assert_sbyte:20 [ assert_sbyte::b#5 assert_sbyte::c#5 print_str::str#5 char_cursor#82 line_cursor#1 ] ) -- pbuz1=pbuz2 
     lda line_cursor
     sta char_cursor
@@ -3986,7 +3982,7 @@ assert_sbyte: {
 }
 //SEG92 print_str
 print_str: {
-    .label str = 5
+    .label str = 2
   //SEG93 [37] phi from print_str print_str::@2 to print_str::@1 [phi:print_str/print_str::@2->print_str::@1]
   //SEG94 [37] phi (byte*) char_cursor#2 = (byte*) char_cursor#75 [phi:print_str/print_str::@2->print_str::@1#0] -- register_copy 
   //SEG95 [37] phi (byte*) print_str::str#10 = (byte*) print_str::str#11 [phi:print_str/print_str::@2->print_str::@1#1] -- register_copy 
@@ -4124,10 +4120,10 @@ test_bytes: {
 }
 //SEG140 assert_byte
 assert_byte: {
-    .label msg = 5
-    .label c = 4
+    .label msg = 2
+    .label c = 9
   //SEG141 [56] (byte*) print_str::str#1 ← (byte*) assert_byte::msg#3 [ print_str::str#1 char_cursor#65 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] ( main:2::test_bytes:7::assert_byte:49 [ print_str::str#1 char_cursor#65 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] main:2::test_bytes:7::assert_byte:51 [ print_str::str#1 char_cursor#65 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] main:2::test_bytes:7::assert_byte:53 [ print_str::str#1 char_cursor#65 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] )
-    // (byte*) print_str::str#1 = (byte*) assert_byte::msg#3  // register copy zp ZP_WORD:5
+    // (byte*) print_str::str#1 = (byte*) assert_byte::msg#3  // register copy zp ZP_WORD:2
   //SEG142 [57] call print_str param-assignment [ char_cursor#2 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] ( main:2::test_bytes:7::assert_byte:49 [ char_cursor#2 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] main:2::test_bytes:7::assert_byte:51 [ char_cursor#2 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] main:2::test_bytes:7::assert_byte:53 [ char_cursor#2 line_cursor#45 assert_byte::b#3 assert_byte::c#3 ] )
   //SEG143 [36] phi from assert_byte to print_str [phi:assert_byte->print_str]
   //SEG144 [36] phi (byte*) char_cursor#75 = (byte*) char_cursor#65 [phi:assert_byte->print_str#0] -- register_copy 
@@ -4190,7 +4186,7 @@ assert_byte: {
 }
 //SEG173 print_cls
 print_cls: {
-    .label sc = 2
+    .label sc = $a
   //SEG174 [69] phi from print_cls to print_cls::@1 [phi:print_cls->print_cls::@1]
   //SEG175 [69] phi (byte*) print_cls::sc#2 = ((byte*))(word/signed word/dword/signed dword) 1024 [phi:print_cls->print_cls::@1#0] -- pbuz1=pbuc1 
     lda #<$400
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/constants.sym b/src/test/java/dk/camelot64/kickc/test/ref/constants.sym
index 8c6ad8a01..2d82f90f1 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/constants.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/constants.sym
@@ -17,9 +17,9 @@
 (byte) assert_byte::b
 (byte) assert_byte::b#3 reg byte x 0.4
 (byte) assert_byte::c
-(byte) assert_byte::c#3 c zp ZP_BYTE:4 0.4
+(byte) assert_byte::c#3 c zp ZP_BYTE:9 0.4
 (byte*) assert_byte::msg
-(byte*) assert_byte::msg#3 msg zp ZP_WORD:5 2.0
+(byte*) assert_byte::msg#3 msg zp ZP_WORD:2 2.0
 (const string) assert_byte::str str = (string) " @"
 (const string) assert_byte::str1 str1 = (string) "ok@"
 (const string) assert_byte::str2 str2 = (string) "fail!@"
@@ -40,13 +40,13 @@
 (const string) assert_sbyte::str1 str1 = (string) "ok@"
 (const string) assert_sbyte::str2 str2 = (string) "fail!@"
 (byte*) char_cursor
-(byte*) char_cursor#1 char_cursor zp ZP_WORD:2 11.0
-(byte*) char_cursor#2 char_cursor zp ZP_WORD:2 2.230769230769231
-(byte*) char_cursor#65 char_cursor zp ZP_WORD:2 3.0
-(byte*) char_cursor#75 char_cursor zp ZP_WORD:2 18.0
-(byte*~) char_cursor#82 char_cursor zp ZP_WORD:2 4.0
-(byte*~) char_cursor#88 char_cursor zp ZP_WORD:2 4.0
-(byte*~) char_cursor#89 char_cursor zp ZP_WORD:2 4.0
+(byte*) char_cursor#1 char_cursor zp ZP_WORD:5 11.0
+(byte*) char_cursor#2 char_cursor zp ZP_WORD:5 2.230769230769231
+(byte*) char_cursor#65 char_cursor zp ZP_WORD:5 3.0
+(byte*) char_cursor#75 char_cursor zp ZP_WORD:5 18.0
+(byte*~) char_cursor#82 char_cursor zp ZP_WORD:5 4.0
+(byte*~) char_cursor#88 char_cursor zp ZP_WORD:5 4.0
+(byte*~) char_cursor#89 char_cursor zp ZP_WORD:5 4.0
 (byte*) line_cursor
 (byte*) line_cursor#1 line_cursor zp ZP_WORD:7 1.2500000000000002
 (byte*) line_cursor#21 line_cursor zp ZP_WORD:7 24.0
@@ -60,8 +60,8 @@
 (label) print_cls::@1
 (label) print_cls::@return
 (byte*) print_cls::sc
-(byte*) print_cls::sc#1 sc zp ZP_WORD:2 16.5
-(byte*) print_cls::sc#2 sc zp ZP_WORD:2 16.5
+(byte*) print_cls::sc#1 sc zp ZP_WORD:10 16.5
+(byte*) print_cls::sc#2 sc zp ZP_WORD:10 16.5
 (void()) print_ln()
 (label) print_ln::@1
 (label) print_ln::@return
@@ -70,11 +70,11 @@
 (label) print_str::@2
 (label) print_str::@return
 (byte*) print_str::str
-(byte*) print_str::str#0 str zp ZP_WORD:5 22.0
-(byte*) print_str::str#1 str zp ZP_WORD:5 4.0
-(byte*) print_str::str#10 str zp ZP_WORD:5 11.5
-(byte*) print_str::str#11 str zp ZP_WORD:5 6.0
-(byte*) print_str::str#5 str zp ZP_WORD:5 2.0
+(byte*) print_str::str#0 str zp ZP_WORD:2 22.0
+(byte*) print_str::str#1 str zp ZP_WORD:2 4.0
+(byte*) print_str::str#10 str zp ZP_WORD:2 11.5
+(byte*) print_str::str#11 str zp ZP_WORD:2 6.0
+(byte*) print_str::str#5 str zp ZP_WORD:2 2.0
 (void()) test_bytes()
 (label) test_bytes::@1
 (label) test_bytes::@2
@@ -110,9 +110,11 @@
 (const string) test_sbytes::msg3 msg3 = (string) "-(0+2-4)=2@"
 (const string) test_sbytes::msg4 msg4 = (string) "-127-127=2@"
 
-zp ZP_WORD:2 [ assert_sbyte::msg#5 char_cursor#75 char_cursor#65 char_cursor#2 char_cursor#82 char_cursor#1 char_cursor#88 char_cursor#89 print_cls::sc#2 print_cls::sc#1 ]
+zp ZP_WORD:2 [ assert_sbyte::msg#5 print_str::str#10 print_str::str#11 print_str::str#1 print_str::str#5 print_str::str#0 assert_byte::msg#3 ]
 reg byte x [ assert_sbyte::b#5 ]
-zp ZP_BYTE:4 [ assert_sbyte::c#5 assert_byte::c#3 ]
-zp ZP_WORD:5 [ print_str::str#10 print_str::str#11 print_str::str#1 print_str::str#5 print_str::str#0 assert_byte::msg#3 ]
+zp ZP_BYTE:4 [ assert_sbyte::c#5 ]
+zp ZP_WORD:5 [ char_cursor#75 char_cursor#65 char_cursor#2 char_cursor#82 char_cursor#1 char_cursor#88 char_cursor#89 ]
 zp ZP_WORD:7 [ line_cursor#21 line_cursor#42 line_cursor#45 line_cursor#1 ]
 reg byte x [ assert_byte::b#3 ]
+zp ZP_BYTE:9 [ assert_byte::c#3 ]
+zp ZP_WORD:10 [ print_cls::sc#2 print_cls::sc#1 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/division.asm b/src/test/java/dk/camelot64/kickc/test/ref/division.asm
index b4c9a2b44..123c01ee1 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/division.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/division.asm
@@ -3,7 +3,7 @@
 .pc = $80d "Program"
   .label char_cursor = 7
   .label line_cursor = 3
-  .label rem16u = 9
+  .label rem16u = $b
   jsr main
 main: {
     jsr print_cls
@@ -12,9 +12,9 @@ main: {
     rts
 }
 test_16u: {
-    .label dividend = $d
-    .label divisor = $f
-    .label res = $11
+    .label dividend = 5
+    .label divisor = $16
+    .label res = $f
     .label i = 2
     lda #0
     sta rem16u
@@ -35,18 +35,6 @@ test_16u: {
     lda dividend+1
     sta div16u.dividend+1
     jsr div16u
-    lda div16u.return_1
-    sta div16u.return
-    lda div16u.return_1+1
-    sta div16u.return+1
-    lda div16u.return
-    sta res
-    lda div16u.return+1
-    sta res+1
-    lda dividend
-    sta print_word.w
-    lda dividend+1
-    sta print_word.w+1
     lda line_cursor
     sta char_cursor
     lda line_cursor+1
@@ -152,7 +140,7 @@ print_char: {
     rts
 }
 print_str: {
-    .label str = 5
+    .label str = 9
   b1:
     ldy #0
     lda (str),y
@@ -174,12 +162,11 @@ print_str: {
     jmp b1
 }
 div16u: {
-    .label dividend = 5
-    .label divisor = $f
-    .label return = 5
-    .label rem = 9
-    .label quotient = 7
-    .label return_1 = 7
+    .label dividend = $d
+    .label divisor = $16
+    .label return = $f
+    .label rem = $b
+    .label quotient = $f
     ldx #0
     txa
     sta quotient
@@ -229,10 +216,10 @@ div16u: {
 }
 test_8u: {
     .label rem = $ff
-    .label dividend = $13
-    .label divisor = $14
-    .label res = $b
-    .label i = 2
+    .label dividend = $18
+    .label divisor = $19
+    .label res = $1a
+    .label i = $11
     lda #<$400
     sta line_cursor
     lda #>$400
@@ -296,10 +283,10 @@ test_8u: {
     divisors: .byte 5, 7, $b, $d, $11, $13
 }
 div8u: {
-    .label dividend = $b
-    .label divisor = $14
-    .label quotient = $c
-    .label return = $c
+    .label dividend = $12
+    .label divisor = $19
+    .label quotient = $13
+    .label return = $13
     ldx #0
     txa
     sta quotient
@@ -331,7 +318,7 @@ div8u: {
     rts
 }
 print_cls: {
-    .label sc = 3
+    .label sc = $14
     lda #<$400
     sta sc
     lda #>$400
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/division.log b/src/test/java/dk/camelot64/kickc/test/ref/division.log
index b650bf9f3..3d493e310 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/division.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/division.log
@@ -4384,24 +4384,24 @@ Attempting to uplift remaining variables inzp ZP_BYTE:42 [ test_8u::divisor#0 ]
 Uplifting [test_8u] best 38374 combination zp ZP_BYTE:42 [ test_8u::divisor#0 ] 
 Attempting to uplift remaining variables inzp ZP_BYTE:45 [ test_8u::res#0 ]
 Uplifting [test_8u] best 38374 combination zp ZP_BYTE:45 [ test_8u::res#0 ] 
-Coalescing zero page register [ zp ZP_BYTE:2 [ test_16u::i#10 test_16u::i#1 ] ] with [ zp ZP_BYTE:20 [ test_8u::i#10 test_8u::i#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:3 [ line_cursor#11 line_cursor#22 line_cursor#1 line_cursor#25 ] ] with [ zp ZP_WORD:25 [ print_cls::sc#2 print_cls::sc#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:5 [ print_word::w#4 print_word::w#0 print_word::w#1 print_word::w#2 print_word::w#3 ] ] with [ zp ZP_WORD:11 [ print_str::str#7 print_str::str#9 print_str::str#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:5 [ print_word::w#4 print_word::w#0 print_word::w#1 print_word::w#2 print_word::w#3 print_str::str#7 print_str::str#9 print_str::str#0 ] ] with [ zp ZP_WORD:15 [ div16u::dividend#2 div16u::dividend#0 div16u::dividend#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:5 [ print_word::w#4 print_word::w#0 print_word::w#1 print_word::w#2 print_word::w#3 print_str::str#7 print_str::str#9 print_str::str#0 div16u::dividend#2 div16u::dividend#0 div16u::dividend#1 ] ] with [ zp ZP_WORD:33 [ div16u::return#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:9 [ char_cursor#45 char_cursor#72 char_cursor#71 char_cursor#84 char_cursor#2 char_cursor#11 char_cursor#75 char_cursor#1 char_cursor#98 ] ] with [ zp ZP_WORD:17 [ div16u::quotient#3 div16u::return#1 div16u::quotient#1 div16u::quotient#2 ] ]
-Coalescing zero page register [ zp ZP_BYTE:22 [ div8u::dividend#2 div8u::dividend#0 div8u::dividend#1 ] ] with [ zp ZP_BYTE:45 [ test_8u::res#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:5 [ print_word::w#4 print_word::w#0 print_word::w#1 print_word::w#2 print_word::w#3 ] ] with [ zp ZP_WORD:27 [ test_16u::dividend#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:17 [ div16u::quotient#3 div16u::return#1 div16u::quotient#1 div16u::quotient#2 ] ] with [ zp ZP_WORD:33 [ div16u::return#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:17 [ div16u::quotient#3 div16u::return#1 div16u::quotient#1 div16u::quotient#2 div16u::return#0 ] ] with [ zp ZP_WORD:35 [ test_16u::res#0 ] ]
 Coalescing zero page register [ zp ZP_WORD:29 [ test_16u::divisor#0 ] ] with [ zp ZP_WORD:31 [ div16u::divisor#0 ] ]
 Coalescing zero page register [ zp ZP_BYTE:42 [ test_8u::divisor#0 ] ] with [ zp ZP_BYTE:43 [ div8u::divisor#0 ] ]
-Allocated (was zp ZP_WORD:9) zp ZP_WORD:7 [ char_cursor#45 char_cursor#72 char_cursor#71 char_cursor#84 char_cursor#2 char_cursor#11 char_cursor#75 char_cursor#1 char_cursor#98 div16u::quotient#3 div16u::return#1 div16u::quotient#1 div16u::quotient#2 ]
-Allocated (was zp ZP_WORD:13) zp ZP_WORD:9 [ div16u::rem#4 rem16u#16 div16u::rem#8 div16u::rem#5 div16u::rem#1 div16u::rem#2 div16u::rem#3 ]
-Allocated (was zp ZP_BYTE:22) zp ZP_BYTE:11 [ div8u::dividend#2 div8u::dividend#0 div8u::dividend#1 test_8u::res#0 ]
-Allocated (was zp ZP_BYTE:23) zp ZP_BYTE:12 [ div8u::quotient#3 div8u::return#1 div8u::quotient#1 div8u::quotient#2 ]
-Allocated (was zp ZP_WORD:27) zp ZP_WORD:13 [ test_16u::dividend#0 ]
-Allocated (was zp ZP_WORD:29) zp ZP_WORD:15 [ test_16u::divisor#0 div16u::divisor#0 ]
-Allocated (was zp ZP_WORD:35) zp ZP_WORD:17 [ test_16u::res#0 ]
-Allocated (was zp ZP_BYTE:41) zp ZP_BYTE:19 [ test_8u::dividend#0 ]
-Allocated (was zp ZP_BYTE:42) zp ZP_BYTE:20 [ test_8u::divisor#0 div8u::divisor#0 ]
+Allocated (was zp ZP_WORD:9) zp ZP_WORD:7 [ char_cursor#45 char_cursor#72 char_cursor#71 char_cursor#84 char_cursor#2 char_cursor#11 char_cursor#75 char_cursor#1 char_cursor#98 ]
+Allocated (was zp ZP_WORD:11) zp ZP_WORD:9 [ print_str::str#7 print_str::str#9 print_str::str#0 ]
+Allocated (was zp ZP_WORD:13) zp ZP_WORD:11 [ div16u::rem#4 rem16u#16 div16u::rem#8 div16u::rem#5 div16u::rem#1 div16u::rem#2 div16u::rem#3 ]
+Allocated (was zp ZP_WORD:15) zp ZP_WORD:13 [ div16u::dividend#2 div16u::dividend#0 div16u::dividend#1 ]
+Allocated (was zp ZP_WORD:17) zp ZP_WORD:15 [ div16u::quotient#3 div16u::return#1 div16u::quotient#1 div16u::quotient#2 div16u::return#0 test_16u::res#0 ]
+Allocated (was zp ZP_BYTE:20) zp ZP_BYTE:17 [ test_8u::i#10 test_8u::i#1 ]
+Allocated (was zp ZP_BYTE:22) zp ZP_BYTE:18 [ div8u::dividend#2 div8u::dividend#0 div8u::dividend#1 ]
+Allocated (was zp ZP_BYTE:23) zp ZP_BYTE:19 [ div8u::quotient#3 div8u::return#1 div8u::quotient#1 div8u::quotient#2 ]
+Allocated (was zp ZP_WORD:25) zp ZP_WORD:20 [ print_cls::sc#2 print_cls::sc#1 ]
+Allocated (was zp ZP_WORD:29) zp ZP_WORD:22 [ test_16u::divisor#0 div16u::divisor#0 ]
+Allocated (was zp ZP_BYTE:41) zp ZP_BYTE:24 [ test_8u::dividend#0 ]
+Allocated (was zp ZP_BYTE:42) zp ZP_BYTE:25 [ test_8u::divisor#0 div8u::divisor#0 ]
+Allocated (was zp ZP_BYTE:45) zp ZP_BYTE:26 [ test_8u::res#0 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -4411,7 +4411,7 @@ ASSEMBLER BEFORE OPTIMIZATION
 //SEG1 Global Constants & labels
   .label char_cursor = 7
   .label line_cursor = 3
-  .label rem16u = 9
+  .label rem16u = $b
 //SEG2 @begin
 bbegin:
 //SEG3 [1] phi from @begin to @13 [phi:@begin->@13]
@@ -4460,9 +4460,9 @@ main: {
 }
 //SEG22 test_16u
 test_16u: {
-    .label dividend = $d
-    .label divisor = $f
-    .label res = $11
+    .label dividend = 5
+    .label divisor = $16
+    .label res = $f
     .label i = 2
   //SEG23 [12] phi from test_16u to test_16u::@1 [phi:test_16u->test_16u::@1]
   b1_from_test_16u:
@@ -4500,29 +4500,20 @@ test_16u: {
     lda dividend+1
     sta div16u.dividend+1
   //SEG33 [16] (word) div16u::divisor#0 ← (word) test_16u::divisor#0 [ test_16u::i#10 test_16u::dividend#0 test_16u::divisor#0 div16u::dividend#0 div16u::divisor#0 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 test_16u::dividend#0 test_16u::divisor#0 div16u::dividend#0 div16u::divisor#0 line_cursor#1 ] )
-    // (word) div16u::divisor#0 = (word) test_16u::divisor#0  // register copy zp ZP_WORD:15
+    // (word) div16u::divisor#0 = (word) test_16u::divisor#0  // register copy zp ZP_WORD:22
   //SEG34 [17] call div16u param-assignment [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 div16u::return#1 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 div16u::return#1 line_cursor#1 ] )
   //SEG35 [70] phi from test_16u::@1 to div16u [phi:test_16u::@1->div16u]
   div16u_from_b1:
     jsr div16u
-  //SEG36 [18] (word) div16u::return#0 ← (word) div16u::return#1 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 div16u::return#0 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 div16u::return#0 line_cursor#1 ] ) -- vwuz1=vwuz2 
-    lda div16u.return_1
-    sta div16u.return
-    lda div16u.return_1+1
-    sta div16u.return+1
+  //SEG36 [18] (word) div16u::return#0 ← (word) div16u::return#1 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 div16u::return#0 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 div16u::return#0 line_cursor#1 ] )
+    // (word) div16u::return#0 = (word) div16u::return#1  // register copy zp ZP_WORD:15
     jmp b3
   //SEG37 test_16u::@3
   b3:
-  //SEG38 [19] (word) test_16u::res#0 ← (word) div16u::return#0 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 test_16u::res#0 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 test_16u::res#0 line_cursor#1 ] ) -- vwuz1=vwuz2 
-    lda div16u.return
-    sta res
-    lda div16u.return+1
-    sta res+1
-  //SEG39 [20] (word) print_word::w#0 ← (word) test_16u::dividend#0 [ test_16u::i#10 div16u::rem#8 test_16u::divisor#0 test_16u::res#0 print_word::w#0 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::divisor#0 test_16u::res#0 print_word::w#0 line_cursor#1 ] ) -- vwuz1=vwuz2 
-    lda dividend
-    sta print_word.w
-    lda dividend+1
-    sta print_word.w+1
+  //SEG38 [19] (word) test_16u::res#0 ← (word) div16u::return#0 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 test_16u::res#0 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 test_16u::res#0 line_cursor#1 ] )
+    // (word) test_16u::res#0 = (word) div16u::return#0  // register copy zp ZP_WORD:15
+  //SEG39 [20] (word) print_word::w#0 ← (word) test_16u::dividend#0 [ test_16u::i#10 div16u::rem#8 test_16u::divisor#0 test_16u::res#0 print_word::w#0 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::divisor#0 test_16u::res#0 print_word::w#0 line_cursor#1 ] )
+    // (word) print_word::w#0 = (word) test_16u::dividend#0  // register copy zp ZP_WORD:5
   //SEG40 [21] (byte*~) char_cursor#84 ← (byte*) line_cursor#1 [ test_16u::i#10 div16u::rem#8 test_16u::divisor#0 test_16u::res#0 print_word::w#0 char_cursor#84 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::divisor#0 test_16u::res#0 print_word::w#0 char_cursor#84 line_cursor#1 ] ) -- pbuz1=pbuz2 
     lda line_cursor
     sta char_cursor
@@ -4770,7 +4761,7 @@ print_char: {
 }
 //SEG131 print_str
 print_str: {
-    .label str = 5
+    .label str = 9
   //SEG132 [64] phi from print_str print_str::@2 to print_str::@1 [phi:print_str/print_str::@2->print_str::@1]
   b1_from_print_str:
   b1_from_b2:
@@ -4810,12 +4801,11 @@ print_str: {
 }
 //SEG143 div16u
 div16u: {
-    .label dividend = 5
-    .label divisor = $f
-    .label return = 5
-    .label rem = 9
-    .label quotient = 7
-    .label return_1 = 7
+    .label dividend = $d
+    .label divisor = $16
+    .label return = $f
+    .label rem = $b
+    .label quotient = $f
   //SEG144 [71] phi from div16u to div16u::@1 [phi:div16u->div16u::@1]
   b1_from_div16u:
   //SEG145 [71] phi (byte) div16u::i#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:div16u->div16u::@1#0] -- vbuxx=vbuc1 
@@ -4919,10 +4909,10 @@ div16u: {
 //SEG178 test_8u
 test_8u: {
     .label rem = $ff
-    .label dividend = $13
-    .label divisor = $14
-    .label res = $b
-    .label i = 2
+    .label dividend = $18
+    .label divisor = $19
+    .label res = $1a
+    .label i = $11
   //SEG179 [88] phi from test_8u to test_8u::@1 [phi:test_8u->test_8u::@1]
   b1_from_test_8u:
   //SEG180 [88] phi (byte*) line_cursor#25 = ((byte*))(word/signed word/dword/signed dword) 1024 [phi:test_8u->test_8u::@1#0] -- pbuz1=pbuc1 
@@ -4953,7 +4943,7 @@ test_8u: {
     lda dividend
     sta div8u.dividend
   //SEG187 [92] (byte) div8u::divisor#0 ← (byte) test_8u::divisor#0 [ line_cursor#25 char_cursor#75 test_8u::i#10 test_8u::dividend#0 test_8u::divisor#0 div8u::dividend#0 div8u::divisor#0 ] ( main:2::test_8u:7 [ line_cursor#25 char_cursor#75 test_8u::i#10 test_8u::dividend#0 test_8u::divisor#0 div8u::dividend#0 div8u::divisor#0 ] )
-    // (byte) div8u::divisor#0 = (byte) test_8u::divisor#0  // register copy zp ZP_BYTE:20
+    // (byte) div8u::divisor#0 = (byte) test_8u::divisor#0  // register copy zp ZP_BYTE:25
   //SEG188 [93] call div8u param-assignment [ line_cursor#25 char_cursor#75 test_8u::i#10 test_8u::dividend#0 test_8u::divisor#0 div8u::return#1 ] ( main:2::test_8u:7 [ line_cursor#25 char_cursor#75 test_8u::i#10 test_8u::dividend#0 test_8u::divisor#0 div8u::return#1 ] )
   //SEG189 [116] phi from test_8u::@1 to div8u [phi:test_8u::@1->div8u]
   div8u_from_b1:
@@ -5093,10 +5083,10 @@ test_8u: {
 }
 //SEG247 div8u
 div8u: {
-    .label dividend = $b
-    .label divisor = $14
-    .label quotient = $c
-    .label return = $c
+    .label dividend = $12
+    .label divisor = $19
+    .label quotient = $13
+    .label return = $13
   //SEG248 [117] phi from div8u to div8u::@1 [phi:div8u->div8u::@1]
   b1_from_div8u:
   //SEG249 [117] phi (byte) div8u::i#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:div8u->div8u::@1#0] -- vbuxx=vbuc1 
@@ -5182,7 +5172,7 @@ div8u: {
 }
 //SEG283 print_cls
 print_cls: {
-    .label sc = 3
+    .label sc = $14
   //SEG284 [134] phi from print_cls to print_cls::@1 [phi:print_cls->print_cls::@1]
   b1_from_print_cls:
   //SEG285 [134] phi (byte*) print_cls::sc#2 = ((byte*))(word/signed word/dword/signed dword) 1024 [phi:print_cls->print_cls::@1#0] -- pbuz1=pbuc1 
@@ -5432,28 +5422,28 @@ FINAL SYMBOL TABLE
 (label) div16u::@5
 (label) div16u::@return
 (word) div16u::dividend
-(word) div16u::dividend#0 dividend zp ZP_WORD:5 4.333333333333333
-(word) div16u::dividend#1 dividend zp ZP_WORD:5 25.25
-(word) div16u::dividend#2 dividend zp ZP_WORD:5 43.57142857142858
+(word) div16u::dividend#0 dividend zp ZP_WORD:13 4.333333333333333
+(word) div16u::dividend#1 dividend zp ZP_WORD:13 25.25
+(word) div16u::dividend#2 dividend zp ZP_WORD:13 43.57142857142858
 (word) div16u::divisor
-(word) div16u::divisor#0 divisor zp ZP_WORD:15 12.529411764705884
+(word) div16u::divisor#0 divisor zp ZP_WORD:22 12.529411764705884
 (byte) div16u::i
 (byte) div16u::i#1 reg byte x 151.5
 (byte) div16u::i#2 reg byte x 15.538461538461538
 (word) div16u::quotient
-(word) div16u::quotient#1 quotient zp ZP_WORD:7 151.5
-(word) div16u::quotient#2 quotient zp ZP_WORD:7 101.0
-(word) div16u::quotient#3 quotient zp ZP_WORD:7 25.25
+(word) div16u::quotient#1 quotient zp ZP_WORD:15 151.5
+(word) div16u::quotient#2 quotient zp ZP_WORD:15 101.0
+(word) div16u::quotient#3 quotient zp ZP_WORD:15 25.25
 (word) div16u::rem
-(word) div16u::rem#1 rem zp ZP_WORD:9 75.75
-(word) div16u::rem#2 rem zp ZP_WORD:9 202.0
-(word) div16u::rem#3 rem zp ZP_WORD:9 202.0
-(word) div16u::rem#4 rem zp ZP_WORD:9 202.0
-(word) div16u::rem#5 rem zp ZP_WORD:9 101.0
-(word) div16u::rem#8 rem zp ZP_WORD:9 12.5
+(word) div16u::rem#1 rem zp ZP_WORD:11 75.75
+(word) div16u::rem#2 rem zp ZP_WORD:11 202.0
+(word) div16u::rem#3 rem zp ZP_WORD:11 202.0
+(word) div16u::rem#4 rem zp ZP_WORD:11 202.0
+(word) div16u::rem#5 rem zp ZP_WORD:11 101.0
+(word) div16u::rem#8 rem zp ZP_WORD:11 12.5
 (word) div16u::return
-(word) div16u::return#0 return zp ZP_WORD:5 22.0
-(word) div16u::return#1 return#1 zp ZP_WORD:7 62.8
+(word) div16u::return#0 return zp ZP_WORD:15 22.0
+(word) div16u::return#1 return zp ZP_WORD:15 62.8
 (byte()) div8u((byte) div8u::dividend , (byte) div8u::divisor , (byte*) div8u::remainder)
 (byte~) div8u::$1 reg byte a 202.0
 (label) div8u::@1
@@ -5464,18 +5454,18 @@ FINAL SYMBOL TABLE
 (label) div8u::@6
 (label) div8u::@return
 (byte) div8u::dividend
-(byte) div8u::dividend#0 dividend zp ZP_BYTE:11 4.333333333333333
-(byte) div8u::dividend#1 dividend zp ZP_BYTE:11 25.25
-(byte) div8u::dividend#2 dividend zp ZP_BYTE:11 50.83333333333333
+(byte) div8u::dividend#0 dividend zp ZP_BYTE:18 4.333333333333333
+(byte) div8u::dividend#1 dividend zp ZP_BYTE:18 25.25
+(byte) div8u::dividend#2 dividend zp ZP_BYTE:18 50.83333333333333
 (byte) div8u::divisor
-(byte) div8u::divisor#0 divisor zp ZP_BYTE:20 13.3125
+(byte) div8u::divisor#0 divisor zp ZP_BYTE:25 13.3125
 (byte) div8u::i
 (byte) div8u::i#1 reg byte x 151.5
 (byte) div8u::i#2 reg byte x 16.833333333333332
 (byte) div8u::quotient
-(byte) div8u::quotient#1 quotient zp ZP_BYTE:12 151.5
-(byte) div8u::quotient#2 quotient zp ZP_BYTE:12 101.0
-(byte) div8u::quotient#3 quotient zp ZP_BYTE:12 28.857142857142858
+(byte) div8u::quotient#1 quotient zp ZP_BYTE:19 151.5
+(byte) div8u::quotient#2 quotient zp ZP_BYTE:19 101.0
+(byte) div8u::quotient#3 quotient zp ZP_BYTE:19 28.857142857142858
 (byte) div8u::rem
 (byte) div8u::rem#1 reg byte y 101.0
 (byte) div8u::rem#2 reg byte y 202.0
@@ -5486,7 +5476,7 @@ FINAL SYMBOL TABLE
 (byte*) div8u::remainder
 (byte) div8u::return
 (byte) div8u::return#0 reg byte a 22.0
-(byte) div8u::return#1 return zp ZP_BYTE:12 52.33333333333333
+(byte) div8u::return#1 return zp ZP_BYTE:19 52.33333333333333
 (byte*) line_cursor
 (byte*) line_cursor#1 line_cursor zp ZP_WORD:3 9.131578947368421
 (byte*) line_cursor#11 line_cursor zp ZP_WORD:3 204.0
@@ -5521,8 +5511,8 @@ FINAL SYMBOL TABLE
 (label) print_cls::@1
 (label) print_cls::@return
 (byte*) print_cls::sc
-(byte*) print_cls::sc#1 sc zp ZP_WORD:3 16.5
-(byte*) print_cls::sc#2 sc zp ZP_WORD:3 16.5
+(byte*) print_cls::sc#1 sc zp ZP_WORD:20 16.5
+(byte*) print_cls::sc#2 sc zp ZP_WORD:20 16.5
 (void()) print_ln()
 (label) print_ln::@1
 (label) print_ln::@return
@@ -5531,9 +5521,9 @@ FINAL SYMBOL TABLE
 (label) print_str::@2
 (label) print_str::@return
 (byte*) print_str::str
-(byte*) print_str::str#0 str zp ZP_WORD:5 202.0
-(byte*) print_str::str#7 str zp ZP_WORD:5 101.5
-(byte*) print_str::str#9 str zp ZP_WORD:5 2.0
+(byte*) print_str::str#0 str zp ZP_WORD:9 202.0
+(byte*) print_str::str#7 str zp ZP_WORD:9 101.5
+(byte*) print_str::str#9 str zp ZP_WORD:9 2.0
 (void()) print_word((word) print_word::w)
 (label) print_word::@1
 (label) print_word::@return
@@ -5544,7 +5534,7 @@ FINAL SYMBOL TABLE
 (word) print_word::w#3 w zp ZP_WORD:5 22.0
 (word) print_word::w#4 w zp ZP_WORD:5 15.999999999999998
 (word) rem16u
-(word) rem16u#16 rem16u zp ZP_WORD:9 110.0
+(word) rem16u#16 rem16u zp ZP_WORD:11 110.0
 (void()) test_16u()
 (label) test_16u::@1
 (label) test_16u::@10
@@ -5558,18 +5548,18 @@ FINAL SYMBOL TABLE
 (label) test_16u::@9
 (label) test_16u::@return
 (word) test_16u::dividend
-(word) test_16u::dividend#0 dividend zp ZP_WORD:13 4.714285714285714
+(word) test_16u::dividend#0 dividend zp ZP_WORD:5 4.714285714285714
 (word[]) test_16u::dividends
 (const word[]) test_16u::dividends#0 dividends = { (word/dword/signed dword) 65535, (word/dword/signed dword) 65535, (word/dword/signed dword) 65535, (word/dword/signed dword) 65535, (word/dword/signed dword) 65535, (word/dword/signed dword) 65535 }
 (word) test_16u::divisor
-(word) test_16u::divisor#0 divisor zp ZP_WORD:15 3.0
+(word) test_16u::divisor#0 divisor zp ZP_WORD:22 3.0
 (word[]) test_16u::divisors
 (const word[]) test_16u::divisors#0 divisors = { (byte/signed byte/word/signed word/dword/signed dword) 5, (byte/signed byte/word/signed word/dword/signed dword) 7, (byte/signed byte/word/signed word/dword/signed dword) 11, (byte/signed byte/word/signed word/dword/signed dword) 13, (byte/signed byte/word/signed word/dword/signed dword) 17, (byte/signed byte/word/signed word/dword/signed dword) 19 }
 (byte) test_16u::i
 (byte) test_16u::i#1 i zp ZP_BYTE:2 16.5
 (byte) test_16u::i#10 i zp ZP_BYTE:2 1.76
 (word) test_16u::res
-(word) test_16u::res#0 res zp ZP_WORD:17 2.2
+(word) test_16u::res#0 res zp ZP_WORD:15 2.2
 (const string) test_16u::str str = (string) " / @"
 (const string) test_16u::str1 str1 = (string) " = @"
 (const string) test_16u::str2 str2 = (string) " @"
@@ -5587,51 +5577,55 @@ FINAL SYMBOL TABLE
 (label) test_8u::@9
 (label) test_8u::@return
 (byte) test_8u::dividend
-(byte) test_8u::dividend#0 dividend zp ZP_BYTE:19 4.714285714285714
+(byte) test_8u::dividend#0 dividend zp ZP_BYTE:24 4.714285714285714
 (byte[]) test_8u::dividends
 (const byte[]) test_8u::dividends#0 dividends = { (byte/word/signed word/dword/signed dword) 255, (byte/word/signed word/dword/signed dword) 255, (byte/word/signed word/dword/signed dword) 255, (byte/word/signed word/dword/signed dword) 255, (byte/word/signed word/dword/signed dword) 255, (byte/word/signed word/dword/signed dword) 255 }
 (byte) test_8u::divisor
-(byte) test_8u::divisor#0 divisor zp ZP_BYTE:20 3.3000000000000003
+(byte) test_8u::divisor#0 divisor zp ZP_BYTE:25 3.3000000000000003
 (byte[]) test_8u::divisors
 (const byte[]) test_8u::divisors#0 divisors = { (byte/signed byte/word/signed word/dword/signed dword) 5, (byte/signed byte/word/signed word/dword/signed dword) 7, (byte/signed byte/word/signed word/dword/signed dword) 11, (byte/signed byte/word/signed word/dword/signed dword) 13, (byte/signed byte/word/signed word/dword/signed dword) 17, (byte/signed byte/word/signed word/dword/signed dword) 19 }
 (byte) test_8u::i
-(byte) test_8u::i#1 i zp ZP_BYTE:2 11.0
-(byte) test_8u::i#10 i zp ZP_BYTE:2 1.8333333333333333
+(byte) test_8u::i#1 i zp ZP_BYTE:17 11.0
+(byte) test_8u::i#10 i zp ZP_BYTE:17 1.8333333333333333
 (byte*) test_8u::rem
 (const byte*) test_8u::rem#0 rem = ((byte*))(byte/word/signed word/dword/signed dword) 255
 (byte) test_8u::res
-(byte) test_8u::res#0 res zp ZP_BYTE:11 2.4444444444444446
+(byte) test_8u::res#0 res zp ZP_BYTE:26 2.4444444444444446
 (const string) test_8u::str str = (string) " / @"
 (const string) test_8u::str1 str1 = (string) " = @"
 (const string) test_8u::str2 str2 = (string) " @"
 
-zp ZP_BYTE:2 [ test_16u::i#10 test_16u::i#1 test_8u::i#10 test_8u::i#1 ]
-zp ZP_WORD:3 [ line_cursor#11 line_cursor#22 line_cursor#1 line_cursor#25 print_cls::sc#2 print_cls::sc#1 ]
-zp ZP_WORD:5 [ print_word::w#4 print_word::w#0 print_word::w#1 print_word::w#2 print_word::w#3 print_str::str#7 print_str::str#9 print_str::str#0 div16u::dividend#2 div16u::dividend#0 div16u::dividend#1 div16u::return#0 ]
+zp ZP_BYTE:2 [ test_16u::i#10 test_16u::i#1 ]
+zp ZP_WORD:3 [ line_cursor#11 line_cursor#22 line_cursor#1 line_cursor#25 ]
+zp ZP_WORD:5 [ print_word::w#4 print_word::w#0 print_word::w#1 print_word::w#2 print_word::w#3 test_16u::dividend#0 ]
 reg byte x [ print_byte::b#6 print_byte::b#0 print_byte::b#1 print_byte::b#2 print_byte::b#3 print_byte::b#4 print_byte::b#5 ]
 reg byte a [ print_char::ch#2 print_char::ch#0 print_char::ch#1 ]
-zp ZP_WORD:7 [ char_cursor#45 char_cursor#72 char_cursor#71 char_cursor#84 char_cursor#2 char_cursor#11 char_cursor#75 char_cursor#1 char_cursor#98 div16u::quotient#3 div16u::return#1 div16u::quotient#1 div16u::quotient#2 ]
-zp ZP_WORD:9 [ div16u::rem#4 rem16u#16 div16u::rem#8 div16u::rem#5 div16u::rem#1 div16u::rem#2 div16u::rem#3 ]
+zp ZP_WORD:7 [ char_cursor#45 char_cursor#72 char_cursor#71 char_cursor#84 char_cursor#2 char_cursor#11 char_cursor#75 char_cursor#1 char_cursor#98 ]
+zp ZP_WORD:9 [ print_str::str#7 print_str::str#9 print_str::str#0 ]
+zp ZP_WORD:11 [ div16u::rem#4 rem16u#16 div16u::rem#8 div16u::rem#5 div16u::rem#1 div16u::rem#2 div16u::rem#3 ]
+zp ZP_WORD:13 [ div16u::dividend#2 div16u::dividend#0 div16u::dividend#1 ]
+zp ZP_WORD:15 [ div16u::quotient#3 div16u::return#1 div16u::quotient#1 div16u::quotient#2 div16u::return#0 test_16u::res#0 ]
 reg byte x [ div16u::i#2 div16u::i#1 ]
+zp ZP_BYTE:17 [ test_8u::i#10 test_8u::i#1 ]
 reg byte y [ div8u::rem#4 div8u::rem#8 div8u::rem#5 div8u::rem#1 div8u::rem#2 div8u::rem#3 ]
-zp ZP_BYTE:11 [ div8u::dividend#2 div8u::dividend#0 div8u::dividend#1 test_8u::res#0 ]
-zp ZP_BYTE:12 [ div8u::quotient#3 div8u::return#1 div8u::quotient#1 div8u::quotient#2 ]
+zp ZP_BYTE:18 [ div8u::dividend#2 div8u::dividend#0 div8u::dividend#1 ]
+zp ZP_BYTE:19 [ div8u::quotient#3 div8u::return#1 div8u::quotient#1 div8u::quotient#2 ]
 reg byte x [ div8u::i#2 div8u::i#1 ]
-zp ZP_WORD:13 [ test_16u::dividend#0 ]
-zp ZP_WORD:15 [ test_16u::divisor#0 div16u::divisor#0 ]
-zp ZP_WORD:17 [ test_16u::res#0 ]
+zp ZP_WORD:20 [ print_cls::sc#2 print_cls::sc#1 ]
+zp ZP_WORD:22 [ test_16u::divisor#0 div16u::divisor#0 ]
 reg byte a [ print_byte::$0 ]
 reg byte a [ print_byte::$2 ]
 reg byte a [ div16u::$1 ]
 reg byte a [ div16u::$2 ]
-zp ZP_BYTE:19 [ test_8u::dividend#0 ]
-zp ZP_BYTE:20 [ test_8u::divisor#0 div8u::divisor#0 ]
+zp ZP_BYTE:24 [ test_8u::dividend#0 ]
+zp ZP_BYTE:25 [ test_8u::divisor#0 div8u::divisor#0 ]
 reg byte a [ div8u::return#0 ]
+zp ZP_BYTE:26 [ test_8u::res#0 ]
 reg byte a [ div8u::$1 ]
 
 
 FINAL ASSEMBLER
-Score: 31267
+Score: 30907
 
 //SEG0 Basic Upstart
 .pc = $801 "Basic"
@@ -5640,7 +5634,7 @@ Score: 31267
 //SEG1 Global Constants & labels
   .label char_cursor = 7
   .label line_cursor = 3
-  .label rem16u = 9
+  .label rem16u = $b
 //SEG2 @begin
 //SEG3 [1] phi from @begin to @13 [phi:@begin->@13]
 //SEG4 @13
@@ -5670,9 +5664,9 @@ main: {
 }
 //SEG22 test_16u
 test_16u: {
-    .label dividend = $d
-    .label divisor = $f
-    .label res = $11
+    .label dividend = 5
+    .label divisor = $16
+    .label res = $f
     .label i = 2
   //SEG23 [12] phi from test_16u to test_16u::@1 [phi:test_16u->test_16u::@1]
   //SEG24 [12] phi (word) rem16u#16 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:test_16u->test_16u::@1#0] -- vwuz1=vbuc1 
@@ -5703,26 +5697,17 @@ test_16u: {
     lda dividend+1
     sta div16u.dividend+1
   //SEG33 [16] (word) div16u::divisor#0 ← (word) test_16u::divisor#0 [ test_16u::i#10 test_16u::dividend#0 test_16u::divisor#0 div16u::dividend#0 div16u::divisor#0 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 test_16u::dividend#0 test_16u::divisor#0 div16u::dividend#0 div16u::divisor#0 line_cursor#1 ] )
-    // (word) div16u::divisor#0 = (word) test_16u::divisor#0  // register copy zp ZP_WORD:15
+    // (word) div16u::divisor#0 = (word) test_16u::divisor#0  // register copy zp ZP_WORD:22
   //SEG34 [17] call div16u param-assignment [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 div16u::return#1 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 div16u::return#1 line_cursor#1 ] )
   //SEG35 [70] phi from test_16u::@1 to div16u [phi:test_16u::@1->div16u]
     jsr div16u
-  //SEG36 [18] (word) div16u::return#0 ← (word) div16u::return#1 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 div16u::return#0 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 div16u::return#0 line_cursor#1 ] ) -- vwuz1=vwuz2 
-    lda div16u.return_1
-    sta div16u.return
-    lda div16u.return_1+1
-    sta div16u.return+1
+  //SEG36 [18] (word) div16u::return#0 ← (word) div16u::return#1 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 div16u::return#0 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 div16u::return#0 line_cursor#1 ] )
+    // (word) div16u::return#0 = (word) div16u::return#1  // register copy zp ZP_WORD:15
   //SEG37 test_16u::@3
-  //SEG38 [19] (word) test_16u::res#0 ← (word) div16u::return#0 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 test_16u::res#0 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 test_16u::res#0 line_cursor#1 ] ) -- vwuz1=vwuz2 
-    lda div16u.return
-    sta res
-    lda div16u.return+1
-    sta res+1
-  //SEG39 [20] (word) print_word::w#0 ← (word) test_16u::dividend#0 [ test_16u::i#10 div16u::rem#8 test_16u::divisor#0 test_16u::res#0 print_word::w#0 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::divisor#0 test_16u::res#0 print_word::w#0 line_cursor#1 ] ) -- vwuz1=vwuz2 
-    lda dividend
-    sta print_word.w
-    lda dividend+1
-    sta print_word.w+1
+  //SEG38 [19] (word) test_16u::res#0 ← (word) div16u::return#0 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 test_16u::res#0 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::dividend#0 test_16u::divisor#0 test_16u::res#0 line_cursor#1 ] )
+    // (word) test_16u::res#0 = (word) div16u::return#0  // register copy zp ZP_WORD:15
+  //SEG39 [20] (word) print_word::w#0 ← (word) test_16u::dividend#0 [ test_16u::i#10 div16u::rem#8 test_16u::divisor#0 test_16u::res#0 print_word::w#0 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::divisor#0 test_16u::res#0 print_word::w#0 line_cursor#1 ] )
+    // (word) print_word::w#0 = (word) test_16u::dividend#0  // register copy zp ZP_WORD:5
   //SEG40 [21] (byte*~) char_cursor#84 ← (byte*) line_cursor#1 [ test_16u::i#10 div16u::rem#8 test_16u::divisor#0 test_16u::res#0 print_word::w#0 char_cursor#84 line_cursor#1 ] ( main:2::test_16u:9 [ test_16u::i#10 div16u::rem#8 test_16u::divisor#0 test_16u::res#0 print_word::w#0 char_cursor#84 line_cursor#1 ] ) -- pbuz1=pbuz2 
     lda line_cursor
     sta char_cursor
@@ -5920,7 +5905,7 @@ print_char: {
 }
 //SEG131 print_str
 print_str: {
-    .label str = 5
+    .label str = 9
   //SEG132 [64] phi from print_str print_str::@2 to print_str::@1 [phi:print_str/print_str::@2->print_str::@1]
   //SEG133 [64] phi (byte*) char_cursor#2 = (byte*) char_cursor#11 [phi:print_str/print_str::@2->print_str::@1#0] -- register_copy 
   //SEG134 [64] phi (byte*) print_str::str#7 = (byte*) print_str::str#9 [phi:print_str/print_str::@2->print_str::@1#1] -- register_copy 
@@ -5954,12 +5939,11 @@ print_str: {
 }
 //SEG143 div16u
 div16u: {
-    .label dividend = 5
-    .label divisor = $f
-    .label return = 5
-    .label rem = 9
-    .label quotient = 7
-    .label return_1 = 7
+    .label dividend = $d
+    .label divisor = $16
+    .label return = $f
+    .label rem = $b
+    .label quotient = $f
   //SEG144 [71] phi from div16u to div16u::@1 [phi:div16u->div16u::@1]
   //SEG145 [71] phi (byte) div16u::i#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:div16u->div16u::@1#0] -- vbuxx=vbuc1 
     ldx #0
@@ -6044,10 +6028,10 @@ div16u: {
 //SEG178 test_8u
 test_8u: {
     .label rem = $ff
-    .label dividend = $13
-    .label divisor = $14
-    .label res = $b
-    .label i = 2
+    .label dividend = $18
+    .label divisor = $19
+    .label res = $1a
+    .label i = $11
   //SEG179 [88] phi from test_8u to test_8u::@1 [phi:test_8u->test_8u::@1]
   //SEG180 [88] phi (byte*) line_cursor#25 = ((byte*))(word/signed word/dword/signed dword) 1024 [phi:test_8u->test_8u::@1#0] -- pbuz1=pbuc1 
     lda #<$400
@@ -6075,7 +6059,7 @@ test_8u: {
     lda dividend
     sta div8u.dividend
   //SEG187 [92] (byte) div8u::divisor#0 ← (byte) test_8u::divisor#0 [ line_cursor#25 char_cursor#75 test_8u::i#10 test_8u::dividend#0 test_8u::divisor#0 div8u::dividend#0 div8u::divisor#0 ] ( main:2::test_8u:7 [ line_cursor#25 char_cursor#75 test_8u::i#10 test_8u::dividend#0 test_8u::divisor#0 div8u::dividend#0 div8u::divisor#0 ] )
-    // (byte) div8u::divisor#0 = (byte) test_8u::divisor#0  // register copy zp ZP_BYTE:20
+    // (byte) div8u::divisor#0 = (byte) test_8u::divisor#0  // register copy zp ZP_BYTE:25
   //SEG188 [93] call div8u param-assignment [ line_cursor#25 char_cursor#75 test_8u::i#10 test_8u::dividend#0 test_8u::divisor#0 div8u::return#1 ] ( main:2::test_8u:7 [ line_cursor#25 char_cursor#75 test_8u::i#10 test_8u::dividend#0 test_8u::divisor#0 div8u::return#1 ] )
   //SEG189 [116] phi from test_8u::@1 to div8u [phi:test_8u::@1->div8u]
     jsr div8u
@@ -6181,10 +6165,10 @@ test_8u: {
 }
 //SEG247 div8u
 div8u: {
-    .label dividend = $b
-    .label divisor = $14
-    .label quotient = $c
-    .label return = $c
+    .label dividend = $12
+    .label divisor = $19
+    .label quotient = $13
+    .label return = $13
   //SEG248 [117] phi from div8u to div8u::@1 [phi:div8u->div8u::@1]
   //SEG249 [117] phi (byte) div8u::i#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:div8u->div8u::@1#0] -- vbuxx=vbuc1 
     ldx #0
@@ -6252,7 +6236,7 @@ div8u: {
 }
 //SEG283 print_cls
 print_cls: {
-    .label sc = 3
+    .label sc = $14
   //SEG284 [134] phi from print_cls to print_cls::@1 [phi:print_cls->print_cls::@1]
   //SEG285 [134] phi (byte*) print_cls::sc#2 = ((byte*))(word/signed word/dword/signed dword) 1024 [phi:print_cls->print_cls::@1#0] -- pbuz1=pbuc1 
     lda #<$400
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/division.sym b/src/test/java/dk/camelot64/kickc/test/ref/division.sym
index 4356d45b7..1c3d5f48e 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/division.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/division.sym
@@ -21,28 +21,28 @@
 (label) div16u::@5
 (label) div16u::@return
 (word) div16u::dividend
-(word) div16u::dividend#0 dividend zp ZP_WORD:5 4.333333333333333
-(word) div16u::dividend#1 dividend zp ZP_WORD:5 25.25
-(word) div16u::dividend#2 dividend zp ZP_WORD:5 43.57142857142858
+(word) div16u::dividend#0 dividend zp ZP_WORD:13 4.333333333333333
+(word) div16u::dividend#1 dividend zp ZP_WORD:13 25.25
+(word) div16u::dividend#2 dividend zp ZP_WORD:13 43.57142857142858
 (word) div16u::divisor
-(word) div16u::divisor#0 divisor zp ZP_WORD:15 12.529411764705884
+(word) div16u::divisor#0 divisor zp ZP_WORD:22 12.529411764705884
 (byte) div16u::i
 (byte) div16u::i#1 reg byte x 151.5
 (byte) div16u::i#2 reg byte x 15.538461538461538
 (word) div16u::quotient
-(word) div16u::quotient#1 quotient zp ZP_WORD:7 151.5
-(word) div16u::quotient#2 quotient zp ZP_WORD:7 101.0
-(word) div16u::quotient#3 quotient zp ZP_WORD:7 25.25
+(word) div16u::quotient#1 quotient zp ZP_WORD:15 151.5
+(word) div16u::quotient#2 quotient zp ZP_WORD:15 101.0
+(word) div16u::quotient#3 quotient zp ZP_WORD:15 25.25
 (word) div16u::rem
-(word) div16u::rem#1 rem zp ZP_WORD:9 75.75
-(word) div16u::rem#2 rem zp ZP_WORD:9 202.0
-(word) div16u::rem#3 rem zp ZP_WORD:9 202.0
-(word) div16u::rem#4 rem zp ZP_WORD:9 202.0
-(word) div16u::rem#5 rem zp ZP_WORD:9 101.0
-(word) div16u::rem#8 rem zp ZP_WORD:9 12.5
+(word) div16u::rem#1 rem zp ZP_WORD:11 75.75
+(word) div16u::rem#2 rem zp ZP_WORD:11 202.0
+(word) div16u::rem#3 rem zp ZP_WORD:11 202.0
+(word) div16u::rem#4 rem zp ZP_WORD:11 202.0
+(word) div16u::rem#5 rem zp ZP_WORD:11 101.0
+(word) div16u::rem#8 rem zp ZP_WORD:11 12.5
 (word) div16u::return
-(word) div16u::return#0 return zp ZP_WORD:5 22.0
-(word) div16u::return#1 return#1 zp ZP_WORD:7 62.8
+(word) div16u::return#0 return zp ZP_WORD:15 22.0
+(word) div16u::return#1 return zp ZP_WORD:15 62.8
 (byte()) div8u((byte) div8u::dividend , (byte) div8u::divisor , (byte*) div8u::remainder)
 (byte~) div8u::$1 reg byte a 202.0
 (label) div8u::@1
@@ -53,18 +53,18 @@
 (label) div8u::@6
 (label) div8u::@return
 (byte) div8u::dividend
-(byte) div8u::dividend#0 dividend zp ZP_BYTE:11 4.333333333333333
-(byte) div8u::dividend#1 dividend zp ZP_BYTE:11 25.25
-(byte) div8u::dividend#2 dividend zp ZP_BYTE:11 50.83333333333333
+(byte) div8u::dividend#0 dividend zp ZP_BYTE:18 4.333333333333333
+(byte) div8u::dividend#1 dividend zp ZP_BYTE:18 25.25
+(byte) div8u::dividend#2 dividend zp ZP_BYTE:18 50.83333333333333
 (byte) div8u::divisor
-(byte) div8u::divisor#0 divisor zp ZP_BYTE:20 13.3125
+(byte) div8u::divisor#0 divisor zp ZP_BYTE:25 13.3125
 (byte) div8u::i
 (byte) div8u::i#1 reg byte x 151.5
 (byte) div8u::i#2 reg byte x 16.833333333333332
 (byte) div8u::quotient
-(byte) div8u::quotient#1 quotient zp ZP_BYTE:12 151.5
-(byte) div8u::quotient#2 quotient zp ZP_BYTE:12 101.0
-(byte) div8u::quotient#3 quotient zp ZP_BYTE:12 28.857142857142858
+(byte) div8u::quotient#1 quotient zp ZP_BYTE:19 151.5
+(byte) div8u::quotient#2 quotient zp ZP_BYTE:19 101.0
+(byte) div8u::quotient#3 quotient zp ZP_BYTE:19 28.857142857142858
 (byte) div8u::rem
 (byte) div8u::rem#1 reg byte y 101.0
 (byte) div8u::rem#2 reg byte y 202.0
@@ -75,7 +75,7 @@
 (byte*) div8u::remainder
 (byte) div8u::return
 (byte) div8u::return#0 reg byte a 22.0
-(byte) div8u::return#1 return zp ZP_BYTE:12 52.33333333333333
+(byte) div8u::return#1 return zp ZP_BYTE:19 52.33333333333333
 (byte*) line_cursor
 (byte*) line_cursor#1 line_cursor zp ZP_WORD:3 9.131578947368421
 (byte*) line_cursor#11 line_cursor zp ZP_WORD:3 204.0
@@ -110,8 +110,8 @@
 (label) print_cls::@1
 (label) print_cls::@return
 (byte*) print_cls::sc
-(byte*) print_cls::sc#1 sc zp ZP_WORD:3 16.5
-(byte*) print_cls::sc#2 sc zp ZP_WORD:3 16.5
+(byte*) print_cls::sc#1 sc zp ZP_WORD:20 16.5
+(byte*) print_cls::sc#2 sc zp ZP_WORD:20 16.5
 (void()) print_ln()
 (label) print_ln::@1
 (label) print_ln::@return
@@ -120,9 +120,9 @@
 (label) print_str::@2
 (label) print_str::@return
 (byte*) print_str::str
-(byte*) print_str::str#0 str zp ZP_WORD:5 202.0
-(byte*) print_str::str#7 str zp ZP_WORD:5 101.5
-(byte*) print_str::str#9 str zp ZP_WORD:5 2.0
+(byte*) print_str::str#0 str zp ZP_WORD:9 202.0
+(byte*) print_str::str#7 str zp ZP_WORD:9 101.5
+(byte*) print_str::str#9 str zp ZP_WORD:9 2.0
 (void()) print_word((word) print_word::w)
 (label) print_word::@1
 (label) print_word::@return
@@ -133,7 +133,7 @@
 (word) print_word::w#3 w zp ZP_WORD:5 22.0
 (word) print_word::w#4 w zp ZP_WORD:5 15.999999999999998
 (word) rem16u
-(word) rem16u#16 rem16u zp ZP_WORD:9 110.0
+(word) rem16u#16 rem16u zp ZP_WORD:11 110.0
 (void()) test_16u()
 (label) test_16u::@1
 (label) test_16u::@10
@@ -147,18 +147,18 @@
 (label) test_16u::@9
 (label) test_16u::@return
 (word) test_16u::dividend
-(word) test_16u::dividend#0 dividend zp ZP_WORD:13 4.714285714285714
+(word) test_16u::dividend#0 dividend zp ZP_WORD:5 4.714285714285714
 (word[]) test_16u::dividends
 (const word[]) test_16u::dividends#0 dividends = { (word/dword/signed dword) 65535, (word/dword/signed dword) 65535, (word/dword/signed dword) 65535, (word/dword/signed dword) 65535, (word/dword/signed dword) 65535, (word/dword/signed dword) 65535 }
 (word) test_16u::divisor
-(word) test_16u::divisor#0 divisor zp ZP_WORD:15 3.0
+(word) test_16u::divisor#0 divisor zp ZP_WORD:22 3.0
 (word[]) test_16u::divisors
 (const word[]) test_16u::divisors#0 divisors = { (byte/signed byte/word/signed word/dword/signed dword) 5, (byte/signed byte/word/signed word/dword/signed dword) 7, (byte/signed byte/word/signed word/dword/signed dword) 11, (byte/signed byte/word/signed word/dword/signed dword) 13, (byte/signed byte/word/signed word/dword/signed dword) 17, (byte/signed byte/word/signed word/dword/signed dword) 19 }
 (byte) test_16u::i
 (byte) test_16u::i#1 i zp ZP_BYTE:2 16.5
 (byte) test_16u::i#10 i zp ZP_BYTE:2 1.76
 (word) test_16u::res
-(word) test_16u::res#0 res zp ZP_WORD:17 2.2
+(word) test_16u::res#0 res zp ZP_WORD:15 2.2
 (const string) test_16u::str str = (string) " / @"
 (const string) test_16u::str1 str1 = (string) " = @"
 (const string) test_16u::str2 str2 = (string) " @"
@@ -176,44 +176,48 @@
 (label) test_8u::@9
 (label) test_8u::@return
 (byte) test_8u::dividend
-(byte) test_8u::dividend#0 dividend zp ZP_BYTE:19 4.714285714285714
+(byte) test_8u::dividend#0 dividend zp ZP_BYTE:24 4.714285714285714
 (byte[]) test_8u::dividends
 (const byte[]) test_8u::dividends#0 dividends = { (byte/word/signed word/dword/signed dword) 255, (byte/word/signed word/dword/signed dword) 255, (byte/word/signed word/dword/signed dword) 255, (byte/word/signed word/dword/signed dword) 255, (byte/word/signed word/dword/signed dword) 255, (byte/word/signed word/dword/signed dword) 255 }
 (byte) test_8u::divisor
-(byte) test_8u::divisor#0 divisor zp ZP_BYTE:20 3.3000000000000003
+(byte) test_8u::divisor#0 divisor zp ZP_BYTE:25 3.3000000000000003
 (byte[]) test_8u::divisors
 (const byte[]) test_8u::divisors#0 divisors = { (byte/signed byte/word/signed word/dword/signed dword) 5, (byte/signed byte/word/signed word/dword/signed dword) 7, (byte/signed byte/word/signed word/dword/signed dword) 11, (byte/signed byte/word/signed word/dword/signed dword) 13, (byte/signed byte/word/signed word/dword/signed dword) 17, (byte/signed byte/word/signed word/dword/signed dword) 19 }
 (byte) test_8u::i
-(byte) test_8u::i#1 i zp ZP_BYTE:2 11.0
-(byte) test_8u::i#10 i zp ZP_BYTE:2 1.8333333333333333
+(byte) test_8u::i#1 i zp ZP_BYTE:17 11.0
+(byte) test_8u::i#10 i zp ZP_BYTE:17 1.8333333333333333
 (byte*) test_8u::rem
 (const byte*) test_8u::rem#0 rem = ((byte*))(byte/word/signed word/dword/signed dword) 255
 (byte) test_8u::res
-(byte) test_8u::res#0 res zp ZP_BYTE:11 2.4444444444444446
+(byte) test_8u::res#0 res zp ZP_BYTE:26 2.4444444444444446
 (const string) test_8u::str str = (string) " / @"
 (const string) test_8u::str1 str1 = (string) " = @"
 (const string) test_8u::str2 str2 = (string) " @"
 
-zp ZP_BYTE:2 [ test_16u::i#10 test_16u::i#1 test_8u::i#10 test_8u::i#1 ]
-zp ZP_WORD:3 [ line_cursor#11 line_cursor#22 line_cursor#1 line_cursor#25 print_cls::sc#2 print_cls::sc#1 ]
-zp ZP_WORD:5 [ print_word::w#4 print_word::w#0 print_word::w#1 print_word::w#2 print_word::w#3 print_str::str#7 print_str::str#9 print_str::str#0 div16u::dividend#2 div16u::dividend#0 div16u::dividend#1 div16u::return#0 ]
+zp ZP_BYTE:2 [ test_16u::i#10 test_16u::i#1 ]
+zp ZP_WORD:3 [ line_cursor#11 line_cursor#22 line_cursor#1 line_cursor#25 ]
+zp ZP_WORD:5 [ print_word::w#4 print_word::w#0 print_word::w#1 print_word::w#2 print_word::w#3 test_16u::dividend#0 ]
 reg byte x [ print_byte::b#6 print_byte::b#0 print_byte::b#1 print_byte::b#2 print_byte::b#3 print_byte::b#4 print_byte::b#5 ]
 reg byte a [ print_char::ch#2 print_char::ch#0 print_char::ch#1 ]
-zp ZP_WORD:7 [ char_cursor#45 char_cursor#72 char_cursor#71 char_cursor#84 char_cursor#2 char_cursor#11 char_cursor#75 char_cursor#1 char_cursor#98 div16u::quotient#3 div16u::return#1 div16u::quotient#1 div16u::quotient#2 ]
-zp ZP_WORD:9 [ div16u::rem#4 rem16u#16 div16u::rem#8 div16u::rem#5 div16u::rem#1 div16u::rem#2 div16u::rem#3 ]
+zp ZP_WORD:7 [ char_cursor#45 char_cursor#72 char_cursor#71 char_cursor#84 char_cursor#2 char_cursor#11 char_cursor#75 char_cursor#1 char_cursor#98 ]
+zp ZP_WORD:9 [ print_str::str#7 print_str::str#9 print_str::str#0 ]
+zp ZP_WORD:11 [ div16u::rem#4 rem16u#16 div16u::rem#8 div16u::rem#5 div16u::rem#1 div16u::rem#2 div16u::rem#3 ]
+zp ZP_WORD:13 [ div16u::dividend#2 div16u::dividend#0 div16u::dividend#1 ]
+zp ZP_WORD:15 [ div16u::quotient#3 div16u::return#1 div16u::quotient#1 div16u::quotient#2 div16u::return#0 test_16u::res#0 ]
 reg byte x [ div16u::i#2 div16u::i#1 ]
+zp ZP_BYTE:17 [ test_8u::i#10 test_8u::i#1 ]
 reg byte y [ div8u::rem#4 div8u::rem#8 div8u::rem#5 div8u::rem#1 div8u::rem#2 div8u::rem#3 ]
-zp ZP_BYTE:11 [ div8u::dividend#2 div8u::dividend#0 div8u::dividend#1 test_8u::res#0 ]
-zp ZP_BYTE:12 [ div8u::quotient#3 div8u::return#1 div8u::quotient#1 div8u::quotient#2 ]
+zp ZP_BYTE:18 [ div8u::dividend#2 div8u::dividend#0 div8u::dividend#1 ]
+zp ZP_BYTE:19 [ div8u::quotient#3 div8u::return#1 div8u::quotient#1 div8u::quotient#2 ]
 reg byte x [ div8u::i#2 div8u::i#1 ]
-zp ZP_WORD:13 [ test_16u::dividend#0 ]
-zp ZP_WORD:15 [ test_16u::divisor#0 div16u::divisor#0 ]
-zp ZP_WORD:17 [ test_16u::res#0 ]
+zp ZP_WORD:20 [ print_cls::sc#2 print_cls::sc#1 ]
+zp ZP_WORD:22 [ test_16u::divisor#0 div16u::divisor#0 ]
 reg byte a [ print_byte::$0 ]
 reg byte a [ print_byte::$2 ]
 reg byte a [ div16u::$1 ]
 reg byte a [ div16u::$2 ]
-zp ZP_BYTE:19 [ test_8u::dividend#0 ]
-zp ZP_BYTE:20 [ test_8u::divisor#0 div8u::divisor#0 ]
+zp ZP_BYTE:24 [ test_8u::dividend#0 ]
+zp ZP_BYTE:25 [ test_8u::divisor#0 div8u::divisor#0 ]
 reg byte a [ div8u::return#0 ]
+zp ZP_BYTE:26 [ test_8u::res#0 ]
 reg byte a [ div8u::$1 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/flipper-rex2.asm b/src/test/java/dk/camelot64/kickc/test/ref/flipper-rex2.asm
index 2056b7924..b3903697c 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/flipper-rex2.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/flipper-rex2.asm
@@ -55,8 +55,8 @@ plot: {
     rts
 }
 flip: {
-    .label c = 5
-    .label r = 4
+    .label c = 6
+    .label r = 5
     lda #$10
     sta r
     ldx #$f
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/flipper-rex2.log b/src/test/java/dk/camelot64/kickc/test/ref/flipper-rex2.log
index 5b8c43e17..0875f9869 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/flipper-rex2.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/flipper-rex2.log
@@ -1523,10 +1523,10 @@ Attempting to uplift remaining variables inzp ZP_BYTE:5 [ plot::y#4 plot::y#1 ]
 Uplifting [plot] best 119922 combination zp ZP_BYTE:5 [ plot::y#4 plot::y#1 ] 
 Attempting to uplift remaining variables inzp ZP_BYTE:8 [ flip::r#4 flip::r#1 ]
 Uplifting [flip] best 119922 combination zp ZP_BYTE:8 [ flip::r#4 flip::r#1 ] 
-Coalescing zero page register [ zp ZP_BYTE:5 [ plot::y#4 plot::y#1 ] ] with [ zp ZP_BYTE:8 [ flip::r#4 flip::r#1 ] ]
 Allocated (was zp ZP_WORD:3) zp ZP_WORD:2 [ plot::line#4 plot::line#1 ]
-Allocated (was zp ZP_BYTE:5) zp ZP_BYTE:4 [ plot::y#4 plot::y#1 flip::r#4 flip::r#1 ]
-Allocated (was zp ZP_BYTE:11) zp ZP_BYTE:5 [ flip::c#2 flip::c#1 ]
+Allocated (was zp ZP_BYTE:5) zp ZP_BYTE:4 [ plot::y#4 plot::y#1 ]
+Allocated (was zp ZP_BYTE:8) zp ZP_BYTE:5 [ flip::r#4 flip::r#1 ]
+Allocated (was zp ZP_BYTE:11) zp ZP_BYTE:6 [ flip::c#2 flip::c#1 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -1693,8 +1693,8 @@ plot: {
 }
 //SEG63 flip
 flip: {
-    .label c = 5
-    .label r = 4
+    .label c = 6
+    .label r = 5
   //SEG64 [29] phi from flip to flip::@1 [phi:flip->flip::@1]
   b1_from_flip:
   //SEG65 [29] phi (byte) flip::r#4 = (byte/signed byte/word/signed word/dword/signed dword) 16 [phi:flip->flip::@1#0] -- vbuz1=vbuc1 
@@ -1914,8 +1914,8 @@ FINAL SYMBOL TABLE
 (label) flip::@4
 (label) flip::@return
 (byte) flip::c
-(byte) flip::c#1 c zp ZP_BYTE:5 1501.5
-(byte) flip::c#2 c zp ZP_BYTE:5 500.5
+(byte) flip::c#1 c zp ZP_BYTE:6 1501.5
+(byte) flip::c#2 c zp ZP_BYTE:6 500.5
 (byte) flip::dstIdx
 (byte) flip::dstIdx#1 reg byte x 701.0
 (byte) flip::dstIdx#2 reg byte x 67.33333333333333
@@ -1925,8 +1925,8 @@ FINAL SYMBOL TABLE
 (byte) flip::i#1 reg byte x 151.5
 (byte) flip::i#2 reg byte x 202.0
 (byte) flip::r
-(byte) flip::r#1 r zp ZP_BYTE:4 151.5
-(byte) flip::r#4 r zp ZP_BYTE:4 25.25
+(byte) flip::r#1 r zp ZP_BYTE:5 151.5
+(byte) flip::r#4 r zp ZP_BYTE:5 25.25
 (byte) flip::srcIdx
 (byte) flip::srcIdx#1 reg byte y 300.42857142857144
 (byte) flip::srcIdx#2 reg byte y 1552.0
@@ -1969,12 +1969,13 @@ FINAL SYMBOL TABLE
 
 reg byte x [ main::c#4 main::c#1 ]
 zp ZP_WORD:2 [ plot::line#4 plot::line#1 ]
-zp ZP_BYTE:4 [ plot::y#4 plot::y#1 flip::r#4 flip::r#1 ]
+zp ZP_BYTE:4 [ plot::y#4 plot::y#1 ]
 reg byte x [ plot::i#2 plot::i#3 plot::i#1 ]
 reg byte y [ plot::x#2 plot::x#1 ]
+zp ZP_BYTE:5 [ flip::r#4 flip::r#1 ]
 reg byte y [ flip::srcIdx#2 flip::srcIdx#3 flip::srcIdx#1 ]
 reg byte x [ flip::dstIdx#3 flip::dstIdx#5 flip::dstIdx#2 flip::dstIdx#1 ]
-zp ZP_BYTE:5 [ flip::c#2 flip::c#1 ]
+zp ZP_BYTE:6 [ flip::c#2 flip::c#1 ]
 reg byte x [ flip::i#2 flip::i#1 ]
 reg byte x [ prepare::i#2 prepare::i#1 ]
 
@@ -2103,8 +2104,8 @@ plot: {
 }
 //SEG63 flip
 flip: {
-    .label c = 5
-    .label r = 4
+    .label c = 6
+    .label r = 5
   //SEG64 [29] phi from flip to flip::@1 [phi:flip->flip::@1]
   //SEG65 [29] phi (byte) flip::r#4 = (byte/signed byte/word/signed word/dword/signed dword) 16 [phi:flip->flip::@1#0] -- vbuz1=vbuc1 
     lda #$10
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/flipper-rex2.sym b/src/test/java/dk/camelot64/kickc/test/ref/flipper-rex2.sym
index d0cc717dc..7bc5bdec1 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/flipper-rex2.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/flipper-rex2.sym
@@ -16,8 +16,8 @@
 (label) flip::@4
 (label) flip::@return
 (byte) flip::c
-(byte) flip::c#1 c zp ZP_BYTE:5 1501.5
-(byte) flip::c#2 c zp ZP_BYTE:5 500.5
+(byte) flip::c#1 c zp ZP_BYTE:6 1501.5
+(byte) flip::c#2 c zp ZP_BYTE:6 500.5
 (byte) flip::dstIdx
 (byte) flip::dstIdx#1 reg byte x 701.0
 (byte) flip::dstIdx#2 reg byte x 67.33333333333333
@@ -27,8 +27,8 @@
 (byte) flip::i#1 reg byte x 151.5
 (byte) flip::i#2 reg byte x 202.0
 (byte) flip::r
-(byte) flip::r#1 r zp ZP_BYTE:4 151.5
-(byte) flip::r#4 r zp ZP_BYTE:4 25.25
+(byte) flip::r#1 r zp ZP_BYTE:5 151.5
+(byte) flip::r#4 r zp ZP_BYTE:5 25.25
 (byte) flip::srcIdx
 (byte) flip::srcIdx#1 reg byte y 300.42857142857144
 (byte) flip::srcIdx#2 reg byte y 1552.0
@@ -71,11 +71,12 @@
 
 reg byte x [ main::c#4 main::c#1 ]
 zp ZP_WORD:2 [ plot::line#4 plot::line#1 ]
-zp ZP_BYTE:4 [ plot::y#4 plot::y#1 flip::r#4 flip::r#1 ]
+zp ZP_BYTE:4 [ plot::y#4 plot::y#1 ]
 reg byte x [ plot::i#2 plot::i#3 plot::i#1 ]
 reg byte y [ plot::x#2 plot::x#1 ]
+zp ZP_BYTE:5 [ flip::r#4 flip::r#1 ]
 reg byte y [ flip::srcIdx#2 flip::srcIdx#3 flip::srcIdx#1 ]
 reg byte x [ flip::dstIdx#3 flip::dstIdx#5 flip::dstIdx#2 flip::dstIdx#1 ]
-zp ZP_BYTE:5 [ flip::c#2 flip::c#1 ]
+zp ZP_BYTE:6 [ flip::c#2 flip::c#1 ]
 reg byte x [ flip::i#2 flip::i#1 ]
 reg byte x [ prepare::i#2 prepare::i#1 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/halfscii.asm b/src/test/java/dk/camelot64/kickc/test/ref/halfscii.asm
index 668d433a1..8a0358c44 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/halfscii.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/halfscii.asm
@@ -9,9 +9,9 @@
   jsr main
 main: {
     .label _1 = 8
-    .label _11 = 8
-    .label _21 = 8
-    .label _30 = 8
+    .label _11 = 9
+    .label _21 = $a
+    .label _30 = $b
     .label chargen1 = 6
     .label charset4 = 4
     .label chargen = 2
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/halfscii.log b/src/test/java/dk/camelot64/kickc/test/ref/halfscii.log
index ad6c99b99..712114a05 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/halfscii.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/halfscii.log
@@ -1820,11 +1820,11 @@ Attempting to uplift remaining variables inzp ZP_BYTE:20 [ main::$11 ]
 Uplifting [main] best 3563 combination zp ZP_BYTE:20 [ main::$11 ] 
 Attempting to uplift remaining variables inzp ZP_BYTE:27 [ main::$21 ]
 Uplifting [main] best 3563 combination zp ZP_BYTE:27 [ main::$21 ] 
-Coalescing zero page register [ zp ZP_BYTE:13 [ main::$1 ] ] with [ zp ZP_BYTE:20 [ main::$11 ] ]
-Coalescing zero page register [ zp ZP_BYTE:13 [ main::$1 main::$11 ] ] with [ zp ZP_BYTE:27 [ main::$21 ] ]
-Coalescing zero page register [ zp ZP_BYTE:13 [ main::$1 main::$11 main::$21 ] ] with [ zp ZP_BYTE:33 [ main::$30 ] ]
 Allocated (was zp ZP_WORD:11) zp ZP_WORD:6 [ main::chargen1#0 ]
-Allocated (was zp ZP_BYTE:13) zp ZP_BYTE:8 [ main::$1 main::$11 main::$21 main::$30 ]
+Allocated (was zp ZP_BYTE:13) zp ZP_BYTE:8 [ main::$1 ]
+Allocated (was zp ZP_BYTE:20) zp ZP_BYTE:9 [ main::$11 ]
+Allocated (was zp ZP_BYTE:27) zp ZP_BYTE:10 [ main::$21 ]
+Allocated (was zp ZP_BYTE:33) zp ZP_BYTE:11 [ main::$30 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -1854,9 +1854,9 @@ bend:
 //SEG8 main
 main: {
     .label _1 = 8
-    .label _11 = 8
-    .label _21 = 8
-    .label _30 = 8
+    .label _11 = 9
+    .label _21 = $a
+    .label _30 = $b
     .label chargen1 = 6
     .label charset4 = 4
     .label chargen = 2
@@ -2192,20 +2192,20 @@ FINAL SYMBOL TABLE
 (const byte[]) bits_count#0 bits_count = { (byte/signed byte/word/signed word/dword/signed dword) 0, (byte/signed byte/word/signed word/dword/signed dword) 1, (byte/signed byte/word/signed word/dword/signed dword) 1, (byte/signed byte/word/signed word/dword/signed dword) 2, (byte/signed byte/word/signed word/dword/signed dword) 1, (byte/signed byte/word/signed word/dword/signed dword) 2, (byte/signed byte/word/signed word/dword/signed dword) 2, (byte/signed byte/word/signed word/dword/signed dword) 3, (byte/signed byte/word/signed word/dword/signed dword) 1, (byte/signed byte/word/signed word/dword/signed dword) 2, (byte/signed byte/word/signed word/dword/signed dword) 2, (byte/signed byte/word/signed word/dword/signed dword) 3, (byte/signed byte/word/signed word/dword/signed dword) 2, (byte/signed byte/word/signed word/dword/signed dword) 3, (byte/signed byte/word/signed word/dword/signed dword) 3, (byte/signed byte/word/signed word/dword/signed dword) 4 }
 (void()) main()
 (byte~) main::$1 $1 zp ZP_BYTE:8 7.333333333333333
-(byte~) main::$11 $11 zp ZP_BYTE:8 7.333333333333333
+(byte~) main::$11 $11 zp ZP_BYTE:9 7.333333333333333
 (byte~) main::$12 reg byte a 22.0
 (byte~) main::$13 reg byte a 22.0
 (byte~) main::$14 reg byte a 22.0
 (byte~) main::$15 reg byte a 22.0
 (byte~) main::$2 reg byte a 22.0
 (byte~) main::$20 reg byte a 22.0
-(byte~) main::$21 $21 zp ZP_BYTE:8 7.333333333333333
+(byte~) main::$21 $21 zp ZP_BYTE:10 7.333333333333333
 (byte~) main::$22 reg byte a 22.0
 (byte~) main::$23 reg byte a 22.0
 (byte~) main::$24 reg byte a 22.0
 (byte~) main::$29 reg byte a 22.0
 (byte~) main::$3 reg byte a 22.0
-(byte~) main::$30 $30 zp ZP_BYTE:8 11.0
+(byte~) main::$30 $30 zp ZP_BYTE:11 11.0
 (byte~) main::$31 reg byte a 22.0
 (byte~) main::$32 reg byte a 22.0
 (byte~) main::$4 reg byte a 22.0
@@ -2261,24 +2261,27 @@ reg byte x [ main::bits_gen#13 main::bits_gen#14 main::bits_gen#6 ]
 reg byte x [ main::bits_gen#15 main::bits_gen#8 main::bits_gen#16 ]
 reg byte x [ main::i#2 main::i#1 ]
 zp ZP_WORD:6 [ main::chargen1#0 ]
-zp ZP_BYTE:8 [ main::$1 main::$11 main::$21 main::$30 ]
+zp ZP_BYTE:8 [ main::$1 ]
 reg byte a [ main::$2 ]
 reg byte a [ main::$3 ]
 reg byte a [ main::$4 ]
 reg byte a [ main::$5 ]
 reg byte a [ main::$6 ]
 reg byte a [ main::bits#0 ]
+zp ZP_BYTE:9 [ main::$11 ]
 reg byte a [ main::$12 ]
 reg byte a [ main::$13 ]
 reg byte a [ main::$14 ]
 reg byte a [ main::$15 ]
 reg byte a [ main::bits#1 ]
 reg byte a [ main::$20 ]
+zp ZP_BYTE:10 [ main::$21 ]
 reg byte a [ main::$22 ]
 reg byte a [ main::$23 ]
 reg byte a [ main::$24 ]
 reg byte a [ main::bits#2 ]
 reg byte a [ main::$29 ]
+zp ZP_BYTE:11 [ main::$30 ]
 reg byte a [ main::$31 ]
 reg byte a [ main::$32 ]
 reg byte a [ main::bits#3 ]
@@ -2308,9 +2311,9 @@ Score: 3054
 //SEG8 main
 main: {
     .label _1 = 8
-    .label _11 = 8
-    .label _21 = 8
-    .label _30 = 8
+    .label _11 = 9
+    .label _21 = $a
+    .label _30 = $b
     .label chargen1 = 6
     .label charset4 = 4
     .label chargen = 2
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/halfscii.sym b/src/test/java/dk/camelot64/kickc/test/ref/halfscii.sym
index 501adbb3d..5a4963453 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/halfscii.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/halfscii.sym
@@ -15,20 +15,20 @@
 (const byte[]) bits_count#0 bits_count = { (byte/signed byte/word/signed word/dword/signed dword) 0, (byte/signed byte/word/signed word/dword/signed dword) 1, (byte/signed byte/word/signed word/dword/signed dword) 1, (byte/signed byte/word/signed word/dword/signed dword) 2, (byte/signed byte/word/signed word/dword/signed dword) 1, (byte/signed byte/word/signed word/dword/signed dword) 2, (byte/signed byte/word/signed word/dword/signed dword) 2, (byte/signed byte/word/signed word/dword/signed dword) 3, (byte/signed byte/word/signed word/dword/signed dword) 1, (byte/signed byte/word/signed word/dword/signed dword) 2, (byte/signed byte/word/signed word/dword/signed dword) 2, (byte/signed byte/word/signed word/dword/signed dword) 3, (byte/signed byte/word/signed word/dword/signed dword) 2, (byte/signed byte/word/signed word/dword/signed dword) 3, (byte/signed byte/word/signed word/dword/signed dword) 3, (byte/signed byte/word/signed word/dword/signed dword) 4 }
 (void()) main()
 (byte~) main::$1 $1 zp ZP_BYTE:8 7.333333333333333
-(byte~) main::$11 $11 zp ZP_BYTE:8 7.333333333333333
+(byte~) main::$11 $11 zp ZP_BYTE:9 7.333333333333333
 (byte~) main::$12 reg byte a 22.0
 (byte~) main::$13 reg byte a 22.0
 (byte~) main::$14 reg byte a 22.0
 (byte~) main::$15 reg byte a 22.0
 (byte~) main::$2 reg byte a 22.0
 (byte~) main::$20 reg byte a 22.0
-(byte~) main::$21 $21 zp ZP_BYTE:8 7.333333333333333
+(byte~) main::$21 $21 zp ZP_BYTE:10 7.333333333333333
 (byte~) main::$22 reg byte a 22.0
 (byte~) main::$23 reg byte a 22.0
 (byte~) main::$24 reg byte a 22.0
 (byte~) main::$29 reg byte a 22.0
 (byte~) main::$3 reg byte a 22.0
-(byte~) main::$30 $30 zp ZP_BYTE:8 11.0
+(byte~) main::$30 $30 zp ZP_BYTE:11 11.0
 (byte~) main::$31 reg byte a 22.0
 (byte~) main::$32 reg byte a 22.0
 (byte~) main::$4 reg byte a 22.0
@@ -84,24 +84,27 @@ reg byte x [ main::bits_gen#13 main::bits_gen#14 main::bits_gen#6 ]
 reg byte x [ main::bits_gen#15 main::bits_gen#8 main::bits_gen#16 ]
 reg byte x [ main::i#2 main::i#1 ]
 zp ZP_WORD:6 [ main::chargen1#0 ]
-zp ZP_BYTE:8 [ main::$1 main::$11 main::$21 main::$30 ]
+zp ZP_BYTE:8 [ main::$1 ]
 reg byte a [ main::$2 ]
 reg byte a [ main::$3 ]
 reg byte a [ main::$4 ]
 reg byte a [ main::$5 ]
 reg byte a [ main::$6 ]
 reg byte a [ main::bits#0 ]
+zp ZP_BYTE:9 [ main::$11 ]
 reg byte a [ main::$12 ]
 reg byte a [ main::$13 ]
 reg byte a [ main::$14 ]
 reg byte a [ main::$15 ]
 reg byte a [ main::bits#1 ]
 reg byte a [ main::$20 ]
+zp ZP_BYTE:10 [ main::$21 ]
 reg byte a [ main::$22 ]
 reg byte a [ main::$23 ]
 reg byte a [ main::$24 ]
 reg byte a [ main::bits#2 ]
 reg byte a [ main::$29 ]
+zp ZP_BYTE:11 [ main::$30 ]
 reg byte a [ main::$31 ]
 reg byte a [ main::$32 ]
 reg byte a [ main::bits#3 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/incrementinarray.asm b/src/test/java/dk/camelot64/kickc/test/ref/incrementinarray.asm
index 1fab21b3b..157591ead 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/incrementinarray.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/incrementinarray.asm
@@ -79,7 +79,7 @@ print_str: {
     jmp b1
 }
 print_cls: {
-    .label sc = 2
+    .label sc = 8
     lda #<$400
     sta sc
     lda #>$400
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/incrementinarray.log b/src/test/java/dk/camelot64/kickc/test/ref/incrementinarray.log
index 376698190..fb5f1fe35 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/incrementinarray.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/incrementinarray.log
@@ -1237,10 +1237,10 @@ Uplifting [print_str] best 12807 combination zp ZP_WORD:5 [ print_str::str#2 pri
 Uplifting [print_cls] best 12807 combination zp ZP_WORD:9 [ print_cls::sc#2 print_cls::sc#1 ] 
 Uplifting [main] best 12717 combination reg byte x [ main::i#2 main::i#1 ] 
 Uplifting [print_ln] best 12717 combination 
-Coalescing zero page register [ zp ZP_WORD:3 [ line_cursor#6 line_cursor#13 line_cursor#1 ] ] with [ zp ZP_WORD:9 [ print_cls::sc#2 print_cls::sc#1 ] ]
-Allocated (was zp ZP_WORD:3) zp ZP_WORD:2 [ line_cursor#6 line_cursor#13 line_cursor#1 print_cls::sc#2 print_cls::sc#1 ]
+Allocated (was zp ZP_WORD:3) zp ZP_WORD:2 [ line_cursor#6 line_cursor#13 line_cursor#1 ]
 Allocated (was zp ZP_WORD:5) zp ZP_WORD:4 [ print_str::str#2 print_str::str#0 ]
 Allocated (was zp ZP_WORD:7) zp ZP_WORD:6 [ char_cursor#10 char_cursor#19 char_cursor#25 char_cursor#1 ]
+Allocated (was zp ZP_WORD:9) zp ZP_WORD:8 [ print_cls::sc#2 print_cls::sc#1 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -1415,7 +1415,7 @@ print_str: {
 }
 //SEG58 print_cls
 print_cls: {
-    .label sc = 2
+    .label sc = 8
   //SEG59 [28] phi from print_cls to print_cls::@1 [phi:print_cls->print_cls::@1]
   b1_from_print_cls:
   //SEG60 [28] phi (byte*) print_cls::sc#2 = ((byte*))(word/signed word/dword/signed dword) 1024 [phi:print_cls->print_cls::@1#0] -- pbuz1=pbuc1 
@@ -1529,8 +1529,8 @@ FINAL SYMBOL TABLE
 (label) print_cls::@1
 (label) print_cls::@return
 (byte*) print_cls::sc
-(byte*) print_cls::sc#1 sc zp ZP_WORD:2 16.5
-(byte*) print_cls::sc#2 sc zp ZP_WORD:2 16.5
+(byte*) print_cls::sc#1 sc zp ZP_WORD:8 16.5
+(byte*) print_cls::sc#2 sc zp ZP_WORD:8 16.5
 (void()) print_ln()
 (label) print_ln::@1
 (label) print_ln::@return
@@ -1545,9 +1545,10 @@ FINAL SYMBOL TABLE
 (const string) txt#0 txt = (string) "camelot@"
 
 reg byte x [ main::i#2 main::i#1 ]
-zp ZP_WORD:2 [ line_cursor#6 line_cursor#13 line_cursor#1 print_cls::sc#2 print_cls::sc#1 ]
+zp ZP_WORD:2 [ line_cursor#6 line_cursor#13 line_cursor#1 ]
 zp ZP_WORD:4 [ print_str::str#2 print_str::str#0 ]
 zp ZP_WORD:6 [ char_cursor#10 char_cursor#19 char_cursor#25 char_cursor#1 ]
+zp ZP_WORD:8 [ print_cls::sc#2 print_cls::sc#1 ]
 
 
 FINAL ASSEMBLER
@@ -1693,7 +1694,7 @@ print_str: {
 }
 //SEG58 print_cls
 print_cls: {
-    .label sc = 2
+    .label sc = 8
   //SEG59 [28] phi from print_cls to print_cls::@1 [phi:print_cls->print_cls::@1]
   //SEG60 [28] phi (byte*) print_cls::sc#2 = ((byte*))(word/signed word/dword/signed dword) 1024 [phi:print_cls->print_cls::@1#0] -- pbuz1=pbuc1 
     lda #<$400
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/incrementinarray.sym b/src/test/java/dk/camelot64/kickc/test/ref/incrementinarray.sym
index 07a281fc5..5c69f2577 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/incrementinarray.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/incrementinarray.sym
@@ -23,8 +23,8 @@
 (label) print_cls::@1
 (label) print_cls::@return
 (byte*) print_cls::sc
-(byte*) print_cls::sc#1 sc zp ZP_WORD:2 16.5
-(byte*) print_cls::sc#2 sc zp ZP_WORD:2 16.5
+(byte*) print_cls::sc#1 sc zp ZP_WORD:8 16.5
+(byte*) print_cls::sc#2 sc zp ZP_WORD:8 16.5
 (void()) print_ln()
 (label) print_ln::@1
 (label) print_ln::@return
@@ -39,6 +39,7 @@
 (const string) txt#0 txt = (string) "camelot@"
 
 reg byte x [ main::i#2 main::i#1 ]
-zp ZP_WORD:2 [ line_cursor#6 line_cursor#13 line_cursor#1 print_cls::sc#2 print_cls::sc#1 ]
+zp ZP_WORD:2 [ line_cursor#6 line_cursor#13 line_cursor#1 ]
 zp ZP_WORD:4 [ print_str::str#2 print_str::str#0 ]
 zp ZP_WORD:6 [ char_cursor#10 char_cursor#19 char_cursor#25 char_cursor#1 ]
+zp ZP_WORD:8 [ print_cls::sc#2 print_cls::sc#1 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/ptr-complex.asm b/src/test/java/dk/camelot64/kickc/test/ref/ptr-complex.asm
index a8ccc6cc9..c028b7194 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/ptr-complex.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/ptr-complex.asm
@@ -7,8 +7,8 @@ main: {
     .label BGCOL = $d020
     .label sc2 = screen+$51
     .label _2 = 2
-    .label _9 = 2
-    .label _11 = 4
+    .label _9 = 4
+    .label _11 = 6
     ldx #0
   b1:
     txa
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/ptr-complex.log b/src/test/java/dk/camelot64/kickc/test/ref/ptr-complex.log
index 54abc7738..62e68df4e 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/ptr-complex.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/ptr-complex.log
@@ -644,9 +644,9 @@ Uplift Scope []
 
 Uplifting [main] best 1165 combination reg byte x [ main::i#2 main::i#1 ] reg byte x [ main::j#2 main::j#1 ] zp ZP_WORD:4 [ main::$2 ] zp ZP_WORD:8 [ main::$11 ] zp ZP_WORD:6 [ main::$9 ] 
 Uplifting [] best 1165 combination 
-Coalescing zero page register [ zp ZP_WORD:4 [ main::$2 ] ] with [ zp ZP_WORD:6 [ main::$9 ] ]
-Allocated (was zp ZP_WORD:4) zp ZP_WORD:2 [ main::$2 main::$9 ]
-Allocated (was zp ZP_WORD:8) zp ZP_WORD:4 [ main::$11 ]
+Allocated (was zp ZP_WORD:4) zp ZP_WORD:2 [ main::$2 ]
+Allocated (was zp ZP_WORD:6) zp ZP_WORD:4 [ main::$9 ]
+Allocated (was zp ZP_WORD:8) zp ZP_WORD:6 [ main::$11 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -676,8 +676,8 @@ main: {
     .label BGCOL = $d020
     .label sc2 = screen+$51
     .label _2 = 2
-    .label _9 = 2
-    .label _11 = 4
+    .label _9 = 4
+    .label _11 = 6
   //SEG10 [5] phi from main to main::@1 [phi:main->main::@1]
   b1_from_main:
   //SEG11 [5] phi (byte) main::i#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1 
@@ -805,9 +805,9 @@ FINAL SYMBOL TABLE
 (label) @begin
 (label) @end
 (void()) main()
-(byte*~) main::$11 $11 zp ZP_WORD:4 22.0
+(byte*~) main::$11 $11 zp ZP_WORD:6 22.0
 (byte*~) main::$2 $2 zp ZP_WORD:2 22.0
-(byte*~) main::$9 $9 zp ZP_WORD:2 11.0
+(byte*~) main::$9 $9 zp ZP_WORD:4 11.0
 (label) main::@1
 (label) main::@2
 (label) main::@3
@@ -828,8 +828,9 @@ FINAL SYMBOL TABLE
 
 reg byte x [ main::i#2 main::i#1 ]
 reg byte x [ main::j#2 main::j#1 ]
-zp ZP_WORD:2 [ main::$2 main::$9 ]
-zp ZP_WORD:4 [ main::$11 ]
+zp ZP_WORD:2 [ main::$2 ]
+zp ZP_WORD:4 [ main::$9 ]
+zp ZP_WORD:6 [ main::$11 ]
 
 
 FINAL ASSEMBLER
@@ -854,8 +855,8 @@ main: {
     .label BGCOL = $d020
     .label sc2 = screen+$51
     .label _2 = 2
-    .label _9 = 2
-    .label _11 = 4
+    .label _9 = 4
+    .label _11 = 6
   //SEG10 [5] phi from main to main::@1 [phi:main->main::@1]
   //SEG11 [5] phi (byte) main::i#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1 
     ldx #0
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/ptr-complex.sym b/src/test/java/dk/camelot64/kickc/test/ref/ptr-complex.sym
index cbde774f9..c2bd98780 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/ptr-complex.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/ptr-complex.sym
@@ -2,9 +2,9 @@
 (label) @begin
 (label) @end
 (void()) main()
-(byte*~) main::$11 $11 zp ZP_WORD:4 22.0
+(byte*~) main::$11 $11 zp ZP_WORD:6 22.0
 (byte*~) main::$2 $2 zp ZP_WORD:2 22.0
-(byte*~) main::$9 $9 zp ZP_WORD:2 11.0
+(byte*~) main::$9 $9 zp ZP_WORD:4 11.0
 (label) main::@1
 (label) main::@2
 (label) main::@3
@@ -25,5 +25,6 @@
 
 reg byte x [ main::i#2 main::i#1 ]
 reg byte x [ main::j#2 main::j#1 ]
-zp ZP_WORD:2 [ main::$2 main::$9 ]
-zp ZP_WORD:4 [ main::$11 ]
+zp ZP_WORD:2 [ main::$2 ]
+zp ZP_WORD:4 [ main::$9 ]
+zp ZP_WORD:6 [ main::$11 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/ptrtest.asm b/src/test/java/dk/camelot64/kickc/test/ref/ptrtest.asm
index d150f1cf5..ff287bc8e 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/ptrtest.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/ptrtest.asm
@@ -33,7 +33,7 @@ lvaluevar: {
     jmp b1
 }
 rvaluevar: {
-    .label screen = 2
+    .label screen = 4
     lda #<$400
     sta screen
     lda #>$400
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/ptrtest.log b/src/test/java/dk/camelot64/kickc/test/ref/ptrtest.log
index 02b7ce77f..2f2093e8b 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/ptrtest.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/ptrtest.log
@@ -1089,8 +1089,8 @@ Uplifting [rvalue] best 1530 combination reg byte x [ rvalue::i#2 rvalue::i#1 ]
 Uplifting [lvalue] best 1410 combination reg byte x [ lvalue::i#2 lvalue::i#1 ] 
 Uplifting [main] best 1410 combination 
 Uplifting [] best 1410 combination 
-Coalescing zero page register [ zp ZP_WORD:3 [ lvaluevar::screen#2 lvaluevar::screen#1 ] ] with [ zp ZP_WORD:6 [ rvaluevar::screen#2 rvaluevar::screen#1 ] ]
-Allocated (was zp ZP_WORD:3) zp ZP_WORD:2 [ lvaluevar::screen#2 lvaluevar::screen#1 rvaluevar::screen#2 rvaluevar::screen#1 ]
+Allocated (was zp ZP_WORD:3) zp ZP_WORD:2 [ lvaluevar::screen#2 lvaluevar::screen#1 ]
+Allocated (was zp ZP_WORD:6) zp ZP_WORD:4 [ rvaluevar::screen#2 rvaluevar::screen#1 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -1196,7 +1196,7 @@ lvaluevar: {
 }
 //SEG40 rvaluevar
 rvaluevar: {
-    .label screen = 2
+    .label screen = 4
   //SEG41 [21] phi from rvaluevar to rvaluevar::@1 [phi:rvaluevar->rvaluevar::@1]
   b1_from_rvaluevar:
   //SEG42 [21] phi (byte*) rvaluevar::screen#2 = ((byte*))(word/signed word/dword/signed dword) 1024 [phi:rvaluevar->rvaluevar::@1#0] -- pbuz1=pbuc1 
@@ -1390,12 +1390,13 @@ FINAL SYMBOL TABLE
 (byte) rvaluevar::i#1 reg byte x 22.0
 (byte) rvaluevar::i#2 reg byte x 11.0
 (byte*) rvaluevar::screen
-(byte*) rvaluevar::screen#1 screen zp ZP_WORD:2 11.0
-(byte*) rvaluevar::screen#2 screen zp ZP_WORD:2 11.0
+(byte*) rvaluevar::screen#1 screen zp ZP_WORD:4 11.0
+(byte*) rvaluevar::screen#2 screen zp ZP_WORD:4 11.0
 
 reg byte x [ lvaluevar::i#2 lvaluevar::i#1 ]
-zp ZP_WORD:2 [ lvaluevar::screen#2 lvaluevar::screen#1 rvaluevar::screen#2 rvaluevar::screen#1 ]
+zp ZP_WORD:2 [ lvaluevar::screen#2 lvaluevar::screen#1 ]
 reg byte x [ rvaluevar::i#2 rvaluevar::i#1 ]
+zp ZP_WORD:4 [ rvaluevar::screen#2 rvaluevar::screen#1 ]
 reg byte x [ rvalue::i#2 rvalue::i#1 ]
 reg byte x [ lvalue::i#2 lvalue::i#1 ]
 
@@ -1479,7 +1480,7 @@ lvaluevar: {
 }
 //SEG40 rvaluevar
 rvaluevar: {
-    .label screen = 2
+    .label screen = 4
   //SEG41 [21] phi from rvaluevar to rvaluevar::@1 [phi:rvaluevar->rvaluevar::@1]
   //SEG42 [21] phi (byte*) rvaluevar::screen#2 = ((byte*))(word/signed word/dword/signed dword) 1024 [phi:rvaluevar->rvaluevar::@1#0] -- pbuz1=pbuc1 
     lda #<$400
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/ptrtest.sym b/src/test/java/dk/camelot64/kickc/test/ref/ptrtest.sym
index 8a60e0e43..2c38ddfa5 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/ptrtest.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/ptrtest.sym
@@ -44,11 +44,12 @@
 (byte) rvaluevar::i#1 reg byte x 22.0
 (byte) rvaluevar::i#2 reg byte x 11.0
 (byte*) rvaluevar::screen
-(byte*) rvaluevar::screen#1 screen zp ZP_WORD:2 11.0
-(byte*) rvaluevar::screen#2 screen zp ZP_WORD:2 11.0
+(byte*) rvaluevar::screen#1 screen zp ZP_WORD:4 11.0
+(byte*) rvaluevar::screen#2 screen zp ZP_WORD:4 11.0
 
 reg byte x [ lvaluevar::i#2 lvaluevar::i#1 ]
-zp ZP_WORD:2 [ lvaluevar::screen#2 lvaluevar::screen#1 rvaluevar::screen#2 rvaluevar::screen#1 ]
+zp ZP_WORD:2 [ lvaluevar::screen#2 lvaluevar::screen#1 ]
 reg byte x [ rvaluevar::i#2 rvaluevar::i#1 ]
+zp ZP_WORD:4 [ rvaluevar::screen#2 rvaluevar::screen#1 ]
 reg byte x [ rvalue::i#2 rvalue::i#1 ]
 reg byte x [ lvalue::i#2 lvalue::i#1 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/scroll.asm b/src/test/java/dk/camelot64/kickc/test/ref/scroll.asm
index bfeb4d888..7d13e974d 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/scroll.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/scroll.asm
@@ -58,7 +58,7 @@ main: {
 }
 fillscreen: {
     .const fill = $20
-    .label cursor = 2
+    .label cursor = 4
     lda #<SCREEN
     sta cursor
     lda #>SCREEN
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/scroll.log b/src/test/java/dk/camelot64/kickc/test/ref/scroll.log
index 4041813f3..8a2c51c09 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/scroll.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/scroll.log
@@ -1266,8 +1266,8 @@ Uplift Scope []
 Uplifting [main] best 8620 combination reg byte x [ main::i#2 main::i#1 ] reg byte x [ main::c#2 main::c#0 main::c#1 ] zp ZP_WORD:5 [ main::nxt#4 main::nxt#9 main::nxt#10 main::nxt#1 ] reg byte x [ main::scroll#7 main::scroll#10 main::scroll#1 ] 
 Uplifting [fillscreen] best 8620 combination zp ZP_WORD:7 [ fillscreen::cursor#2 fillscreen::cursor#1 ] 
 Uplifting [] best 8620 combination 
-Coalescing zero page register [ zp ZP_WORD:5 [ main::nxt#4 main::nxt#9 main::nxt#10 main::nxt#1 ] ] with [ zp ZP_WORD:7 [ fillscreen::cursor#2 fillscreen::cursor#1 ] ]
-Allocated (was zp ZP_WORD:5) zp ZP_WORD:2 [ main::nxt#4 main::nxt#9 main::nxt#10 main::nxt#1 fillscreen::cursor#2 fillscreen::cursor#1 ]
+Allocated (was zp ZP_WORD:5) zp ZP_WORD:2 [ main::nxt#4 main::nxt#9 main::nxt#10 main::nxt#1 ]
+Allocated (was zp ZP_WORD:7) zp ZP_WORD:4 [ fillscreen::cursor#2 fillscreen::cursor#1 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -1429,7 +1429,7 @@ main: {
 //SEG61 fillscreen
 fillscreen: {
     .const fill = $20
-    .label cursor = 2
+    .label cursor = 4
   //SEG62 [28] phi from fillscreen to fillscreen::@1 [phi:fillscreen->fillscreen::@1]
   b1_from_fillscreen:
   //SEG63 [28] phi (byte*) fillscreen::cursor#2 = (const byte*) SCREEN#0 [phi:fillscreen->fillscreen::@1#0] -- pbuz1=pbuc1 
@@ -1550,8 +1550,8 @@ FINAL SYMBOL TABLE
 (label) fillscreen::@1
 (label) fillscreen::@return
 (byte*) fillscreen::cursor
-(byte*) fillscreen::cursor#1 cursor zp ZP_WORD:2 16.5
-(byte*) fillscreen::cursor#2 cursor zp ZP_WORD:2 16.5
+(byte*) fillscreen::cursor#1 cursor zp ZP_WORD:4 16.5
+(byte*) fillscreen::cursor#2 cursor zp ZP_WORD:4 16.5
 (byte) fillscreen::fill
 (const byte) fillscreen::fill#0 fill = (byte/signed byte/word/signed word/dword/signed dword) 32
 (byte*) fillscreen::screen
@@ -1587,7 +1587,8 @@ FINAL SYMBOL TABLE
 reg byte x [ main::scroll#7 main::scroll#10 main::scroll#1 ]
 reg byte x [ main::i#2 main::i#1 ]
 reg byte x [ main::c#2 main::c#0 main::c#1 ]
-zp ZP_WORD:2 [ main::nxt#4 main::nxt#9 main::nxt#10 main::nxt#1 fillscreen::cursor#2 fillscreen::cursor#1 ]
+zp ZP_WORD:2 [ main::nxt#4 main::nxt#9 main::nxt#10 main::nxt#1 ]
+zp ZP_WORD:4 [ fillscreen::cursor#2 fillscreen::cursor#1 ]
 
 
 FINAL ASSEMBLER
@@ -1715,7 +1716,7 @@ main: {
 //SEG61 fillscreen
 fillscreen: {
     .const fill = $20
-    .label cursor = 2
+    .label cursor = 4
   //SEG62 [28] phi from fillscreen to fillscreen::@1 [phi:fillscreen->fillscreen::@1]
   //SEG63 [28] phi (byte*) fillscreen::cursor#2 = (const byte*) SCREEN#0 [phi:fillscreen->fillscreen::@1#0] -- pbuz1=pbuc1 
     lda #<SCREEN
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/scroll.sym b/src/test/java/dk/camelot64/kickc/test/ref/scroll.sym
index abe1becb8..279bc57a9 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/scroll.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/scroll.sym
@@ -15,8 +15,8 @@
 (label) fillscreen::@1
 (label) fillscreen::@return
 (byte*) fillscreen::cursor
-(byte*) fillscreen::cursor#1 cursor zp ZP_WORD:2 16.5
-(byte*) fillscreen::cursor#2 cursor zp ZP_WORD:2 16.5
+(byte*) fillscreen::cursor#1 cursor zp ZP_WORD:4 16.5
+(byte*) fillscreen::cursor#2 cursor zp ZP_WORD:4 16.5
 (byte) fillscreen::fill
 (const byte) fillscreen::fill#0 fill = (byte/signed byte/word/signed word/dword/signed dword) 32
 (byte*) fillscreen::screen
@@ -52,4 +52,5 @@
 reg byte x [ main::scroll#7 main::scroll#10 main::scroll#1 ]
 reg byte x [ main::i#2 main::i#1 ]
 reg byte x [ main::c#2 main::c#0 main::c#1 ]
-zp ZP_WORD:2 [ main::nxt#4 main::nxt#9 main::nxt#10 main::nxt#1 fillscreen::cursor#2 fillscreen::cursor#1 ]
+zp ZP_WORD:2 [ main::nxt#4 main::nxt#9 main::nxt#10 main::nxt#1 ]
+zp ZP_WORD:4 [ fillscreen::cursor#2 fillscreen::cursor#1 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/scrollbig.asm b/src/test/java/dk/camelot64/kickc/test/ref/scrollbig.asm
index c9e72ce0d..00abae3d8 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/scrollbig.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/scrollbig.asm
@@ -155,7 +155,7 @@ next_char: {
 }
 fillscreen: {
     .const fill = $20
-    .label cursor = 3
+    .label cursor = 9
     lda #<SCREEN
     sta cursor
     lda #>SCREEN
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/scrollbig.log b/src/test/java/dk/camelot64/kickc/test/ref/scrollbig.log
index 84261d0ee..3551edd90 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/scrollbig.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/scrollbig.log
@@ -3159,13 +3159,13 @@ Uplifting [main] best 24678 combination
 Uplifting [scroll_soft] best 24678 combination 
 Attempting to uplift remaining variables inzp ZP_BYTE:3 [ current_bit#29 current_bit#12 current_bit#21 current_bit#5 ]
 Uplifting [] best 24678 combination zp ZP_BYTE:3 [ current_bit#29 current_bit#12 current_bit#21 current_bit#5 ] 
-Coalescing zero page register [ zp ZP_WORD:4 [ current_chargen#27 current_chargen#11 current_chargen#19 current_chargen#5 ] ] with [ zp ZP_WORD:14 [ fillscreen::cursor#2 fillscreen::cursor#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:4 [ current_chargen#27 current_chargen#11 current_chargen#19 current_chargen#5 fillscreen::cursor#2 fillscreen::cursor#1 ] ] with [ zp ZP_WORD:18 [ scroll_bit::c#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:4 [ current_chargen#27 current_chargen#11 current_chargen#19 current_chargen#5 fillscreen::cursor#2 fillscreen::cursor#1 scroll_bit::c#0 ] ] with [ zp ZP_WORD:20 [ scroll_bit::$4 ] ]
+Coalescing zero page register [ zp ZP_WORD:4 [ current_chargen#27 current_chargen#11 current_chargen#19 current_chargen#5 ] ] with [ zp ZP_WORD:20 [ scroll_bit::$4 ] ]
+Coalescing zero page register [ zp ZP_WORD:4 [ current_chargen#27 current_chargen#11 current_chargen#19 current_chargen#5 scroll_bit::$4 ] ] with [ zp ZP_WORD:18 [ scroll_bit::c#0 ] ]
 Allocated (was zp ZP_BYTE:3) zp ZP_BYTE:2 [ current_bit#29 current_bit#12 current_bit#21 current_bit#5 ]
-Allocated (was zp ZP_WORD:4) zp ZP_WORD:3 [ current_chargen#27 current_chargen#11 current_chargen#19 current_chargen#5 fillscreen::cursor#2 fillscreen::cursor#1 scroll_bit::c#0 scroll_bit::$4 ]
+Allocated (was zp ZP_WORD:4) zp ZP_WORD:3 [ current_chargen#27 current_chargen#11 current_chargen#19 current_chargen#5 scroll_bit::$4 scroll_bit::c#0 ]
 Allocated (was zp ZP_WORD:7) zp ZP_WORD:5 [ scroll_bit::sc#2 scroll_bit::sc#1 ]
 Allocated (was zp ZP_WORD:11) zp ZP_WORD:7 [ nxt#18 nxt#31 nxt#14 nxt#36 nxt#19 ]
+Allocated (was zp ZP_WORD:14) zp ZP_WORD:9 [ fillscreen::cursor#2 fillscreen::cursor#1 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -3539,7 +3539,7 @@ next_char: {
 //SEG140 fillscreen
 fillscreen: {
     .const fill = $20
-    .label cursor = 3
+    .label cursor = 9
   //SEG141 [67] phi from fillscreen to fillscreen::@1 [phi:fillscreen->fillscreen::@1]
   b1_from_fillscreen:
   //SEG142 [67] phi (byte*) fillscreen::cursor#2 = (const byte*) SCREEN#0 [phi:fillscreen->fillscreen::@1#0] -- pbuz1=pbuc1 
@@ -3711,8 +3711,8 @@ FINAL SYMBOL TABLE
 (label) fillscreen::@1
 (label) fillscreen::@return
 (byte*) fillscreen::cursor
-(byte*) fillscreen::cursor#1 cursor zp ZP_WORD:3 16.5
-(byte*) fillscreen::cursor#2 cursor zp ZP_WORD:3 16.5
+(byte*) fillscreen::cursor#1 cursor zp ZP_WORD:9 16.5
+(byte*) fillscreen::cursor#2 cursor zp ZP_WORD:9 16.5
 (byte) fillscreen::fill
 (const byte) fillscreen::fill#0 fill = (byte/signed byte/word/signed word/dword/signed dword) 32
 (byte*) fillscreen::screen
@@ -3780,13 +3780,14 @@ FINAL SYMBOL TABLE
 
 reg byte x [ scroll#18 scroll#10 scroll#3 ]
 zp ZP_BYTE:2 [ current_bit#29 current_bit#12 current_bit#21 current_bit#5 ]
-zp ZP_WORD:3 [ current_chargen#27 current_chargen#11 current_chargen#19 current_chargen#5 fillscreen::cursor#2 fillscreen::cursor#1 scroll_bit::c#0 scroll_bit::$4 ]
+zp ZP_WORD:3 [ current_chargen#27 current_chargen#11 current_chargen#19 current_chargen#5 scroll_bit::$4 scroll_bit::c#0 ]
 reg byte x [ scroll_bit::r#2 scroll_bit::r#1 ]
 zp ZP_WORD:5 [ scroll_bit::sc#2 scroll_bit::sc#1 ]
 reg byte a [ scroll_bit::b#2 ]
 reg byte x [ scroll_hard::i#2 scroll_hard::i#1 ]
 zp ZP_WORD:7 [ nxt#18 nxt#31 nxt#14 nxt#36 nxt#19 ]
 reg byte a [ next_char::return#1 next_char::c#0 next_char::c#1 ]
+zp ZP_WORD:9 [ fillscreen::cursor#2 fillscreen::cursor#1 ]
 reg byte a [ next_char::return#0 ]
 reg byte a [ scroll_bit::$3 ]
 reg byte a [ scroll_bit::bits#0 ]
@@ -4096,7 +4097,7 @@ next_char: {
 //SEG140 fillscreen
 fillscreen: {
     .const fill = $20
-    .label cursor = 3
+    .label cursor = 9
   //SEG141 [67] phi from fillscreen to fillscreen::@1 [phi:fillscreen->fillscreen::@1]
   //SEG142 [67] phi (byte*) fillscreen::cursor#2 = (const byte*) SCREEN#0 [phi:fillscreen->fillscreen::@1#0] -- pbuz1=pbuc1 
     lda #<SCREEN
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/scrollbig.sym b/src/test/java/dk/camelot64/kickc/test/ref/scrollbig.sym
index 512c97ac1..0f5c70853 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/scrollbig.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/scrollbig.sym
@@ -29,8 +29,8 @@
 (label) fillscreen::@1
 (label) fillscreen::@return
 (byte*) fillscreen::cursor
-(byte*) fillscreen::cursor#1 cursor zp ZP_WORD:3 16.5
-(byte*) fillscreen::cursor#2 cursor zp ZP_WORD:3 16.5
+(byte*) fillscreen::cursor#1 cursor zp ZP_WORD:9 16.5
+(byte*) fillscreen::cursor#2 cursor zp ZP_WORD:9 16.5
 (byte) fillscreen::fill
 (const byte) fillscreen::fill#0 fill = (byte/signed byte/word/signed word/dword/signed dword) 32
 (byte*) fillscreen::screen
@@ -98,13 +98,14 @@
 
 reg byte x [ scroll#18 scroll#10 scroll#3 ]
 zp ZP_BYTE:2 [ current_bit#29 current_bit#12 current_bit#21 current_bit#5 ]
-zp ZP_WORD:3 [ current_chargen#27 current_chargen#11 current_chargen#19 current_chargen#5 fillscreen::cursor#2 fillscreen::cursor#1 scroll_bit::c#0 scroll_bit::$4 ]
+zp ZP_WORD:3 [ current_chargen#27 current_chargen#11 current_chargen#19 current_chargen#5 scroll_bit::$4 scroll_bit::c#0 ]
 reg byte x [ scroll_bit::r#2 scroll_bit::r#1 ]
 zp ZP_WORD:5 [ scroll_bit::sc#2 scroll_bit::sc#1 ]
 reg byte a [ scroll_bit::b#2 ]
 reg byte x [ scroll_hard::i#2 scroll_hard::i#1 ]
 zp ZP_WORD:7 [ nxt#18 nxt#31 nxt#14 nxt#36 nxt#19 ]
 reg byte a [ next_char::return#1 next_char::c#0 next_char::c#1 ]
+zp ZP_WORD:9 [ fillscreen::cursor#2 fillscreen::cursor#1 ]
 reg byte a [ next_char::return#0 ]
 reg byte a [ scroll_bit::$3 ]
 reg byte a [ scroll_bit::bits#0 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/signed-words.asm b/src/test/java/dk/camelot64/kickc/test/ref/signed-words.asm
index 4e1bf8fdd..fd91245da 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/signed-words.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/signed-words.asm
@@ -50,10 +50,10 @@ main: {
     jmp b2
 }
 anim: {
-    .label _10 = $c
-    .label _12 = $e
-    .label sprite_x = $c
-    .label sprite_y = $e
+    .label _10 = $e
+    .label _12 = $10
+    .label sprite_x = $e
+    .label sprite_y = $10
     lda ypos+1
     bpl b1
     sec
@@ -171,7 +171,7 @@ anim: {
     rts
 }
 init: {
-    .label sc = 2
+    .label sc = $c
     lda #1
     sta SPRITES_ENABLE
     lda #0
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/signed-words.log b/src/test/java/dk/camelot64/kickc/test/ref/signed-words.log
index 11f9cd964..d23308dfa 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/signed-words.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/signed-words.log
@@ -2005,11 +2005,10 @@ Uplifting [init] best 8154 combination zp ZP_WORD:12 [ init::sc#2 init::sc#1 ] r
 Uplifting [] best 8154 combination zp ZP_WORD:6 [ yvel#9 yvel#12 yvel#10 yvel#22 ] zp ZP_WORD:4 [ yvel_init#13 yvel_init#11 yvel#4 yvel_init#3 ] zp ZP_WORD:8 [ xpos#9 xpos#12 xpos#10 ] zp ZP_WORD:10 [ ypos#10 ypos#13 ypos#11 ] zp ZP_WORD:2 [ xvel#12 xvel#10 xvel#14 ] 
 Uplifting [anim] best 8136 combination zp ZP_WORD:15 [ anim::$10 ] zp ZP_WORD:19 [ anim::$12 ] reg byte a [ anim::$14 ] reg byte a [ anim::$15 ] reg byte a [ anim::$16 ] zp ZP_WORD:21 [ anim::sprite_y#0 ] zp ZP_WORD:17 [ anim::sprite_x#0 ] 
 Uplifting [main] best 8136 combination 
-Coalescing zero page register [ zp ZP_WORD:2 [ xvel#12 xvel#10 xvel#14 ] ] with [ zp ZP_WORD:12 [ init::sc#2 init::sc#1 ] ]
 Coalescing zero page register [ zp ZP_WORD:15 [ anim::$10 ] ] with [ zp ZP_WORD:17 [ anim::sprite_x#0 ] ]
 Coalescing zero page register [ zp ZP_WORD:19 [ anim::$12 ] ] with [ zp ZP_WORD:21 [ anim::sprite_y#0 ] ]
-Allocated (was zp ZP_WORD:15) zp ZP_WORD:12 [ anim::$10 anim::sprite_x#0 ]
-Allocated (was zp ZP_WORD:19) zp ZP_WORD:14 [ anim::$12 anim::sprite_y#0 ]
+Allocated (was zp ZP_WORD:15) zp ZP_WORD:14 [ anim::$10 anim::sprite_x#0 ]
+Allocated (was zp ZP_WORD:19) zp ZP_WORD:16 [ anim::$12 anim::sprite_y#0 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -2124,10 +2123,10 @@ main: {
 }
 //SEG33 anim
 anim: {
-    .label _10 = $c
-    .label _12 = $e
-    .label sprite_x = $c
-    .label sprite_y = $e
+    .label _10 = $e
+    .label _12 = $10
+    .label sprite_x = $e
+    .label sprite_y = $10
   //SEG34 [12] if((signed word) ypos#13>=(byte/signed byte/word/signed word/dword/signed dword) 0) goto anim::@1 [ yvel#12 xpos#12 ypos#13 xvel#12 yvel_init#13 ] ( main:2::anim:9 [ yvel#12 xpos#12 ypos#13 xvel#12 yvel_init#13 ] ) -- vwsz1_ge_0_then_la1 
     lda ypos+1
     bpl b1_from_anim
@@ -2305,7 +2304,7 @@ anim: {
 }
 //SEG75 init
 init: {
-    .label sc = 2
+    .label sc = $c
   //SEG76 [34] *((const byte*) SPRITES_ENABLE#0) ← (byte/signed byte/word/signed word/dword/signed dword) 1 [ ] ( main:2::init:5 [ ] ) -- _deref_pbuc1=vbuc2 
     lda #1
     sta SPRITES_ENABLE
@@ -2491,8 +2490,8 @@ FINAL SYMBOL TABLE
 (byte) WHITE
 (const byte) WHITE#0 WHITE = (byte/signed byte/word/signed word/dword/signed dword) 1
 (void()) anim()
-(signed word~) anim::$10 $10 zp ZP_WORD:12 4.0
-(signed word~) anim::$12 $12 zp ZP_WORD:14 4.0
+(signed word~) anim::$10 $10 zp ZP_WORD:14 4.0
+(signed word~) anim::$12 $12 zp ZP_WORD:16 4.0
 (byte~) anim::$14 reg byte a 4.0
 (byte~) anim::$15 reg byte a 4.0
 (byte~) anim::$16 reg byte a 4.0
@@ -2502,9 +2501,9 @@ FINAL SYMBOL TABLE
 (label) anim::@5
 (label) anim::@return
 (signed word) anim::sprite_x
-(signed word) anim::sprite_x#0 sprite_x zp ZP_WORD:12 0.8571428571428571
+(signed word) anim::sprite_x#0 sprite_x zp ZP_WORD:14 0.8571428571428571
 (signed word) anim::sprite_y
-(signed word) anim::sprite_y#0 sprite_y zp ZP_WORD:14 1.3333333333333333
+(signed word) anim::sprite_y#0 sprite_y zp ZP_WORD:16 1.3333333333333333
 (signed word) g
 (const signed word) g#0 g = -(byte/signed byte/word/signed word/dword/signed dword) 5
 (void()) init()
@@ -2515,8 +2514,8 @@ FINAL SYMBOL TABLE
 (byte) init::i#1 reg byte x 16.5
 (byte) init::i#2 reg byte x 16.5
 (byte*) init::sc
-(byte*) init::sc#1 sc zp ZP_WORD:2 16.5
-(byte*) init::sc#2 sc zp ZP_WORD:2 16.5
+(byte*) init::sc#1 sc zp ZP_WORD:12 16.5
+(byte*) init::sc#2 sc zp ZP_WORD:12 16.5
 (void()) main()
 (label) main::@2
 (label) main::@3
@@ -2545,14 +2544,15 @@ FINAL SYMBOL TABLE
 (signed word) yvel_init#13 yvel_init zp ZP_WORD:4 3.0
 (signed word) yvel_init#3 yvel_init zp ZP_WORD:4 2.0
 
-zp ZP_WORD:2 [ xvel#12 xvel#10 xvel#14 init::sc#2 init::sc#1 ]
+zp ZP_WORD:2 [ xvel#12 xvel#10 xvel#14 ]
 zp ZP_WORD:4 [ yvel_init#13 yvel_init#11 yvel#4 yvel_init#3 ]
 zp ZP_WORD:6 [ yvel#9 yvel#12 yvel#10 yvel#22 ]
 zp ZP_WORD:8 [ xpos#9 xpos#12 xpos#10 ]
 zp ZP_WORD:10 [ ypos#10 ypos#13 ypos#11 ]
+zp ZP_WORD:12 [ init::sc#2 init::sc#1 ]
 reg byte x [ init::i#2 init::i#1 ]
-zp ZP_WORD:12 [ anim::$10 anim::sprite_x#0 ]
-zp ZP_WORD:14 [ anim::$12 anim::sprite_y#0 ]
+zp ZP_WORD:14 [ anim::$10 anim::sprite_x#0 ]
+zp ZP_WORD:16 [ anim::$12 anim::sprite_y#0 ]
 reg byte a [ anim::$14 ]
 reg byte a [ anim::$15 ]
 reg byte a [ anim::$16 ]
@@ -2647,10 +2647,10 @@ main: {
 }
 //SEG33 anim
 anim: {
-    .label _10 = $c
-    .label _12 = $e
-    .label sprite_x = $c
-    .label sprite_y = $e
+    .label _10 = $e
+    .label _12 = $10
+    .label sprite_x = $e
+    .label sprite_y = $10
   //SEG34 [12] if((signed word) ypos#13>=(byte/signed byte/word/signed word/dword/signed dword) 0) goto anim::@1 [ yvel#12 xpos#12 ypos#13 xvel#12 yvel_init#13 ] ( main:2::anim:9 [ yvel#12 xpos#12 ypos#13 xvel#12 yvel_init#13 ] ) -- vwsz1_ge_0_then_la1 
     lda ypos+1
     bpl b1
@@ -2810,7 +2810,7 @@ anim: {
 }
 //SEG75 init
 init: {
-    .label sc = 2
+    .label sc = $c
   //SEG76 [34] *((const byte*) SPRITES_ENABLE#0) ← (byte/signed byte/word/signed word/dword/signed dword) 1 [ ] ( main:2::init:5 [ ] ) -- _deref_pbuc1=vbuc2 
     lda #1
     sta SPRITES_ENABLE
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/signed-words.sym b/src/test/java/dk/camelot64/kickc/test/ref/signed-words.sym
index 0419578df..37d9adc3c 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/signed-words.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/signed-words.sym
@@ -26,8 +26,8 @@
 (byte) WHITE
 (const byte) WHITE#0 WHITE = (byte/signed byte/word/signed word/dword/signed dword) 1
 (void()) anim()
-(signed word~) anim::$10 $10 zp ZP_WORD:12 4.0
-(signed word~) anim::$12 $12 zp ZP_WORD:14 4.0
+(signed word~) anim::$10 $10 zp ZP_WORD:14 4.0
+(signed word~) anim::$12 $12 zp ZP_WORD:16 4.0
 (byte~) anim::$14 reg byte a 4.0
 (byte~) anim::$15 reg byte a 4.0
 (byte~) anim::$16 reg byte a 4.0
@@ -37,9 +37,9 @@
 (label) anim::@5
 (label) anim::@return
 (signed word) anim::sprite_x
-(signed word) anim::sprite_x#0 sprite_x zp ZP_WORD:12 0.8571428571428571
+(signed word) anim::sprite_x#0 sprite_x zp ZP_WORD:14 0.8571428571428571
 (signed word) anim::sprite_y
-(signed word) anim::sprite_y#0 sprite_y zp ZP_WORD:14 1.3333333333333333
+(signed word) anim::sprite_y#0 sprite_y zp ZP_WORD:16 1.3333333333333333
 (signed word) g
 (const signed word) g#0 g = -(byte/signed byte/word/signed word/dword/signed dword) 5
 (void()) init()
@@ -50,8 +50,8 @@
 (byte) init::i#1 reg byte x 16.5
 (byte) init::i#2 reg byte x 16.5
 (byte*) init::sc
-(byte*) init::sc#1 sc zp ZP_WORD:2 16.5
-(byte*) init::sc#2 sc zp ZP_WORD:2 16.5
+(byte*) init::sc#1 sc zp ZP_WORD:12 16.5
+(byte*) init::sc#2 sc zp ZP_WORD:12 16.5
 (void()) main()
 (label) main::@2
 (label) main::@3
@@ -80,14 +80,15 @@
 (signed word) yvel_init#13 yvel_init zp ZP_WORD:4 3.0
 (signed word) yvel_init#3 yvel_init zp ZP_WORD:4 2.0
 
-zp ZP_WORD:2 [ xvel#12 xvel#10 xvel#14 init::sc#2 init::sc#1 ]
+zp ZP_WORD:2 [ xvel#12 xvel#10 xvel#14 ]
 zp ZP_WORD:4 [ yvel_init#13 yvel_init#11 yvel#4 yvel_init#3 ]
 zp ZP_WORD:6 [ yvel#9 yvel#12 yvel#10 yvel#22 ]
 zp ZP_WORD:8 [ xpos#9 xpos#12 xpos#10 ]
 zp ZP_WORD:10 [ ypos#10 ypos#13 ypos#11 ]
+zp ZP_WORD:12 [ init::sc#2 init::sc#1 ]
 reg byte x [ init::i#2 init::i#1 ]
-zp ZP_WORD:12 [ anim::$10 anim::sprite_x#0 ]
-zp ZP_WORD:14 [ anim::$12 anim::sprite_y#0 ]
+zp ZP_WORD:14 [ anim::$10 anim::sprite_x#0 ]
+zp ZP_WORD:16 [ anim::$12 anim::sprite_y#0 ]
 reg byte a [ anim::$14 ]
 reg byte a [ anim::$15 ]
 reg byte a [ anim::$16 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/sinus-basic.asm b/src/test/java/dk/camelot64/kickc/test/ref/sinus-basic.asm
index 5abbc5136..50905bbdf 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/sinus-basic.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/sinus-basic.asm
@@ -96,7 +96,7 @@ print_ln: {
     rts
 }
 print_word: {
-    .label w = 7
+    .label w = 9
     lda w+1
     tax
     jsr print_byte
@@ -132,7 +132,7 @@ print_char: {
     rts
 }
 getFAC: {
-    .label return = 7
+    .label return = 9
     jsr $b1aa
     sty $fe
     sta $ff
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/sinus-basic.log b/src/test/java/dk/camelot64/kickc/test/ref/sinus-basic.log
index 6161b5fdf..6d78d4e82 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/sinus-basic.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/sinus-basic.log
@@ -3274,11 +3274,11 @@ Uplifting [main] best 6281 combination zp ZP_BYTE:2 [ main::i#10 main::i#1 ]
 Coalescing zero page register [ zp ZP_WORD:9 [ prepareMEM::mem#5 prepareMEM::mem#4 prepareMEM::mem#7 prepareMEM::mem#1 ] ] with [ zp ZP_WORD:11 [ mulFACbyMEM::mem#2 ] ]
 Coalescing zero page register [ zp ZP_WORD:9 [ prepareMEM::mem#5 prepareMEM::mem#4 prepareMEM::mem#7 prepareMEM::mem#1 mulFACbyMEM::mem#2 ] ] with [ zp ZP_WORD:13 [ setFAC::w#3 setFAC::w#1 ] ]
 Coalescing zero page register [ zp ZP_WORD:9 [ prepareMEM::mem#5 prepareMEM::mem#4 prepareMEM::mem#7 prepareMEM::mem#1 mulFACbyMEM::mem#2 setFAC::w#3 setFAC::w#1 ] ] with [ zp ZP_WORD:15 [ setMEMtoFAC::mem#2 ] ]
-Coalescing zero page register [ zp ZP_WORD:9 [ prepareMEM::mem#5 prepareMEM::mem#4 prepareMEM::mem#7 prepareMEM::mem#1 mulFACbyMEM::mem#2 setFAC::w#3 setFAC::w#1 setMEMtoFAC::mem#2 ] ] with [ zp ZP_WORD:17 [ getFAC::return#2 ] ]
-Coalescing zero page register [ zp ZP_WORD:9 [ prepareMEM::mem#5 prepareMEM::mem#4 prepareMEM::mem#7 prepareMEM::mem#1 mulFACbyMEM::mem#2 setFAC::w#3 setFAC::w#1 setMEMtoFAC::mem#2 getFAC::return#2 ] ] with [ zp ZP_WORD:19 [ print_word::w#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:9 [ prepareMEM::mem#5 prepareMEM::mem#4 prepareMEM::mem#7 prepareMEM::mem#1 mulFACbyMEM::mem#2 setFAC::w#3 setFAC::w#1 setMEMtoFAC::mem#2 getFAC::return#2 print_word::w#0 ] ] with [ zp ZP_WORD:23 [ getFAC::return#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:17 [ getFAC::return#2 ] ] with [ zp ZP_WORD:19 [ print_word::w#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:17 [ getFAC::return#2 print_word::w#0 ] ] with [ zp ZP_WORD:23 [ getFAC::return#0 ] ]
 Allocated (was zp ZP_WORD:7) zp ZP_WORD:5 [ char_cursor#23 char_cursor#31 char_cursor#32 char_cursor#48 char_cursor#10 ]
-Allocated (was zp ZP_WORD:9) zp ZP_WORD:7 [ prepareMEM::mem#5 prepareMEM::mem#4 prepareMEM::mem#7 prepareMEM::mem#1 mulFACbyMEM::mem#2 setFAC::w#3 setFAC::w#1 setMEMtoFAC::mem#2 getFAC::return#2 print_word::w#0 getFAC::return#0 ]
+Allocated (was zp ZP_WORD:9) zp ZP_WORD:7 [ prepareMEM::mem#5 prepareMEM::mem#4 prepareMEM::mem#7 prepareMEM::mem#1 mulFACbyMEM::mem#2 setFAC::w#3 setFAC::w#1 setMEMtoFAC::mem#2 ]
+Allocated (was zp ZP_WORD:17) zp ZP_WORD:9 [ getFAC::return#2 print_word::w#0 getFAC::return#0 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -3457,12 +3457,12 @@ main: {
   //SEG63 [28] call getFAC param-assignment [ main::i#10 char_cursor#32 line_cursor#13 getFAC::return#0 ] ( main:2 [ main::i#10 char_cursor#32 line_cursor#13 getFAC::return#0 ] )
     jsr getFAC
   //SEG64 [29] (word) getFAC::return#2 ← (word) getFAC::return#0 [ main::i#10 char_cursor#32 line_cursor#13 getFAC::return#2 ] ( main:2 [ main::i#10 char_cursor#32 line_cursor#13 getFAC::return#2 ] )
-    // (word) getFAC::return#2 = (word) getFAC::return#0  // register copy zp ZP_WORD:7
+    // (word) getFAC::return#2 = (word) getFAC::return#0  // register copy zp ZP_WORD:9
     jmp b14
   //SEG65 main::@14
   b14:
   //SEG66 [30] (word) print_word::w#0 ← (word) getFAC::return#2 [ main::i#10 char_cursor#32 line_cursor#13 print_word::w#0 ] ( main:2 [ main::i#10 char_cursor#32 line_cursor#13 print_word::w#0 ] )
-    // (word) print_word::w#0 = (word) getFAC::return#2  // register copy zp ZP_WORD:7
+    // (word) print_word::w#0 = (word) getFAC::return#2  // register copy zp ZP_WORD:9
   //SEG67 [31] call print_word param-assignment [ main::i#10 line_cursor#13 char_cursor#10 ] ( main:2 [ main::i#10 line_cursor#13 char_cursor#10 ] )
     jsr print_word
   //SEG68 [32] phi from main::@14 to main::@15 [phi:main::@14->main::@15]
@@ -3538,7 +3538,7 @@ print_ln: {
 }
 //SEG91 print_word
 print_word: {
-    .label w = 7
+    .label w = 9
   //SEG92 [43] (byte) print_byte::b#0 ← > (word) print_word::w#0 [ char_cursor#32 print_word::w#0 print_byte::b#0 ] ( main:2::print_word:31 [ main::i#10 line_cursor#13 char_cursor#32 print_word::w#0 print_byte::b#0 ] ) -- vbuxx=_hi_vwuz1 
     lda w+1
     tax
@@ -3623,7 +3623,7 @@ print_char: {
 }
 //SEG126 getFAC
 getFAC: {
-    .label return = 7
+    .label return = 9
   //SEG127 asm { jsr$b1aa sty$fe sta$ff  }
     jsr $b1aa
     sty $fe
@@ -3936,8 +3936,8 @@ FINAL SYMBOL TABLE
 (word()) getFAC()
 (label) getFAC::@return
 (word) getFAC::return
-(word) getFAC::return#0 return zp ZP_WORD:7 4.333333333333333
-(word) getFAC::return#2 return zp ZP_WORD:7 22.0
+(word) getFAC::return#0 return zp ZP_WORD:9 4.333333333333333
+(word) getFAC::return#2 return zp ZP_WORD:9 22.0
 (word) getFAC::w
 (byte*) line_cursor
 (byte*) line_cursor#1 line_cursor zp ZP_WORD:3 46.42857142857143
@@ -4011,7 +4011,7 @@ FINAL SYMBOL TABLE
 (label) print_word::@1
 (label) print_word::@return
 (word) print_word::w
-(word) print_word::w#0 w zp ZP_WORD:7 5.0
+(word) print_word::w#0 w zp ZP_WORD:9 5.0
 (void()) setFAC((word) setFAC::w)
 (label) setFAC::@1
 (label) setFAC::@return
@@ -4031,7 +4031,8 @@ zp ZP_WORD:3 [ line_cursor#6 line_cursor#13 line_cursor#1 ]
 reg byte x [ print_byte::b#2 print_byte::b#0 print_byte::b#1 ]
 reg byte a [ print_char::ch#2 print_char::ch#0 print_char::ch#1 ]
 zp ZP_WORD:5 [ char_cursor#23 char_cursor#31 char_cursor#32 char_cursor#48 char_cursor#10 ]
-zp ZP_WORD:7 [ prepareMEM::mem#5 prepareMEM::mem#4 prepareMEM::mem#7 prepareMEM::mem#1 mulFACbyMEM::mem#2 setFAC::w#3 setFAC::w#1 setMEMtoFAC::mem#2 getFAC::return#2 print_word::w#0 getFAC::return#0 ]
+zp ZP_WORD:7 [ prepareMEM::mem#5 prepareMEM::mem#4 prepareMEM::mem#7 prepareMEM::mem#1 mulFACbyMEM::mem#2 setFAC::w#3 setFAC::w#1 setMEMtoFAC::mem#2 ]
+zp ZP_WORD:9 [ getFAC::return#2 print_word::w#0 getFAC::return#0 ]
 reg byte a [ print_byte::$0 ]
 reg byte a [ print_byte::$2 ]
 reg byte a [ prepareMEM::$0 ]
@@ -4168,10 +4169,10 @@ main: {
   //SEG63 [28] call getFAC param-assignment [ main::i#10 char_cursor#32 line_cursor#13 getFAC::return#0 ] ( main:2 [ main::i#10 char_cursor#32 line_cursor#13 getFAC::return#0 ] )
     jsr getFAC
   //SEG64 [29] (word) getFAC::return#2 ← (word) getFAC::return#0 [ main::i#10 char_cursor#32 line_cursor#13 getFAC::return#2 ] ( main:2 [ main::i#10 char_cursor#32 line_cursor#13 getFAC::return#2 ] )
-    // (word) getFAC::return#2 = (word) getFAC::return#0  // register copy zp ZP_WORD:7
+    // (word) getFAC::return#2 = (word) getFAC::return#0  // register copy zp ZP_WORD:9
   //SEG65 main::@14
   //SEG66 [30] (word) print_word::w#0 ← (word) getFAC::return#2 [ main::i#10 char_cursor#32 line_cursor#13 print_word::w#0 ] ( main:2 [ main::i#10 char_cursor#32 line_cursor#13 print_word::w#0 ] )
-    // (word) print_word::w#0 = (word) getFAC::return#2  // register copy zp ZP_WORD:7
+    // (word) print_word::w#0 = (word) getFAC::return#2  // register copy zp ZP_WORD:9
   //SEG67 [31] call print_word param-assignment [ main::i#10 line_cursor#13 char_cursor#10 ] ( main:2 [ main::i#10 line_cursor#13 char_cursor#10 ] )
     jsr print_word
   //SEG68 [32] phi from main::@14 to main::@15 [phi:main::@14->main::@15]
@@ -4233,7 +4234,7 @@ print_ln: {
 }
 //SEG91 print_word
 print_word: {
-    .label w = 7
+    .label w = 9
   //SEG92 [43] (byte) print_byte::b#0 ← > (word) print_word::w#0 [ char_cursor#32 print_word::w#0 print_byte::b#0 ] ( main:2::print_word:31 [ main::i#10 line_cursor#13 char_cursor#32 print_word::w#0 print_byte::b#0 ] ) -- vbuxx=_hi_vwuz1 
     lda w+1
     tax
@@ -4304,7 +4305,7 @@ print_char: {
 }
 //SEG126 getFAC
 getFAC: {
-    .label return = 7
+    .label return = 9
   //SEG127 asm { jsr$b1aa sty$fe sta$ff  }
     jsr $b1aa
     sty $fe
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/sinus-basic.sym b/src/test/java/dk/camelot64/kickc/test/ref/sinus-basic.sym
index baef74b88..1103f3155 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/sinus-basic.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/sinus-basic.sym
@@ -20,8 +20,8 @@
 (word()) getFAC()
 (label) getFAC::@return
 (word) getFAC::return
-(word) getFAC::return#0 return zp ZP_WORD:7 4.333333333333333
-(word) getFAC::return#2 return zp ZP_WORD:7 22.0
+(word) getFAC::return#0 return zp ZP_WORD:9 4.333333333333333
+(word) getFAC::return#2 return zp ZP_WORD:9 22.0
 (word) getFAC::w
 (byte*) line_cursor
 (byte*) line_cursor#1 line_cursor zp ZP_WORD:3 46.42857142857143
@@ -95,7 +95,7 @@
 (label) print_word::@1
 (label) print_word::@return
 (word) print_word::w
-(word) print_word::w#0 w zp ZP_WORD:7 5.0
+(word) print_word::w#0 w zp ZP_WORD:9 5.0
 (void()) setFAC((word) setFAC::w)
 (label) setFAC::@1
 (label) setFAC::@return
@@ -115,7 +115,8 @@ zp ZP_WORD:3 [ line_cursor#6 line_cursor#13 line_cursor#1 ]
 reg byte x [ print_byte::b#2 print_byte::b#0 print_byte::b#1 ]
 reg byte a [ print_char::ch#2 print_char::ch#0 print_char::ch#1 ]
 zp ZP_WORD:5 [ char_cursor#23 char_cursor#31 char_cursor#32 char_cursor#48 char_cursor#10 ]
-zp ZP_WORD:7 [ prepareMEM::mem#5 prepareMEM::mem#4 prepareMEM::mem#7 prepareMEM::mem#1 mulFACbyMEM::mem#2 setFAC::w#3 setFAC::w#1 setMEMtoFAC::mem#2 getFAC::return#2 print_word::w#0 getFAC::return#0 ]
+zp ZP_WORD:7 [ prepareMEM::mem#5 prepareMEM::mem#4 prepareMEM::mem#7 prepareMEM::mem#1 mulFACbyMEM::mem#2 setFAC::w#3 setFAC::w#1 setMEMtoFAC::mem#2 ]
+zp ZP_WORD:9 [ getFAC::return#2 print_word::w#0 getFAC::return#0 ]
 reg byte a [ print_byte::$0 ]
 reg byte a [ print_byte::$2 ]
 reg byte a [ prepareMEM::$0 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/sinus-sprites.asm b/src/test/java/dk/camelot64/kickc/test/ref/sinus-sprites.asm
index 79c87ae22..97ab2db43 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/sinus-sprites.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/sinus-sprites.asm
@@ -19,8 +19,8 @@
   .const sinlen_x = $dd
   .const sinlen_y = $c5
   .label sprites = $2000
-  .label progress_idx = 4
-  .label progress_cursor = $a
+  .label progress_idx = $f
+  .label progress_cursor = $10
   .label sin_idx_x = 2
   .label sin_idx_y = 3
   jsr main
@@ -39,7 +39,7 @@ main: {
 anim: {
     .label xidx = 4
     .label yidx = 6
-    .label x = 8
+    .label x = $21
     .label x_msb = 5
     .label j = 7
     inc BORDERCOL
@@ -188,11 +188,11 @@ clear_screen: {
 }
 gen_sintab: {
     .label f_2pi = $e2e5
-    .label _23 = $c
-    .label i = 2
-    .label min = 2
-    .label length = 3
-    .label sintab = 8
+    .label _23 = $23
+    .label i = $e
+    .label min = $a
+    .label length = $b
+    .label sintab = $c
     txa
     sta setFAC.w
     lda #0
@@ -320,7 +320,7 @@ progress_inc: {
     progress_chars: .byte $20, $65, $74, $75, $61, $f6, $e7, $ea, $e0
 }
 getFAC: {
-    .label return = $c
+    .label return = $23
     jsr $b1aa
     sty $fe
     sta $ff
@@ -331,7 +331,7 @@ getFAC: {
     rts
 }
 addMEMtoFAC: {
-    .label mem = $c
+    .label mem = $12
     jsr prepareMEM
     lda $fe
     ldy $ff
@@ -339,7 +339,7 @@ addMEMtoFAC: {
     rts
 }
 prepareMEM: {
-    .label mem = $c
+    .label mem = $12
     lda mem
     sta memLo
     lda mem+1
@@ -347,7 +347,7 @@ prepareMEM: {
     rts
 }
 mulFACbyMEM: {
-    .label mem = $c
+    .label mem = $12
     jsr prepareMEM
     lda $fe
     ldy $ff
@@ -359,7 +359,7 @@ sinFAC: {
     rts
 }
 divMEMbyFAC: {
-    .label mem = $c
+    .label mem = $12
     jsr prepareMEM
     lda $fe
     ldy $ff
@@ -367,7 +367,7 @@ divMEMbyFAC: {
     rts
 }
 setFAC: {
-    .label w = $c
+    .label w = $12
     jsr prepareMEM
     ldy $fe
     lda $ff
@@ -375,7 +375,7 @@ setFAC: {
     rts
 }
 setMEMtoFAC: {
-    .label mem = $c
+    .label mem = $12
     jsr prepareMEM
     ldx $fe
     ldy $ff
@@ -391,12 +391,12 @@ setARGtoFAC: {
     rts
 }
 progress_init: {
-    .label line = $a
+    .label line = $10
     rts
 }
 gen_sprites: {
-    .label spr = 8
-    .label i = 2
+    .label spr = $15
+    .label i = $14
     lda #<sprites
     sta spr
     lda #>sprites
@@ -426,15 +426,15 @@ gen_sprites: {
     cml: .text "camelot"
 }
 gen_chargen_sprite: {
-    .label _0 = $c
-    .label _1 = $c
-    .label sprite = $a
-    .label chargen = $c
-    .label bits = 4
-    .label s_gen = 7
-    .label x = 5
-    .label y = 3
-    .label c = 6
+    .label _0 = $25
+    .label _1 = $25
+    .label sprite = $1c
+    .label chargen = $25
+    .label bits = $18
+    .label s_gen = $1b
+    .label x = $19
+    .label y = $17
+    .label c = $1a
     tya
     sta _0
     lda #0
@@ -526,9 +526,9 @@ gen_chargen_sprite: {
 }
 place_sprites: {
     .label sprites_ptr = SCREEN+$3f8
-    .label spr_id = 2
-    .label spr_x = 3
-    .label col = 4
+    .label spr_id = $1e
+    .label spr_x = $1f
+    .label col = $20
     lda #$7f
     sta SPRITES_ENABLE
     sta SPRITES_EXPAND_X
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/sinus-sprites.log b/src/test/java/dk/camelot64/kickc/test/ref/sinus-sprites.log
index 9e4adcc06..50b973d65 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/sinus-sprites.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/sinus-sprites.log
@@ -7982,39 +7982,39 @@ Attempting to uplift remaining variables inzp ZP_BYTE:14 [ gen_sintab::length#10
 Uplifting [gen_sintab] best 1061722 combination zp ZP_BYTE:14 [ gen_sintab::length#10 ] 
 Attempting to uplift remaining variables inzp ZP_BYTE:13 [ gen_sintab::min#2 ]
 Uplifting [gen_sintab] best 1061722 combination zp ZP_BYTE:13 [ gen_sintab::min#2 ] 
-Coalescing zero page register [ zp ZP_BYTE:2 [ sin_idx_x#13 sin_idx_x#11 sin_idx_x#3 ] ] with [ zp ZP_BYTE:13 [ gen_sintab::min#2 ] ]
-Coalescing zero page register [ zp ZP_BYTE:2 [ sin_idx_x#13 sin_idx_x#11 sin_idx_x#3 gen_sintab::min#2 ] ] with [ zp ZP_BYTE:17 [ gen_sintab::i#10 gen_sintab::i#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:2 [ sin_idx_x#13 sin_idx_x#11 sin_idx_x#3 gen_sintab::min#2 gen_sintab::i#10 gen_sintab::i#1 ] ] with [ zp ZP_BYTE:33 [ gen_sprites::i#2 gen_sprites::i#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:2 [ sin_idx_x#13 sin_idx_x#11 sin_idx_x#3 gen_sintab::min#2 gen_sintab::i#10 gen_sintab::i#1 gen_sprites::i#2 gen_sprites::i#1 ] ] with [ zp ZP_BYTE:45 [ place_sprites::spr_id#2 place_sprites::spr_id#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:3 [ sin_idx_y#13 sin_idx_y#11 sin_idx_y#3 ] ] with [ zp ZP_BYTE:14 [ gen_sintab::length#10 ] ]
-Coalescing zero page register [ zp ZP_BYTE:3 [ sin_idx_y#13 sin_idx_y#11 sin_idx_y#3 gen_sintab::length#10 ] ] with [ zp ZP_BYTE:36 [ gen_chargen_sprite::y#2 gen_chargen_sprite::y#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:3 [ sin_idx_y#13 sin_idx_y#11 sin_idx_y#3 gen_sintab::length#10 gen_chargen_sprite::y#2 gen_chargen_sprite::y#1 ] ] with [ zp ZP_BYTE:47 [ place_sprites::spr_x#2 place_sprites::spr_x#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:4 [ anim::xidx#3 anim::xidx#0 anim::xidx#5 anim::xidx#1 anim::xidx#2 ] ] with [ zp ZP_BYTE:18 [ progress_idx#34 progress_idx#12 progress_idx#10 ] ]
-Coalescing zero page register [ zp ZP_BYTE:4 [ anim::xidx#3 anim::xidx#0 anim::xidx#5 anim::xidx#1 anim::xidx#2 progress_idx#34 progress_idx#12 progress_idx#10 ] ] with [ zp ZP_BYTE:37 [ gen_chargen_sprite::bits#2 gen_chargen_sprite::bits#0 gen_chargen_sprite::bits#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:4 [ anim::xidx#3 anim::xidx#0 anim::xidx#5 anim::xidx#1 anim::xidx#2 progress_idx#34 progress_idx#12 progress_idx#10 gen_chargen_sprite::bits#2 gen_chargen_sprite::bits#0 gen_chargen_sprite::bits#1 ] ] with [ zp ZP_BYTE:49 [ place_sprites::col#2 place_sprites::col#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:5 [ anim::x_msb#2 anim::x_msb#1 ] ] with [ zp ZP_BYTE:38 [ gen_chargen_sprite::x#6 gen_chargen_sprite::x#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:7 [ anim::yidx#3 anim::yidx#0 anim::yidx#6 anim::yidx#1 anim::yidx#2 ] ] with [ zp ZP_BYTE:39 [ gen_chargen_sprite::c#3 ] ]
-Coalescing zero page register [ zp ZP_BYTE:8 [ anim::j#2 anim::j#1 ] ] with [ zp ZP_BYTE:40 [ gen_chargen_sprite::s_gen#3 gen_chargen_sprite::s_gen#5 gen_chargen_sprite::s_gen#6 gen_chargen_sprite::s_gen#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:10 [ clear_screen::sc#2 clear_screen::sc#1 ] ] with [ zp ZP_WORD:15 [ gen_sintab::sintab#12 ] ]
-Coalescing zero page register [ zp ZP_WORD:10 [ clear_screen::sc#2 clear_screen::sc#1 gen_sintab::sintab#12 ] ] with [ zp ZP_WORD:34 [ gen_sprites::spr#2 gen_sprites::spr#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:10 [ clear_screen::sc#2 clear_screen::sc#1 gen_sintab::sintab#12 gen_sprites::spr#2 gen_sprites::spr#1 ] ] with [ zp ZP_WORD:50 [ anim::x#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:19 [ progress_cursor#34 progress_init::line#2 progress_cursor#11 progress_cursor#10 ] ] with [ zp ZP_WORD:43 [ gen_chargen_sprite::sprite#3 gen_chargen_sprite::sprite#10 gen_chargen_sprite::sprite#11 gen_chargen_sprite::sprite#0 gen_chargen_sprite::sprite#2 gen_chargen_sprite::sprite#4 gen_chargen_sprite::sprite#1 ] ]
 Coalescing zero page register [ zp ZP_WORD:21 [ addMEMtoFAC::mem#2 ] ] with [ zp ZP_WORD:23 [ prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 ] ]
 Coalescing zero page register [ zp ZP_WORD:21 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 ] ] with [ zp ZP_WORD:25 [ mulFACbyMEM::mem#2 ] ]
 Coalescing zero page register [ zp ZP_WORD:21 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 ] ] with [ zp ZP_WORD:27 [ divMEMbyFAC::mem#2 ] ]
 Coalescing zero page register [ zp ZP_WORD:21 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 divMEMbyFAC::mem#2 ] ] with [ zp ZP_WORD:29 [ setFAC::w#5 setFAC::w#0 setFAC::w#3 setFAC::w#4 setFAC::w#1 ] ]
 Coalescing zero page register [ zp ZP_WORD:21 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 divMEMbyFAC::mem#2 setFAC::w#5 setFAC::w#0 setFAC::w#3 setFAC::w#4 setFAC::w#1 ] ] with [ zp ZP_WORD:31 [ setMEMtoFAC::mem#5 ] ]
-Coalescing zero page register [ zp ZP_WORD:21 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 divMEMbyFAC::mem#2 setFAC::w#5 setFAC::w#0 setFAC::w#3 setFAC::w#4 setFAC::w#1 setMEMtoFAC::mem#5 ] ] with [ zp ZP_WORD:55 [ getFAC::return#2 ] ]
-Coalescing zero page register [ zp ZP_WORD:21 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 divMEMbyFAC::mem#2 setFAC::w#5 setFAC::w#0 setFAC::w#3 setFAC::w#4 setFAC::w#1 setMEMtoFAC::mem#5 getFAC::return#2 ] ] with [ zp ZP_WORD:57 [ gen_sintab::$23 ] ]
-Coalescing zero page register [ zp ZP_WORD:21 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 divMEMbyFAC::mem#2 setFAC::w#5 setFAC::w#0 setFAC::w#3 setFAC::w#4 setFAC::w#1 setMEMtoFAC::mem#5 getFAC::return#2 gen_sintab::$23 ] ] with [ zp ZP_WORD:60 [ getFAC::return#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:21 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 divMEMbyFAC::mem#2 setFAC::w#5 setFAC::w#0 setFAC::w#3 setFAC::w#4 setFAC::w#1 setMEMtoFAC::mem#5 getFAC::return#2 gen_sintab::$23 getFAC::return#0 ] ] with [ zp ZP_WORD:65 [ gen_chargen_sprite::$0 ] ]
-Coalescing zero page register [ zp ZP_WORD:21 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 divMEMbyFAC::mem#2 setFAC::w#5 setFAC::w#0 setFAC::w#3 setFAC::w#4 setFAC::w#1 setMEMtoFAC::mem#5 getFAC::return#2 gen_sintab::$23 getFAC::return#0 gen_chargen_sprite::$0 ] ] with [ zp ZP_WORD:67 [ gen_chargen_sprite::$1 ] ]
-Coalescing zero page register [ zp ZP_WORD:21 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 divMEMbyFAC::mem#2 setFAC::w#5 setFAC::w#0 setFAC::w#3 setFAC::w#4 setFAC::w#1 setMEMtoFAC::mem#5 getFAC::return#2 gen_sintab::$23 getFAC::return#0 gen_chargen_sprite::$0 gen_chargen_sprite::$1 ] ] with [ zp ZP_WORD:69 [ gen_chargen_sprite::chargen#0 ] ]
-Allocated (was zp ZP_BYTE:7) zp ZP_BYTE:6 [ anim::yidx#3 anim::yidx#0 anim::yidx#6 anim::yidx#1 anim::yidx#2 gen_chargen_sprite::c#3 ]
-Allocated (was zp ZP_BYTE:8) zp ZP_BYTE:7 [ anim::j#2 anim::j#1 gen_chargen_sprite::s_gen#3 gen_chargen_sprite::s_gen#5 gen_chargen_sprite::s_gen#6 gen_chargen_sprite::s_gen#1 ]
-Allocated (was zp ZP_WORD:10) zp ZP_WORD:8 [ clear_screen::sc#2 clear_screen::sc#1 gen_sintab::sintab#12 gen_sprites::spr#2 gen_sprites::spr#1 anim::x#0 ]
-Allocated (was zp ZP_WORD:19) zp ZP_WORD:10 [ progress_cursor#34 progress_init::line#2 progress_cursor#11 progress_cursor#10 gen_chargen_sprite::sprite#3 gen_chargen_sprite::sprite#10 gen_chargen_sprite::sprite#11 gen_chargen_sprite::sprite#0 gen_chargen_sprite::sprite#2 gen_chargen_sprite::sprite#4 gen_chargen_sprite::sprite#1 ]
-Allocated (was zp ZP_WORD:21) zp ZP_WORD:12 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 divMEMbyFAC::mem#2 setFAC::w#5 setFAC::w#0 setFAC::w#3 setFAC::w#4 setFAC::w#1 setMEMtoFAC::mem#5 getFAC::return#2 gen_sintab::$23 getFAC::return#0 gen_chargen_sprite::$0 gen_chargen_sprite::$1 gen_chargen_sprite::chargen#0 ]
+Coalescing zero page register [ zp ZP_WORD:55 [ getFAC::return#2 ] ] with [ zp ZP_WORD:57 [ gen_sintab::$23 ] ]
+Coalescing zero page register [ zp ZP_WORD:55 [ getFAC::return#2 gen_sintab::$23 ] ] with [ zp ZP_WORD:60 [ getFAC::return#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:65 [ gen_chargen_sprite::$0 ] ] with [ zp ZP_WORD:67 [ gen_chargen_sprite::$1 ] ]
+Coalescing zero page register [ zp ZP_WORD:65 [ gen_chargen_sprite::$0 gen_chargen_sprite::$1 ] ] with [ zp ZP_WORD:69 [ gen_chargen_sprite::chargen#0 ] ]
+Allocated (was zp ZP_BYTE:7) zp ZP_BYTE:6 [ anim::yidx#3 anim::yidx#0 anim::yidx#6 anim::yidx#1 anim::yidx#2 ]
+Allocated (was zp ZP_BYTE:8) zp ZP_BYTE:7 [ anim::j#2 anim::j#1 ]
+Allocated (was zp ZP_WORD:10) zp ZP_WORD:8 [ clear_screen::sc#2 clear_screen::sc#1 ]
+Allocated (was zp ZP_BYTE:13) zp ZP_BYTE:10 [ gen_sintab::min#2 ]
+Allocated (was zp ZP_BYTE:14) zp ZP_BYTE:11 [ gen_sintab::length#10 ]
+Allocated (was zp ZP_WORD:15) zp ZP_WORD:12 [ gen_sintab::sintab#12 ]
+Allocated (was zp ZP_BYTE:17) zp ZP_BYTE:14 [ gen_sintab::i#10 gen_sintab::i#1 ]
+Allocated (was zp ZP_BYTE:18) zp ZP_BYTE:15 [ progress_idx#34 progress_idx#12 progress_idx#10 ]
+Allocated (was zp ZP_WORD:19) zp ZP_WORD:16 [ progress_cursor#34 progress_init::line#2 progress_cursor#11 progress_cursor#10 ]
+Allocated (was zp ZP_WORD:21) zp ZP_WORD:18 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 divMEMbyFAC::mem#2 setFAC::w#5 setFAC::w#0 setFAC::w#3 setFAC::w#4 setFAC::w#1 setMEMtoFAC::mem#5 ]
+Allocated (was zp ZP_BYTE:33) zp ZP_BYTE:20 [ gen_sprites::i#2 gen_sprites::i#1 ]
+Allocated (was zp ZP_WORD:34) zp ZP_WORD:21 [ gen_sprites::spr#2 gen_sprites::spr#1 ]
+Allocated (was zp ZP_BYTE:36) zp ZP_BYTE:23 [ gen_chargen_sprite::y#2 gen_chargen_sprite::y#1 ]
+Allocated (was zp ZP_BYTE:37) zp ZP_BYTE:24 [ gen_chargen_sprite::bits#2 gen_chargen_sprite::bits#0 gen_chargen_sprite::bits#1 ]
+Allocated (was zp ZP_BYTE:38) zp ZP_BYTE:25 [ gen_chargen_sprite::x#6 gen_chargen_sprite::x#1 ]
+Allocated (was zp ZP_BYTE:39) zp ZP_BYTE:26 [ gen_chargen_sprite::c#3 ]
+Allocated (was zp ZP_BYTE:40) zp ZP_BYTE:27 [ gen_chargen_sprite::s_gen#3 gen_chargen_sprite::s_gen#5 gen_chargen_sprite::s_gen#6 gen_chargen_sprite::s_gen#1 ]
+Allocated (was zp ZP_WORD:43) zp ZP_WORD:28 [ gen_chargen_sprite::sprite#3 gen_chargen_sprite::sprite#10 gen_chargen_sprite::sprite#11 gen_chargen_sprite::sprite#0 gen_chargen_sprite::sprite#2 gen_chargen_sprite::sprite#4 gen_chargen_sprite::sprite#1 ]
+Allocated (was zp ZP_BYTE:45) zp ZP_BYTE:30 [ place_sprites::spr_id#2 place_sprites::spr_id#1 ]
+Allocated (was zp ZP_BYTE:47) zp ZP_BYTE:31 [ place_sprites::spr_x#2 place_sprites::spr_x#1 ]
+Allocated (was zp ZP_BYTE:49) zp ZP_BYTE:32 [ place_sprites::col#2 place_sprites::col#1 ]
+Allocated (was zp ZP_WORD:50) zp ZP_WORD:33 [ anim::x#0 ]
+Allocated (was zp ZP_WORD:55) zp ZP_WORD:35 [ getFAC::return#2 gen_sintab::$23 getFAC::return#0 ]
+Allocated (was zp ZP_WORD:65) zp ZP_WORD:37 [ gen_chargen_sprite::$0 gen_chargen_sprite::$1 gen_chargen_sprite::chargen#0 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -8040,8 +8040,8 @@ ASSEMBLER BEFORE OPTIMIZATION
   .const sinlen_x = $dd
   .const sinlen_y = $c5
   .label sprites = $2000
-  .label progress_idx = 4
-  .label progress_cursor = $a
+  .label progress_idx = $f
+  .label progress_cursor = $10
   .label sin_idx_x = 2
   .label sin_idx_y = 3
 //SEG2 @begin
@@ -8111,7 +8111,7 @@ main: {
 anim: {
     .label xidx = 4
     .label yidx = 6
-    .label x = 8
+    .label x = $21
     .label x_msb = 5
     .label j = 7
   //SEG29 [12] *((const byte*) BORDERCOL#0) ← ++ *((const byte*) BORDERCOL#0) [ sin_idx_x#13 sin_idx_y#13 ] ( main:2::anim:9 [ sin_idx_x#13 sin_idx_y#13 ] ) -- _deref_pbuc1=_inc__deref_pbuc1 
@@ -8464,11 +8464,11 @@ clear_screen: {
 //SEG154 gen_sintab
 gen_sintab: {
     .label f_2pi = $e2e5
-    .label _23 = $c
-    .label i = 2
-    .label min = 2
-    .label length = 3
-    .label sintab = 8
+    .label _23 = $23
+    .label i = $e
+    .label min = $a
+    .label length = $b
+    .label sintab = $c
   //SEG155 [74] (word) setFAC::w#0 ← ((word)) (byte) gen_sintab::max#2 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 setFAC::w#0 progress_init::line#2 ] ( main:2::init:5::gen_sintab:59 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 setFAC::w#0 progress_init::line#2 ] main:2::init:5::gen_sintab:63 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 setFAC::w#0 progress_init::line#2 ] ) -- vwuz1=_word_vbuxx 
     txa
     sta setFAC.w
@@ -8734,12 +8734,12 @@ gen_sintab: {
   //SEG254 [115] call getFAC param-assignment [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 getFAC::return#0 ] ( main:2::init:5::gen_sintab:59 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 getFAC::return#0 ] main:2::init:5::gen_sintab:63 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 getFAC::return#0 ] )
     jsr getFAC
   //SEG255 [116] (word) getFAC::return#2 ← (word) getFAC::return#0 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 getFAC::return#2 ] ( main:2::init:5::gen_sintab:59 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 getFAC::return#2 ] main:2::init:5::gen_sintab:63 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 getFAC::return#2 ] )
-    // (word) getFAC::return#2 = (word) getFAC::return#0  // register copy zp ZP_WORD:12
+    // (word) getFAC::return#2 = (word) getFAC::return#0  // register copy zp ZP_WORD:35
     jmp b22
   //SEG256 gen_sintab::@22
   b22:
   //SEG257 [117] (word~) gen_sintab::$23 ← (word) getFAC::return#2 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 gen_sintab::$23 ] ( main:2::init:5::gen_sintab:59 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 gen_sintab::$23 ] main:2::init:5::gen_sintab:63 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 gen_sintab::$23 ] )
-    // (word~) gen_sintab::$23 = (word) getFAC::return#2  // register copy zp ZP_WORD:12
+    // (word~) gen_sintab::$23 = (word) getFAC::return#2  // register copy zp ZP_WORD:35
   //SEG258 [118] (byte~) gen_sintab::$24 ← ((byte)) (word~) gen_sintab::$23 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 gen_sintab::$24 ] ( main:2::init:5::gen_sintab:59 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 gen_sintab::$24 ] main:2::init:5::gen_sintab:63 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 gen_sintab::$24 ] ) -- vbuaa=_byte_vwuz1 
     lda _23
   //SEG259 [119] *((byte*) gen_sintab::sintab#12 + (byte) gen_sintab::i#10) ← (byte~) gen_sintab::$24 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] ( main:2::init:5::gen_sintab:59 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] ) -- pbuz1_derefidx_vbuz2=vbuaa 
@@ -8813,7 +8813,7 @@ progress_inc: {
 }
 //SEG282 getFAC
 getFAC: {
-    .label return = $c
+    .label return = $23
   //SEG283 asm { jsr$b1aa sty$fe sta$ff  }
     jsr $b1aa
     sty $fe
@@ -8831,9 +8831,9 @@ getFAC: {
 }
 //SEG287 addMEMtoFAC
 addMEMtoFAC: {
-    .label mem = $c
+    .label mem = $12
   //SEG288 [135] (byte*) prepareMEM::mem#2 ← (byte*) addMEMtoFAC::mem#2 [ prepareMEM::mem#2 ] ( main:2::init:5::gen_sintab:59::addMEMtoFAC:94 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#2 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:94 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#2 ] main:2::init:5::gen_sintab:59::addMEMtoFAC:113 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#2 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:113 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#2 ] )
-    // (byte*) prepareMEM::mem#2 = (byte*) addMEMtoFAC::mem#2  // register copy zp ZP_WORD:12
+    // (byte*) prepareMEM::mem#2 = (byte*) addMEMtoFAC::mem#2  // register copy zp ZP_WORD:18
   //SEG289 [136] call prepareMEM param-assignment [ ] ( main:2::init:5::gen_sintab:59::addMEMtoFAC:94 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:94 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::addMEMtoFAC:113 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:113 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] )
   //SEG290 [139] phi from addMEMtoFAC to prepareMEM [phi:addMEMtoFAC->prepareMEM]
   prepareMEM_from_addMEMtoFAC:
@@ -8854,7 +8854,7 @@ addMEMtoFAC: {
 }
 //SEG296 prepareMEM
 prepareMEM: {
-    .label mem = $c
+    .label mem = $12
   //SEG297 [140] (byte~) prepareMEM::$0 ← < (byte*) prepareMEM::mem#5 [ prepareMEM::mem#5 prepareMEM::$0 ] ( main:2::init:5::gen_sintab:59::addMEMtoFAC:94::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:94::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::addMEMtoFAC:113::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:113::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::mulFACbyMEM:101::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:101::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::mulFACbyMEM:111::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:111::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::divMEMbyFAC:90::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:90::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::divMEMbyFAC:107::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:107::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setFAC:75::prepareMEM:159 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setFAC:75::prepareMEM:159 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setFAC:80::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setFAC:80::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setFAC:88::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setFAC:88::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setFAC:99::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setFAC:99::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setFAC:105::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setFAC:105::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:82::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:82::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:86::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:86::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:92::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:92::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:96::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:96::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:103::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:103::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] ) -- vbuaa=_lo_pbuz1 
     lda mem
   //SEG298 [141] *((const byte*) memLo#0) ← (byte~) prepareMEM::$0 [ prepareMEM::mem#5 ] ( main:2::init:5::gen_sintab:59::addMEMtoFAC:94::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:94::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::addMEMtoFAC:113::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:113::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::mulFACbyMEM:101::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:101::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::mulFACbyMEM:111::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:111::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::divMEMbyFAC:90::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:90::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::divMEMbyFAC:107::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:107::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setFAC:75::prepareMEM:159 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setFAC:75::prepareMEM:159 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setFAC:80::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setFAC:80::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setFAC:88::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setFAC:88::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setFAC:99::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setFAC:99::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setFAC:105::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setFAC:105::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:82::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:82::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:86::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:86::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:92::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:92::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:96::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:96::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:103::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:103::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] ) -- _deref_pbuc1=vbuaa 
@@ -8871,9 +8871,9 @@ prepareMEM: {
 }
 //SEG303 mulFACbyMEM
 mulFACbyMEM: {
-    .label mem = $c
+    .label mem = $12
   //SEG304 [146] (byte*) prepareMEM::mem#4 ← (byte*) mulFACbyMEM::mem#2 [ prepareMEM::mem#4 ] ( main:2::init:5::gen_sintab:59::mulFACbyMEM:101 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#4 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:101 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#4 ] main:2::init:5::gen_sintab:59::mulFACbyMEM:111 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#4 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:111 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#4 ] )
-    // (byte*) prepareMEM::mem#4 = (byte*) mulFACbyMEM::mem#2  // register copy zp ZP_WORD:12
+    // (byte*) prepareMEM::mem#4 = (byte*) mulFACbyMEM::mem#2  // register copy zp ZP_WORD:18
   //SEG305 [147] call prepareMEM param-assignment [ ] ( main:2::init:5::gen_sintab:59::mulFACbyMEM:101 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:101 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:59::mulFACbyMEM:111 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:111 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] )
   //SEG306 [139] phi from mulFACbyMEM to prepareMEM [phi:mulFACbyMEM->prepareMEM]
   prepareMEM_from_mulFACbyMEM:
@@ -8904,9 +8904,9 @@ sinFAC: {
 }
 //SEG316 divMEMbyFAC
 divMEMbyFAC: {
-    .label mem = $c
+    .label mem = $12
   //SEG317 [153] (byte*) prepareMEM::mem#3 ← (byte*) divMEMbyFAC::mem#2 [ prepareMEM::mem#3 ] ( main:2::init:5::gen_sintab:59::divMEMbyFAC:90 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#3 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:90 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#3 ] main:2::init:5::gen_sintab:59::divMEMbyFAC:107 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#3 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:107 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#3 ] )
-    // (byte*) prepareMEM::mem#3 = (byte*) divMEMbyFAC::mem#2  // register copy zp ZP_WORD:12
+    // (byte*) prepareMEM::mem#3 = (byte*) divMEMbyFAC::mem#2  // register copy zp ZP_WORD:18
   //SEG318 [154] call prepareMEM param-assignment [ ] ( main:2::init:5::gen_sintab:59::divMEMbyFAC:90 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:90 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::divMEMbyFAC:107 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:107 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] )
   //SEG319 [139] phi from divMEMbyFAC to prepareMEM [phi:divMEMbyFAC->prepareMEM]
   prepareMEM_from_divMEMbyFAC:
@@ -8927,9 +8927,9 @@ divMEMbyFAC: {
 }
 //SEG325 setFAC
 setFAC: {
-    .label w = $c
+    .label w = $12
   //SEG326 [158] (byte*~) prepareMEM::mem#9 ← (byte*)(word) setFAC::w#5 [ prepareMEM::mem#9 ] ( main:2::init:5::gen_sintab:59::setFAC:75 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:63::setFAC:75 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:59::setFAC:80 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:63::setFAC:80 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:59::setFAC:88 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:63::setFAC:88 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:59::setFAC:99 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:63::setFAC:99 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:59::setFAC:105 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:63::setFAC:105 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#9 ] )
-    // (byte*~) prepareMEM::mem#9 = (byte*)(word) setFAC::w#5  // register copy zp ZP_WORD:12
+    // (byte*~) prepareMEM::mem#9 = (byte*)(word) setFAC::w#5  // register copy zp ZP_WORD:18
   //SEG327 [159] call prepareMEM param-assignment [ ] ( main:2::init:5::gen_sintab:59::setFAC:75 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::setFAC:75 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::setFAC:80 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::setFAC:80 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::setFAC:88 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::setFAC:88 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::setFAC:99 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63::setFAC:99 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:59::setFAC:105 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63::setFAC:105 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] )
   //SEG328 [139] phi from setFAC to prepareMEM [phi:setFAC->prepareMEM]
   prepareMEM_from_setFAC:
@@ -8950,9 +8950,9 @@ setFAC: {
 }
 //SEG334 setMEMtoFAC
 setMEMtoFAC: {
-    .label mem = $c
+    .label mem = $12
   //SEG335 [163] (byte*) prepareMEM::mem#1 ← (byte*) setMEMtoFAC::mem#5 [ prepareMEM::mem#1 ] ( main:2::init:5::gen_sintab:59::setMEMtoFAC:82 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:82 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:86 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:86 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:92 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:92 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:96 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:96 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:103 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:103 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#1 ] )
-    // (byte*) prepareMEM::mem#1 = (byte*) setMEMtoFAC::mem#5  // register copy zp ZP_WORD:12
+    // (byte*) prepareMEM::mem#1 = (byte*) setMEMtoFAC::mem#5  // register copy zp ZP_WORD:18
   //SEG336 [164] call prepareMEM param-assignment [ ] ( main:2::init:5::gen_sintab:59::setMEMtoFAC:82 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:82 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:86 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:86 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:92 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:92 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:96 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:96 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:103 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:103 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] )
   //SEG337 [139] phi from setMEMtoFAC to prepareMEM [phi:setMEMtoFAC->prepareMEM]
   prepareMEM_from_setMEMtoFAC:
@@ -8993,7 +8993,7 @@ setARGtoFAC: {
 }
 //SEG351 progress_init
 progress_init: {
-    .label line = $a
+    .label line = $10
     jmp breturn
   //SEG352 progress_init::@return
   breturn:
@@ -9002,8 +9002,8 @@ progress_init: {
 }
 //SEG354 gen_sprites
 gen_sprites: {
-    .label spr = 8
-    .label i = 2
+    .label spr = $15
+    .label i = $14
   //SEG355 [174] phi from gen_sprites to gen_sprites::@1 [phi:gen_sprites->gen_sprites::@1]
   b1_from_gen_sprites:
   //SEG356 [174] phi (byte*) gen_sprites::spr#2 = (const byte*) sprites#0 [phi:gen_sprites->gen_sprites::@1#0] -- pbuz1=pbuc1 
@@ -9058,15 +9058,15 @@ gen_sprites: {
 }
 //SEG371 gen_chargen_sprite
 gen_chargen_sprite: {
-    .label _0 = $c
-    .label _1 = $c
-    .label sprite = $a
-    .label chargen = $c
-    .label bits = 4
-    .label s_gen = 7
-    .label x = 5
-    .label y = 3
-    .label c = 6
+    .label _0 = $25
+    .label _1 = $25
+    .label sprite = $1c
+    .label chargen = $25
+    .label bits = $18
+    .label s_gen = $1b
+    .label x = $19
+    .label y = $17
+    .label c = $1a
   //SEG372 [182] (word~) gen_chargen_sprite::$0 ← ((word)) (byte) gen_chargen_sprite::ch#0 [ gen_chargen_sprite::sprite#0 gen_chargen_sprite::$0 ] ( main:2::init:5::gen_sprites:55::gen_chargen_sprite:177 [ gen_sprites::i#2 gen_sprites::spr#2 gen_chargen_sprite::sprite#0 gen_chargen_sprite::$0 ] ) -- vwuz1=_word_vbuyy 
     tya
     sta _0
@@ -9273,9 +9273,9 @@ gen_chargen_sprite: {
 //SEG451 place_sprites
 place_sprites: {
     .label sprites_ptr = SCREEN+$3f8
-    .label spr_id = 2
-    .label spr_x = 3
-    .label col = 4
+    .label spr_id = $1e
+    .label spr_x = $1f
+    .label col = $20
   //SEG452 [215] *((const byte*) SPRITES_ENABLE#0) ← (byte/signed byte/word/signed word/dword/signed dword) 127 [ ] ( main:2::init:5::place_sprites:53 [ ] ) -- _deref_pbuc1=vbuc2 
     lda #$7f
     sta SPRITES_ENABLE
@@ -9704,7 +9704,7 @@ FINAL SYMBOL TABLE
 (label) addMEMtoFAC::@1
 (label) addMEMtoFAC::@return
 (byte*) addMEMtoFAC::mem
-(byte*) addMEMtoFAC::mem#2 mem zp ZP_WORD:12 2.0
+(byte*) addMEMtoFAC::mem#2 mem zp ZP_WORD:18 2.0
 (void()) anim()
 (byte~) anim::$2 reg byte a 101.0
 (byte~) anim::$3 reg byte alu 202.0
@@ -9727,7 +9727,7 @@ FINAL SYMBOL TABLE
 (byte) anim::j2#1 reg byte x 67.33333333333333
 (byte) anim::j2#2 reg byte x 25.25
 (word) anim::x
-(word) anim::x#0 x zp ZP_WORD:8 75.75
+(word) anim::x#0 x zp ZP_WORD:33 75.75
 (byte) anim::x_msb
 (byte) anim::x_msb#1 x_msb zp ZP_BYTE:5 13.6
 (byte) anim::x_msb#2 x_msb zp ZP_BYTE:5 101.0
@@ -9753,10 +9753,10 @@ FINAL SYMBOL TABLE
 (label) divMEMbyFAC::@1
 (label) divMEMbyFAC::@return
 (byte*) divMEMbyFAC::mem
-(byte*) divMEMbyFAC::mem#2 mem zp ZP_WORD:12 2.0
+(byte*) divMEMbyFAC::mem#2 mem zp ZP_WORD:18 2.0
 (void()) gen_chargen_sprite((byte) gen_chargen_sprite::ch , (byte*) gen_chargen_sprite::sprite)
-(word~) gen_chargen_sprite::$0 $0 zp ZP_WORD:12 4.0
-(word~) gen_chargen_sprite::$1 $1 zp ZP_WORD:12 4.0
+(word~) gen_chargen_sprite::$0 $0 zp ZP_WORD:37 4.0
+(word~) gen_chargen_sprite::$1 $1 zp ZP_WORD:37 4.0
 (byte~) gen_chargen_sprite::$3 reg byte a 2002.0
 (byte~) gen_chargen_sprite::$6 reg byte a 20002.0
 (label) gen_chargen_sprite::@1
@@ -9774,41 +9774,41 @@ FINAL SYMBOL TABLE
 (byte) gen_chargen_sprite::b#1 reg byte x 15001.5
 (byte) gen_chargen_sprite::b#2 reg byte x 2000.2
 (byte) gen_chargen_sprite::bits
-(byte) gen_chargen_sprite::bits#0 bits zp ZP_BYTE:4 202.0
-(byte) gen_chargen_sprite::bits#1 bits zp ZP_BYTE:4 667.3333333333334
-(byte) gen_chargen_sprite::bits#2 bits zp ZP_BYTE:4 182.58823529411765
+(byte) gen_chargen_sprite::bits#0 bits zp ZP_BYTE:24 202.0
+(byte) gen_chargen_sprite::bits#1 bits zp ZP_BYTE:24 667.3333333333334
+(byte) gen_chargen_sprite::bits#2 bits zp ZP_BYTE:24 182.58823529411765
 (byte) gen_chargen_sprite::c
-(byte) gen_chargen_sprite::c#3 c zp ZP_BYTE:6 769.3076923076923
+(byte) gen_chargen_sprite::c#3 c zp ZP_BYTE:26 769.3076923076923
 (byte) gen_chargen_sprite::ch
 (byte) gen_chargen_sprite::ch#0 reg byte y 6.5
 (byte*) gen_chargen_sprite::chargen
-(byte*) gen_chargen_sprite::chargen#0 chargen zp ZP_WORD:12 3.678571428571429
+(byte*) gen_chargen_sprite::chargen#0 chargen zp ZP_WORD:37 3.678571428571429
 (byte) gen_chargen_sprite::s_gen
-(byte) gen_chargen_sprite::s_gen#1 s_gen zp ZP_BYTE:7 10001.0
-(byte) gen_chargen_sprite::s_gen#3 s_gen zp ZP_BYTE:7 21003.0
-(byte) gen_chargen_sprite::s_gen#5 s_gen zp ZP_BYTE:7 400.4
-(byte) gen_chargen_sprite::s_gen#6 s_gen zp ZP_BYTE:7 3500.5
+(byte) gen_chargen_sprite::s_gen#1 s_gen zp ZP_BYTE:27 10001.0
+(byte) gen_chargen_sprite::s_gen#3 s_gen zp ZP_BYTE:27 21003.0
+(byte) gen_chargen_sprite::s_gen#5 s_gen zp ZP_BYTE:27 400.4
+(byte) gen_chargen_sprite::s_gen#6 s_gen zp ZP_BYTE:27 3500.5
 (byte) gen_chargen_sprite::s_gen_cnt
 (byte) gen_chargen_sprite::s_gen_cnt#1 reg byte y 15001.5
 (byte) gen_chargen_sprite::s_gen_cnt#3 reg byte y 7001.0
 (byte) gen_chargen_sprite::s_gen_cnt#4 reg byte y 400.4
 (byte) gen_chargen_sprite::s_gen_cnt#5 reg byte y 3500.5
 (byte*) gen_chargen_sprite::sprite
-(byte*) gen_chargen_sprite::sprite#0 sprite zp ZP_WORD:10 2.1666666666666665
-(byte*) gen_chargen_sprite::sprite#1 sprite zp ZP_WORD:10 20002.0
-(byte*) gen_chargen_sprite::sprite#10 sprite zp ZP_WORD:10 420.59999999999997
-(byte*) gen_chargen_sprite::sprite#11 sprite zp ZP_WORD:10 102.0
-(byte*) gen_chargen_sprite::sprite#2 sprite zp ZP_WORD:10 67.33333333333333
-(byte*) gen_chargen_sprite::sprite#3 sprite zp ZP_WORD:10 7625.875
-(byte*) gen_chargen_sprite::sprite#4 sprite zp ZP_WORD:10 5184.166666666666
+(byte*) gen_chargen_sprite::sprite#0 sprite zp ZP_WORD:28 2.1666666666666665
+(byte*) gen_chargen_sprite::sprite#1 sprite zp ZP_WORD:28 20002.0
+(byte*) gen_chargen_sprite::sprite#10 sprite zp ZP_WORD:28 420.59999999999997
+(byte*) gen_chargen_sprite::sprite#11 sprite zp ZP_WORD:28 102.0
+(byte*) gen_chargen_sprite::sprite#2 sprite zp ZP_WORD:28 67.33333333333333
+(byte*) gen_chargen_sprite::sprite#3 sprite zp ZP_WORD:28 7625.875
+(byte*) gen_chargen_sprite::sprite#4 sprite zp ZP_WORD:28 5184.166666666666
 (byte) gen_chargen_sprite::x
-(byte) gen_chargen_sprite::x#1 x zp ZP_BYTE:5 1501.5
-(byte) gen_chargen_sprite::x#6 x zp ZP_BYTE:5 111.22222222222223
+(byte) gen_chargen_sprite::x#1 x zp ZP_BYTE:25 1501.5
+(byte) gen_chargen_sprite::x#6 x zp ZP_BYTE:25 111.22222222222223
 (byte) gen_chargen_sprite::y
-(byte) gen_chargen_sprite::y#1 y zp ZP_BYTE:3 151.5
-(byte) gen_chargen_sprite::y#2 y zp ZP_BYTE:3 13.173913043478262
+(byte) gen_chargen_sprite::y#1 y zp ZP_BYTE:23 151.5
+(byte) gen_chargen_sprite::y#2 y zp ZP_BYTE:23 13.173913043478262
 (void()) gen_sintab((byte*) gen_sintab::sintab , (byte) gen_sintab::length , (byte) gen_sintab::min , (byte) gen_sintab::max)
-(word~) gen_sintab::$23 $23 zp ZP_WORD:12 22.0
+(word~) gen_sintab::$23 $23 zp ZP_WORD:35 22.0
 (byte~) gen_sintab::$24 reg byte a 22.0
 (label) gen_sintab::@1
 (label) gen_sintab::@10
@@ -9841,16 +9841,16 @@ FINAL SYMBOL TABLE
 (byte[]) gen_sintab::f_min
 (const byte[]) gen_sintab::f_min#0 f_min = { (byte/signed byte/word/signed word/dword/signed dword) 0, (byte/signed byte/word/signed word/dword/signed dword) 0, (byte/signed byte/word/signed word/dword/signed dword) 0, (byte/signed byte/word/signed word/dword/signed dword) 0, (byte/signed byte/word/signed word/dword/signed dword) 0 }
 (byte) gen_sintab::i
-(byte) gen_sintab::i#1 i zp ZP_BYTE:2 16.5
-(byte) gen_sintab::i#10 i zp ZP_BYTE:2 1.8333333333333333
+(byte) gen_sintab::i#1 i zp ZP_BYTE:14 16.5
+(byte) gen_sintab::i#10 i zp ZP_BYTE:14 1.8333333333333333
 (byte) gen_sintab::length
-(byte) gen_sintab::length#10 length zp ZP_BYTE:3 0.44
+(byte) gen_sintab::length#10 length zp ZP_BYTE:11 0.44
 (byte) gen_sintab::max
 (byte) gen_sintab::max#2 reg byte x 2.0
 (byte) gen_sintab::min
-(byte) gen_sintab::min#2 min zp ZP_BYTE:2 0.3333333333333333
+(byte) gen_sintab::min#2 min zp ZP_BYTE:10 0.3333333333333333
 (byte*) gen_sintab::sintab
-(byte*) gen_sintab::sintab#12 sintab zp ZP_WORD:8 0.22
+(byte*) gen_sintab::sintab#12 sintab zp ZP_WORD:12 0.22
 (void()) gen_sprites()
 (label) gen_sprites::@1
 (label) gen_sprites::@3
@@ -9858,16 +9858,16 @@ FINAL SYMBOL TABLE
 (byte[]) gen_sprites::cml
 (const string) gen_sprites::cml#0 cml = (string) "camelot"
 (byte) gen_sprites::i
-(byte) gen_sprites::i#1 i zp ZP_BYTE:2 16.5
-(byte) gen_sprites::i#2 i zp ZP_BYTE:2 6.6000000000000005
+(byte) gen_sprites::i#1 i zp ZP_BYTE:20 16.5
+(byte) gen_sprites::i#2 i zp ZP_BYTE:20 6.6000000000000005
 (byte*) gen_sprites::spr
-(byte*) gen_sprites::spr#1 spr zp ZP_WORD:8 7.333333333333333
-(byte*) gen_sprites::spr#2 spr zp ZP_WORD:8 8.25
+(byte*) gen_sprites::spr#1 spr zp ZP_WORD:21 7.333333333333333
+(byte*) gen_sprites::spr#2 spr zp ZP_WORD:21 8.25
 (word()) getFAC()
 (label) getFAC::@return
 (word) getFAC::return
-(word) getFAC::return#0 return zp ZP_WORD:12 4.333333333333333
-(word) getFAC::return#2 return zp ZP_WORD:12 22.0
+(word) getFAC::return#0 return zp ZP_WORD:35 4.333333333333333
+(word) getFAC::return#2 return zp ZP_WORD:35 22.0
 (word) getFAC::w
 (void()) init()
 (label) init::@1
@@ -9895,13 +9895,13 @@ FINAL SYMBOL TABLE
 (label) mulFACbyMEM::@1
 (label) mulFACbyMEM::@return
 (byte*) mulFACbyMEM::mem
-(byte*) mulFACbyMEM::mem#2 mem zp ZP_WORD:12 2.0
+(byte*) mulFACbyMEM::mem#2 mem zp ZP_WORD:18 2.0
 (void()) place_sprites()
 (label) place_sprites::@1
 (label) place_sprites::@return
 (byte) place_sprites::col
-(byte) place_sprites::col#1 col zp ZP_BYTE:4 4.4
-(byte) place_sprites::col#2 col zp ZP_BYTE:4 4.714285714285714
+(byte) place_sprites::col#1 col zp ZP_BYTE:32 4.4
+(byte) place_sprites::col#2 col zp ZP_BYTE:32 4.714285714285714
 (byte) place_sprites::j
 (byte) place_sprites::j#1 reg byte y 16.5
 (byte) place_sprites::j#2 reg byte y 4.4
@@ -9910,11 +9910,11 @@ FINAL SYMBOL TABLE
 (byte) place_sprites::j2#2 reg byte x 7.333333333333333
 (byte) place_sprites::j2#3 reg byte x 5.5
 (byte) place_sprites::spr_id
-(byte) place_sprites::spr_id#1 spr_id zp ZP_BYTE:2 2.2
-(byte) place_sprites::spr_id#2 spr_id zp ZP_BYTE:2 16.5
+(byte) place_sprites::spr_id#1 spr_id zp ZP_BYTE:30 2.2
+(byte) place_sprites::spr_id#2 spr_id zp ZP_BYTE:30 16.5
 (byte) place_sprites::spr_x
-(byte) place_sprites::spr_x#1 spr_x zp ZP_BYTE:3 3.6666666666666665
-(byte) place_sprites::spr_x#2 spr_x zp ZP_BYTE:3 5.5
+(byte) place_sprites::spr_x#1 spr_x zp ZP_BYTE:31 3.6666666666666665
+(byte) place_sprites::spr_x#2 spr_x zp ZP_BYTE:31 5.5
 (byte*) place_sprites::sprites_ptr
 (const byte*) place_sprites::sprites_ptr#0 sprites_ptr = (const byte*) SCREEN#0+(word/signed word/dword/signed dword) 1016
 (void()) prepareMEM((byte*) prepareMEM::mem)
@@ -9922,20 +9922,20 @@ FINAL SYMBOL TABLE
 (byte~) prepareMEM::$1 reg byte a 4.0
 (label) prepareMEM::@return
 (byte*) prepareMEM::mem
-(byte*) prepareMEM::mem#1 mem zp ZP_WORD:12 4.0
-(byte*) prepareMEM::mem#2 mem zp ZP_WORD:12 4.0
-(byte*) prepareMEM::mem#3 mem zp ZP_WORD:12 4.0
-(byte*) prepareMEM::mem#4 mem zp ZP_WORD:12 4.0
-(byte*) prepareMEM::mem#5 mem zp ZP_WORD:12 4.666666666666666
-(byte*~) prepareMEM::mem#9 mem zp ZP_WORD:12 4.0
+(byte*) prepareMEM::mem#1 mem zp ZP_WORD:18 4.0
+(byte*) prepareMEM::mem#2 mem zp ZP_WORD:18 4.0
+(byte*) prepareMEM::mem#3 mem zp ZP_WORD:18 4.0
+(byte*) prepareMEM::mem#4 mem zp ZP_WORD:18 4.0
+(byte*) prepareMEM::mem#5 mem zp ZP_WORD:18 4.666666666666666
+(byte*~) prepareMEM::mem#9 mem zp ZP_WORD:18 4.0
 (byte*) progress_cursor
-(byte*) progress_cursor#10 progress_cursor zp ZP_WORD:10 4.0
-(byte*) progress_cursor#11 progress_cursor zp ZP_WORD:10 2.8333333333333335
-(byte*) progress_cursor#34 progress_cursor zp ZP_WORD:10 0.7307692307692306
+(byte*) progress_cursor#10 progress_cursor zp ZP_WORD:16 4.0
+(byte*) progress_cursor#11 progress_cursor zp ZP_WORD:16 2.8333333333333335
+(byte*) progress_cursor#34 progress_cursor zp ZP_WORD:16 0.7307692307692306
 (byte) progress_idx
-(byte) progress_idx#10 progress_idx zp ZP_BYTE:4 3.0
-(byte) progress_idx#12 progress_idx zp ZP_BYTE:4 2.5
-(byte) progress_idx#34 progress_idx zp ZP_BYTE:4 0.5652173913043479
+(byte) progress_idx#10 progress_idx zp ZP_BYTE:15 3.0
+(byte) progress_idx#12 progress_idx zp ZP_BYTE:15 2.5
+(byte) progress_idx#34 progress_idx zp ZP_BYTE:15 0.5652173913043479
 (void()) progress_inc()
 (label) progress_inc::@1
 (label) progress_inc::@2
@@ -9945,23 +9945,23 @@ FINAL SYMBOL TABLE
 (void()) progress_init((byte*) progress_init::line)
 (label) progress_init::@return
 (byte*) progress_init::line
-(byte*) progress_init::line#2 line zp ZP_WORD:10 0.06666666666666667
+(byte*) progress_init::line#2 line zp ZP_WORD:16 0.06666666666666667
 (void()) setARGtoFAC()
 (label) setARGtoFAC::@return
 (void()) setFAC((word) setFAC::w)
 (label) setFAC::@1
 (label) setFAC::@return
 (word) setFAC::w
-(word) setFAC::w#0 w zp ZP_WORD:12 4.0
-(word) setFAC::w#1 w zp ZP_WORD:12 4.0
-(word) setFAC::w#3 w zp ZP_WORD:12 22.0
-(word) setFAC::w#4 w zp ZP_WORD:12 22.0
-(word) setFAC::w#5 w zp ZP_WORD:12 26.0
+(word) setFAC::w#0 w zp ZP_WORD:18 4.0
+(word) setFAC::w#1 w zp ZP_WORD:18 4.0
+(word) setFAC::w#3 w zp ZP_WORD:18 22.0
+(word) setFAC::w#4 w zp ZP_WORD:18 22.0
+(word) setFAC::w#5 w zp ZP_WORD:18 26.0
 (void()) setMEMtoFAC((byte*) setMEMtoFAC::mem)
 (label) setMEMtoFAC::@1
 (label) setMEMtoFAC::@return
 (byte*) setMEMtoFAC::mem
-(byte*) setMEMtoFAC::mem#5 mem zp ZP_WORD:12 2.0
+(byte*) setMEMtoFAC::mem#5 mem zp ZP_WORD:18 2.0
 (void()) sinFAC()
 (label) sinFAC::@return
 (byte) sin_idx_x
@@ -9985,29 +9985,48 @@ FINAL SYMBOL TABLE
 (void()) subFACfromARG()
 (label) subFACfromARG::@return
 
-zp ZP_BYTE:2 [ sin_idx_x#13 sin_idx_x#11 sin_idx_x#3 gen_sintab::min#2 gen_sintab::i#10 gen_sintab::i#1 gen_sprites::i#2 gen_sprites::i#1 place_sprites::spr_id#2 place_sprites::spr_id#1 ]
-zp ZP_BYTE:3 [ sin_idx_y#13 sin_idx_y#11 sin_idx_y#3 gen_sintab::length#10 gen_chargen_sprite::y#2 gen_chargen_sprite::y#1 place_sprites::spr_x#2 place_sprites::spr_x#1 ]
-zp ZP_BYTE:4 [ anim::xidx#3 anim::xidx#0 anim::xidx#5 anim::xidx#1 anim::xidx#2 progress_idx#34 progress_idx#12 progress_idx#10 gen_chargen_sprite::bits#2 gen_chargen_sprite::bits#0 gen_chargen_sprite::bits#1 place_sprites::col#2 place_sprites::col#1 ]
-zp ZP_BYTE:5 [ anim::x_msb#2 anim::x_msb#1 gen_chargen_sprite::x#6 gen_chargen_sprite::x#1 ]
+zp ZP_BYTE:2 [ sin_idx_x#13 sin_idx_x#11 sin_idx_x#3 ]
+zp ZP_BYTE:3 [ sin_idx_y#13 sin_idx_y#11 sin_idx_y#3 ]
+zp ZP_BYTE:4 [ anim::xidx#3 anim::xidx#0 anim::xidx#5 anim::xidx#1 anim::xidx#2 ]
+zp ZP_BYTE:5 [ anim::x_msb#2 anim::x_msb#1 ]
 reg byte x [ anim::j2#2 anim::j2#1 ]
-zp ZP_BYTE:6 [ anim::yidx#3 anim::yidx#0 anim::yidx#6 anim::yidx#1 anim::yidx#2 gen_chargen_sprite::c#3 ]
-zp ZP_BYTE:7 [ anim::j#2 anim::j#1 gen_chargen_sprite::s_gen#3 gen_chargen_sprite::s_gen#5 gen_chargen_sprite::s_gen#6 gen_chargen_sprite::s_gen#1 ]
+zp ZP_BYTE:6 [ anim::yidx#3 anim::yidx#0 anim::yidx#6 anim::yidx#1 anim::yidx#2 ]
+zp ZP_BYTE:7 [ anim::j#2 anim::j#1 ]
 reg byte x [ init::i#2 init::i#1 ]
-zp ZP_WORD:8 [ clear_screen::sc#2 clear_screen::sc#1 gen_sintab::sintab#12 gen_sprites::spr#2 gen_sprites::spr#1 anim::x#0 ]
+zp ZP_WORD:8 [ clear_screen::sc#2 clear_screen::sc#1 ]
 reg byte x [ gen_sintab::max#2 ]
-zp ZP_WORD:10 [ progress_cursor#34 progress_init::line#2 progress_cursor#11 progress_cursor#10 gen_chargen_sprite::sprite#3 gen_chargen_sprite::sprite#10 gen_chargen_sprite::sprite#11 gen_chargen_sprite::sprite#0 gen_chargen_sprite::sprite#2 gen_chargen_sprite::sprite#4 gen_chargen_sprite::sprite#1 ]
-zp ZP_WORD:12 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 divMEMbyFAC::mem#2 setFAC::w#5 setFAC::w#0 setFAC::w#3 setFAC::w#4 setFAC::w#1 setMEMtoFAC::mem#5 getFAC::return#2 gen_sintab::$23 getFAC::return#0 gen_chargen_sprite::$0 gen_chargen_sprite::$1 gen_chargen_sprite::chargen#0 ]
+zp ZP_BYTE:10 [ gen_sintab::min#2 ]
+zp ZP_BYTE:11 [ gen_sintab::length#10 ]
+zp ZP_WORD:12 [ gen_sintab::sintab#12 ]
+zp ZP_BYTE:14 [ gen_sintab::i#10 gen_sintab::i#1 ]
+zp ZP_BYTE:15 [ progress_idx#34 progress_idx#12 progress_idx#10 ]
+zp ZP_WORD:16 [ progress_cursor#34 progress_init::line#2 progress_cursor#11 progress_cursor#10 ]
+zp ZP_WORD:18 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 divMEMbyFAC::mem#2 setFAC::w#5 setFAC::w#0 setFAC::w#3 setFAC::w#4 setFAC::w#1 setMEMtoFAC::mem#5 ]
+zp ZP_BYTE:20 [ gen_sprites::i#2 gen_sprites::i#1 ]
+zp ZP_WORD:21 [ gen_sprites::spr#2 gen_sprites::spr#1 ]
+zp ZP_BYTE:23 [ gen_chargen_sprite::y#2 gen_chargen_sprite::y#1 ]
+zp ZP_BYTE:24 [ gen_chargen_sprite::bits#2 gen_chargen_sprite::bits#0 gen_chargen_sprite::bits#1 ]
+zp ZP_BYTE:25 [ gen_chargen_sprite::x#6 gen_chargen_sprite::x#1 ]
+zp ZP_BYTE:26 [ gen_chargen_sprite::c#3 ]
+zp ZP_BYTE:27 [ gen_chargen_sprite::s_gen#3 gen_chargen_sprite::s_gen#5 gen_chargen_sprite::s_gen#6 gen_chargen_sprite::s_gen#1 ]
 reg byte y [ gen_chargen_sprite::s_gen_cnt#3 gen_chargen_sprite::s_gen_cnt#4 gen_chargen_sprite::s_gen_cnt#5 gen_chargen_sprite::s_gen_cnt#1 ]
 reg byte x [ gen_chargen_sprite::b#2 gen_chargen_sprite::b#1 ]
+zp ZP_WORD:28 [ gen_chargen_sprite::sprite#3 gen_chargen_sprite::sprite#10 gen_chargen_sprite::sprite#11 gen_chargen_sprite::sprite#0 gen_chargen_sprite::sprite#2 gen_chargen_sprite::sprite#4 gen_chargen_sprite::sprite#1 ]
+zp ZP_BYTE:30 [ place_sprites::spr_id#2 place_sprites::spr_id#1 ]
 reg byte y [ place_sprites::j#2 place_sprites::j#1 ]
+zp ZP_BYTE:31 [ place_sprites::spr_x#2 place_sprites::spr_x#1 ]
 reg byte x [ place_sprites::j2#3 place_sprites::j2#2 ]
+zp ZP_BYTE:32 [ place_sprites::col#2 place_sprites::col#1 ]
+zp ZP_WORD:33 [ anim::x#0 ]
 reg byte a [ anim::$2 ]
 reg byte alu [ anim::$3 ]
 reg byte a [ anim::$5 ]
+zp ZP_WORD:35 [ getFAC::return#2 gen_sintab::$23 getFAC::return#0 ]
 reg byte a [ gen_sintab::$24 ]
 reg byte a [ prepareMEM::$0 ]
 reg byte a [ prepareMEM::$1 ]
 reg byte y [ gen_chargen_sprite::ch#0 ]
+zp ZP_WORD:37 [ gen_chargen_sprite::$0 gen_chargen_sprite::$1 gen_chargen_sprite::chargen#0 ]
 reg byte a [ gen_chargen_sprite::$3 ]
 reg byte a [ gen_chargen_sprite::$6 ]
 reg byte x [ place_sprites::j2#1 ]
@@ -10039,8 +10058,8 @@ Score: 767890
   .const sinlen_x = $dd
   .const sinlen_y = $c5
   .label sprites = $2000
-  .label progress_idx = 4
-  .label progress_cursor = $a
+  .label progress_idx = $f
+  .label progress_cursor = $10
   .label sin_idx_x = 2
   .label sin_idx_y = 3
 //SEG2 @begin
@@ -10086,7 +10105,7 @@ main: {
 anim: {
     .label xidx = 4
     .label yidx = 6
-    .label x = 8
+    .label x = $21
     .label x_msb = 5
     .label j = 7
   //SEG29 [12] *((const byte*) BORDERCOL#0) ← ++ *((const byte*) BORDERCOL#0) [ sin_idx_x#13 sin_idx_y#13 ] ( main:2::anim:9 [ sin_idx_x#13 sin_idx_y#13 ] ) -- _deref_pbuc1=_inc__deref_pbuc1 
@@ -10362,11 +10381,11 @@ clear_screen: {
 //SEG154 gen_sintab
 gen_sintab: {
     .label f_2pi = $e2e5
-    .label _23 = $c
-    .label i = 2
-    .label min = 2
-    .label length = 3
-    .label sintab = 8
+    .label _23 = $23
+    .label i = $e
+    .label min = $a
+    .label length = $b
+    .label sintab = $c
   //SEG155 [74] (word) setFAC::w#0 ← ((word)) (byte) gen_sintab::max#2 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 setFAC::w#0 progress_init::line#2 ] ( main:2::init:5::gen_sintab:59 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 setFAC::w#0 progress_init::line#2 ] main:2::init:5::gen_sintab:63 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 setFAC::w#0 progress_init::line#2 ] ) -- vwuz1=_word_vbuxx 
     txa
     sta setFAC.w
@@ -10559,10 +10578,10 @@ gen_sintab: {
   //SEG254 [115] call getFAC param-assignment [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 getFAC::return#0 ] ( main:2::init:5::gen_sintab:59 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 getFAC::return#0 ] main:2::init:5::gen_sintab:63 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 getFAC::return#0 ] )
     jsr getFAC
   //SEG255 [116] (word) getFAC::return#2 ← (word) getFAC::return#0 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 getFAC::return#2 ] ( main:2::init:5::gen_sintab:59 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 getFAC::return#2 ] main:2::init:5::gen_sintab:63 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 getFAC::return#2 ] )
-    // (word) getFAC::return#2 = (word) getFAC::return#0  // register copy zp ZP_WORD:12
+    // (word) getFAC::return#2 = (word) getFAC::return#0  // register copy zp ZP_WORD:35
   //SEG256 gen_sintab::@22
   //SEG257 [117] (word~) gen_sintab::$23 ← (word) getFAC::return#2 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 gen_sintab::$23 ] ( main:2::init:5::gen_sintab:59 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 gen_sintab::$23 ] main:2::init:5::gen_sintab:63 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 gen_sintab::$23 ] )
-    // (word~) gen_sintab::$23 = (word) getFAC::return#2  // register copy zp ZP_WORD:12
+    // (word~) gen_sintab::$23 = (word) getFAC::return#2  // register copy zp ZP_WORD:35
   //SEG258 [118] (byte~) gen_sintab::$24 ← ((byte)) (word~) gen_sintab::$23 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 gen_sintab::$24 ] ( main:2::init:5::gen_sintab:59 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 gen_sintab::$24 ] main:2::init:5::gen_sintab:63 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 gen_sintab::$24 ] ) -- vbuaa=_byte_vwuz1 
     lda _23
   //SEG259 [119] *((byte*) gen_sintab::sintab#12 + (byte) gen_sintab::i#10) ← (byte~) gen_sintab::$24 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] ( main:2::init:5::gen_sintab:59 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] ) -- pbuz1_derefidx_vbuz2=vbuaa 
@@ -10624,7 +10643,7 @@ progress_inc: {
 }
 //SEG282 getFAC
 getFAC: {
-    .label return = $c
+    .label return = $23
   //SEG283 asm { jsr$b1aa sty$fe sta$ff  }
     jsr $b1aa
     sty $fe
@@ -10640,9 +10659,9 @@ getFAC: {
 }
 //SEG287 addMEMtoFAC
 addMEMtoFAC: {
-    .label mem = $c
+    .label mem = $12
   //SEG288 [135] (byte*) prepareMEM::mem#2 ← (byte*) addMEMtoFAC::mem#2 [ prepareMEM::mem#2 ] ( main:2::init:5::gen_sintab:59::addMEMtoFAC:94 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#2 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:94 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#2 ] main:2::init:5::gen_sintab:59::addMEMtoFAC:113 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#2 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:113 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#2 ] )
-    // (byte*) prepareMEM::mem#2 = (byte*) addMEMtoFAC::mem#2  // register copy zp ZP_WORD:12
+    // (byte*) prepareMEM::mem#2 = (byte*) addMEMtoFAC::mem#2  // register copy zp ZP_WORD:18
   //SEG289 [136] call prepareMEM param-assignment [ ] ( main:2::init:5::gen_sintab:59::addMEMtoFAC:94 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:94 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::addMEMtoFAC:113 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:113 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] )
   //SEG290 [139] phi from addMEMtoFAC to prepareMEM [phi:addMEMtoFAC->prepareMEM]
   //SEG291 [139] phi (byte*) prepareMEM::mem#5 = (byte*) prepareMEM::mem#2 [phi:addMEMtoFAC->prepareMEM#0] -- register_copy 
@@ -10658,7 +10677,7 @@ addMEMtoFAC: {
 }
 //SEG296 prepareMEM
 prepareMEM: {
-    .label mem = $c
+    .label mem = $12
   //SEG297 [140] (byte~) prepareMEM::$0 ← < (byte*) prepareMEM::mem#5 [ prepareMEM::mem#5 prepareMEM::$0 ] ( main:2::init:5::gen_sintab:59::addMEMtoFAC:94::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:94::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::addMEMtoFAC:113::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:113::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::mulFACbyMEM:101::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:101::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::mulFACbyMEM:111::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:111::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::divMEMbyFAC:90::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:90::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::divMEMbyFAC:107::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:107::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setFAC:75::prepareMEM:159 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setFAC:75::prepareMEM:159 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setFAC:80::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setFAC:80::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setFAC:88::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setFAC:88::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setFAC:99::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setFAC:99::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setFAC:105::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setFAC:105::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:82::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:82::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:86::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:86::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:92::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:92::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:96::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:96::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:103::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:103::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 prepareMEM::$0 ] ) -- vbuaa=_lo_pbuz1 
     lda mem
   //SEG298 [141] *((const byte*) memLo#0) ← (byte~) prepareMEM::$0 [ prepareMEM::mem#5 ] ( main:2::init:5::gen_sintab:59::addMEMtoFAC:94::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:94::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::addMEMtoFAC:113::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::addMEMtoFAC:113::prepareMEM:136 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::mulFACbyMEM:101::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:101::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::mulFACbyMEM:111::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:111::prepareMEM:147 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::divMEMbyFAC:90::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:90::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::divMEMbyFAC:107::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:107::prepareMEM:154 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setFAC:75::prepareMEM:159 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setFAC:75::prepareMEM:159 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setFAC:80::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setFAC:80::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setFAC:88::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setFAC:88::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setFAC:99::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setFAC:99::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setFAC:105::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setFAC:105::prepareMEM:159 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:82::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:82::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:86::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:86::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:92::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:92::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:96::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:96::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:103::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:103::prepareMEM:164 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#5 ] ) -- _deref_pbuc1=vbuaa 
@@ -10673,9 +10692,9 @@ prepareMEM: {
 }
 //SEG303 mulFACbyMEM
 mulFACbyMEM: {
-    .label mem = $c
+    .label mem = $12
   //SEG304 [146] (byte*) prepareMEM::mem#4 ← (byte*) mulFACbyMEM::mem#2 [ prepareMEM::mem#4 ] ( main:2::init:5::gen_sintab:59::mulFACbyMEM:101 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#4 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:101 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#4 ] main:2::init:5::gen_sintab:59::mulFACbyMEM:111 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#4 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:111 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#4 ] )
-    // (byte*) prepareMEM::mem#4 = (byte*) mulFACbyMEM::mem#2  // register copy zp ZP_WORD:12
+    // (byte*) prepareMEM::mem#4 = (byte*) mulFACbyMEM::mem#2  // register copy zp ZP_WORD:18
   //SEG305 [147] call prepareMEM param-assignment [ ] ( main:2::init:5::gen_sintab:59::mulFACbyMEM:101 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:101 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:59::mulFACbyMEM:111 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63::mulFACbyMEM:111 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] )
   //SEG306 [139] phi from mulFACbyMEM to prepareMEM [phi:mulFACbyMEM->prepareMEM]
   //SEG307 [139] phi (byte*) prepareMEM::mem#5 = (byte*) prepareMEM::mem#4 [phi:mulFACbyMEM->prepareMEM#0] -- register_copy 
@@ -10699,9 +10718,9 @@ sinFAC: {
 }
 //SEG316 divMEMbyFAC
 divMEMbyFAC: {
-    .label mem = $c
+    .label mem = $12
   //SEG317 [153] (byte*) prepareMEM::mem#3 ← (byte*) divMEMbyFAC::mem#2 [ prepareMEM::mem#3 ] ( main:2::init:5::gen_sintab:59::divMEMbyFAC:90 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#3 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:90 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#3 ] main:2::init:5::gen_sintab:59::divMEMbyFAC:107 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#3 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:107 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#3 ] )
-    // (byte*) prepareMEM::mem#3 = (byte*) divMEMbyFAC::mem#2  // register copy zp ZP_WORD:12
+    // (byte*) prepareMEM::mem#3 = (byte*) divMEMbyFAC::mem#2  // register copy zp ZP_WORD:18
   //SEG318 [154] call prepareMEM param-assignment [ ] ( main:2::init:5::gen_sintab:59::divMEMbyFAC:90 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:90 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::divMEMbyFAC:107 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63::divMEMbyFAC:107 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] )
   //SEG319 [139] phi from divMEMbyFAC to prepareMEM [phi:divMEMbyFAC->prepareMEM]
   //SEG320 [139] phi (byte*) prepareMEM::mem#5 = (byte*) prepareMEM::mem#3 [phi:divMEMbyFAC->prepareMEM#0] -- register_copy 
@@ -10717,9 +10736,9 @@ divMEMbyFAC: {
 }
 //SEG325 setFAC
 setFAC: {
-    .label w = $c
+    .label w = $12
   //SEG326 [158] (byte*~) prepareMEM::mem#9 ← (byte*)(word) setFAC::w#5 [ prepareMEM::mem#9 ] ( main:2::init:5::gen_sintab:59::setFAC:75 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:63::setFAC:75 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:59::setFAC:80 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:63::setFAC:80 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:59::setFAC:88 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:63::setFAC:88 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:59::setFAC:99 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:63::setFAC:99 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:59::setFAC:105 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#9 ] main:2::init:5::gen_sintab:63::setFAC:105 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#9 ] )
-    // (byte*~) prepareMEM::mem#9 = (byte*)(word) setFAC::w#5  // register copy zp ZP_WORD:12
+    // (byte*~) prepareMEM::mem#9 = (byte*)(word) setFAC::w#5  // register copy zp ZP_WORD:18
   //SEG327 [159] call prepareMEM param-assignment [ ] ( main:2::init:5::gen_sintab:59::setFAC:75 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::setFAC:75 [ gen_sintab::min#2 gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::setFAC:80 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::setFAC:80 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::setFAC:88 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::setFAC:88 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::setFAC:99 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63::setFAC:99 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:59::setFAC:105 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63::setFAC:105 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] )
   //SEG328 [139] phi from setFAC to prepareMEM [phi:setFAC->prepareMEM]
   //SEG329 [139] phi (byte*) prepareMEM::mem#5 = (byte*~) prepareMEM::mem#9 [phi:setFAC->prepareMEM#0] -- register_copy 
@@ -10735,9 +10754,9 @@ setFAC: {
 }
 //SEG334 setMEMtoFAC
 setMEMtoFAC: {
-    .label mem = $c
+    .label mem = $12
   //SEG335 [163] (byte*) prepareMEM::mem#1 ← (byte*) setMEMtoFAC::mem#5 [ prepareMEM::mem#1 ] ( main:2::init:5::gen_sintab:59::setMEMtoFAC:82 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:82 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:86 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:86 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:92 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:92 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:96 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:96 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:103 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#1 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:103 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 prepareMEM::mem#1 ] )
-    // (byte*) prepareMEM::mem#1 = (byte*) setMEMtoFAC::mem#5  // register copy zp ZP_WORD:12
+    // (byte*) prepareMEM::mem#1 = (byte*) setMEMtoFAC::mem#5  // register copy zp ZP_WORD:18
   //SEG336 [164] call prepareMEM param-assignment [ ] ( main:2::init:5::gen_sintab:59::setMEMtoFAC:82 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:82 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:86 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:86 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:92 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:92 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:96 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:96 [ gen_sintab::length#10 gen_sintab::sintab#12 progress_init::line#2 ] main:2::init:5::gen_sintab:59::setMEMtoFAC:103 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] main:2::init:5::gen_sintab:63::setMEMtoFAC:103 [ gen_sintab::length#10 gen_sintab::sintab#12 gen_sintab::i#10 progress_idx#34 progress_cursor#34 ] )
   //SEG337 [139] phi from setMEMtoFAC to prepareMEM [phi:setMEMtoFAC->prepareMEM]
   //SEG338 [139] phi (byte*) prepareMEM::mem#5 = (byte*) prepareMEM::mem#1 [phi:setMEMtoFAC->prepareMEM#0] -- register_copy 
@@ -10769,15 +10788,15 @@ setARGtoFAC: {
 }
 //SEG351 progress_init
 progress_init: {
-    .label line = $a
+    .label line = $10
   //SEG352 progress_init::@return
   //SEG353 [172] return  [ progress_init::line#2 ] ( main:2::init:5::progress_init:57 [ progress_init::line#2 ] main:2::init:5::progress_init:61 [ progress_init::line#2 ] )
     rts
 }
 //SEG354 gen_sprites
 gen_sprites: {
-    .label spr = 8
-    .label i = 2
+    .label spr = $15
+    .label i = $14
   //SEG355 [174] phi from gen_sprites to gen_sprites::@1 [phi:gen_sprites->gen_sprites::@1]
   //SEG356 [174] phi (byte*) gen_sprites::spr#2 = (const byte*) sprites#0 [phi:gen_sprites->gen_sprites::@1#0] -- pbuz1=pbuc1 
     lda #<sprites
@@ -10824,15 +10843,15 @@ gen_sprites: {
 }
 //SEG371 gen_chargen_sprite
 gen_chargen_sprite: {
-    .label _0 = $c
-    .label _1 = $c
-    .label sprite = $a
-    .label chargen = $c
-    .label bits = 4
-    .label s_gen = 7
-    .label x = 5
-    .label y = 3
-    .label c = 6
+    .label _0 = $25
+    .label _1 = $25
+    .label sprite = $1c
+    .label chargen = $25
+    .label bits = $18
+    .label s_gen = $1b
+    .label x = $19
+    .label y = $17
+    .label c = $1a
   //SEG372 [182] (word~) gen_chargen_sprite::$0 ← ((word)) (byte) gen_chargen_sprite::ch#0 [ gen_chargen_sprite::sprite#0 gen_chargen_sprite::$0 ] ( main:2::init:5::gen_sprites:55::gen_chargen_sprite:177 [ gen_sprites::i#2 gen_sprites::spr#2 gen_chargen_sprite::sprite#0 gen_chargen_sprite::$0 ] ) -- vwuz1=_word_vbuyy 
     tya
     sta _0
@@ -11004,9 +11023,9 @@ gen_chargen_sprite: {
 //SEG451 place_sprites
 place_sprites: {
     .label sprites_ptr = SCREEN+$3f8
-    .label spr_id = 2
-    .label spr_x = 3
-    .label col = 4
+    .label spr_id = $1e
+    .label spr_x = $1f
+    .label col = $20
   //SEG452 [215] *((const byte*) SPRITES_ENABLE#0) ← (byte/signed byte/word/signed word/dword/signed dword) 127 [ ] ( main:2::init:5::place_sprites:53 [ ] ) -- _deref_pbuc1=vbuc2 
     lda #$7f
     sta SPRITES_ENABLE
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/sinus-sprites.sym b/src/test/java/dk/camelot64/kickc/test/ref/sinus-sprites.sym
index 32d29cf80..c31f0c2c5 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/sinus-sprites.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/sinus-sprites.sym
@@ -31,7 +31,7 @@
 (label) addMEMtoFAC::@1
 (label) addMEMtoFAC::@return
 (byte*) addMEMtoFAC::mem
-(byte*) addMEMtoFAC::mem#2 mem zp ZP_WORD:12 2.0
+(byte*) addMEMtoFAC::mem#2 mem zp ZP_WORD:18 2.0
 (void()) anim()
 (byte~) anim::$2 reg byte a 101.0
 (byte~) anim::$3 reg byte alu 202.0
@@ -54,7 +54,7 @@
 (byte) anim::j2#1 reg byte x 67.33333333333333
 (byte) anim::j2#2 reg byte x 25.25
 (word) anim::x
-(word) anim::x#0 x zp ZP_WORD:8 75.75
+(word) anim::x#0 x zp ZP_WORD:33 75.75
 (byte) anim::x_msb
 (byte) anim::x_msb#1 x_msb zp ZP_BYTE:5 13.6
 (byte) anim::x_msb#2 x_msb zp ZP_BYTE:5 101.0
@@ -80,10 +80,10 @@
 (label) divMEMbyFAC::@1
 (label) divMEMbyFAC::@return
 (byte*) divMEMbyFAC::mem
-(byte*) divMEMbyFAC::mem#2 mem zp ZP_WORD:12 2.0
+(byte*) divMEMbyFAC::mem#2 mem zp ZP_WORD:18 2.0
 (void()) gen_chargen_sprite((byte) gen_chargen_sprite::ch , (byte*) gen_chargen_sprite::sprite)
-(word~) gen_chargen_sprite::$0 $0 zp ZP_WORD:12 4.0
-(word~) gen_chargen_sprite::$1 $1 zp ZP_WORD:12 4.0
+(word~) gen_chargen_sprite::$0 $0 zp ZP_WORD:37 4.0
+(word~) gen_chargen_sprite::$1 $1 zp ZP_WORD:37 4.0
 (byte~) gen_chargen_sprite::$3 reg byte a 2002.0
 (byte~) gen_chargen_sprite::$6 reg byte a 20002.0
 (label) gen_chargen_sprite::@1
@@ -101,41 +101,41 @@
 (byte) gen_chargen_sprite::b#1 reg byte x 15001.5
 (byte) gen_chargen_sprite::b#2 reg byte x 2000.2
 (byte) gen_chargen_sprite::bits
-(byte) gen_chargen_sprite::bits#0 bits zp ZP_BYTE:4 202.0
-(byte) gen_chargen_sprite::bits#1 bits zp ZP_BYTE:4 667.3333333333334
-(byte) gen_chargen_sprite::bits#2 bits zp ZP_BYTE:4 182.58823529411765
+(byte) gen_chargen_sprite::bits#0 bits zp ZP_BYTE:24 202.0
+(byte) gen_chargen_sprite::bits#1 bits zp ZP_BYTE:24 667.3333333333334
+(byte) gen_chargen_sprite::bits#2 bits zp ZP_BYTE:24 182.58823529411765
 (byte) gen_chargen_sprite::c
-(byte) gen_chargen_sprite::c#3 c zp ZP_BYTE:6 769.3076923076923
+(byte) gen_chargen_sprite::c#3 c zp ZP_BYTE:26 769.3076923076923
 (byte) gen_chargen_sprite::ch
 (byte) gen_chargen_sprite::ch#0 reg byte y 6.5
 (byte*) gen_chargen_sprite::chargen
-(byte*) gen_chargen_sprite::chargen#0 chargen zp ZP_WORD:12 3.678571428571429
+(byte*) gen_chargen_sprite::chargen#0 chargen zp ZP_WORD:37 3.678571428571429
 (byte) gen_chargen_sprite::s_gen
-(byte) gen_chargen_sprite::s_gen#1 s_gen zp ZP_BYTE:7 10001.0
-(byte) gen_chargen_sprite::s_gen#3 s_gen zp ZP_BYTE:7 21003.0
-(byte) gen_chargen_sprite::s_gen#5 s_gen zp ZP_BYTE:7 400.4
-(byte) gen_chargen_sprite::s_gen#6 s_gen zp ZP_BYTE:7 3500.5
+(byte) gen_chargen_sprite::s_gen#1 s_gen zp ZP_BYTE:27 10001.0
+(byte) gen_chargen_sprite::s_gen#3 s_gen zp ZP_BYTE:27 21003.0
+(byte) gen_chargen_sprite::s_gen#5 s_gen zp ZP_BYTE:27 400.4
+(byte) gen_chargen_sprite::s_gen#6 s_gen zp ZP_BYTE:27 3500.5
 (byte) gen_chargen_sprite::s_gen_cnt
 (byte) gen_chargen_sprite::s_gen_cnt#1 reg byte y 15001.5
 (byte) gen_chargen_sprite::s_gen_cnt#3 reg byte y 7001.0
 (byte) gen_chargen_sprite::s_gen_cnt#4 reg byte y 400.4
 (byte) gen_chargen_sprite::s_gen_cnt#5 reg byte y 3500.5
 (byte*) gen_chargen_sprite::sprite
-(byte*) gen_chargen_sprite::sprite#0 sprite zp ZP_WORD:10 2.1666666666666665
-(byte*) gen_chargen_sprite::sprite#1 sprite zp ZP_WORD:10 20002.0
-(byte*) gen_chargen_sprite::sprite#10 sprite zp ZP_WORD:10 420.59999999999997
-(byte*) gen_chargen_sprite::sprite#11 sprite zp ZP_WORD:10 102.0
-(byte*) gen_chargen_sprite::sprite#2 sprite zp ZP_WORD:10 67.33333333333333
-(byte*) gen_chargen_sprite::sprite#3 sprite zp ZP_WORD:10 7625.875
-(byte*) gen_chargen_sprite::sprite#4 sprite zp ZP_WORD:10 5184.166666666666
+(byte*) gen_chargen_sprite::sprite#0 sprite zp ZP_WORD:28 2.1666666666666665
+(byte*) gen_chargen_sprite::sprite#1 sprite zp ZP_WORD:28 20002.0
+(byte*) gen_chargen_sprite::sprite#10 sprite zp ZP_WORD:28 420.59999999999997
+(byte*) gen_chargen_sprite::sprite#11 sprite zp ZP_WORD:28 102.0
+(byte*) gen_chargen_sprite::sprite#2 sprite zp ZP_WORD:28 67.33333333333333
+(byte*) gen_chargen_sprite::sprite#3 sprite zp ZP_WORD:28 7625.875
+(byte*) gen_chargen_sprite::sprite#4 sprite zp ZP_WORD:28 5184.166666666666
 (byte) gen_chargen_sprite::x
-(byte) gen_chargen_sprite::x#1 x zp ZP_BYTE:5 1501.5
-(byte) gen_chargen_sprite::x#6 x zp ZP_BYTE:5 111.22222222222223
+(byte) gen_chargen_sprite::x#1 x zp ZP_BYTE:25 1501.5
+(byte) gen_chargen_sprite::x#6 x zp ZP_BYTE:25 111.22222222222223
 (byte) gen_chargen_sprite::y
-(byte) gen_chargen_sprite::y#1 y zp ZP_BYTE:3 151.5
-(byte) gen_chargen_sprite::y#2 y zp ZP_BYTE:3 13.173913043478262
+(byte) gen_chargen_sprite::y#1 y zp ZP_BYTE:23 151.5
+(byte) gen_chargen_sprite::y#2 y zp ZP_BYTE:23 13.173913043478262
 (void()) gen_sintab((byte*) gen_sintab::sintab , (byte) gen_sintab::length , (byte) gen_sintab::min , (byte) gen_sintab::max)
-(word~) gen_sintab::$23 $23 zp ZP_WORD:12 22.0
+(word~) gen_sintab::$23 $23 zp ZP_WORD:35 22.0
 (byte~) gen_sintab::$24 reg byte a 22.0
 (label) gen_sintab::@1
 (label) gen_sintab::@10
@@ -168,16 +168,16 @@
 (byte[]) gen_sintab::f_min
 (const byte[]) gen_sintab::f_min#0 f_min = { (byte/signed byte/word/signed word/dword/signed dword) 0, (byte/signed byte/word/signed word/dword/signed dword) 0, (byte/signed byte/word/signed word/dword/signed dword) 0, (byte/signed byte/word/signed word/dword/signed dword) 0, (byte/signed byte/word/signed word/dword/signed dword) 0 }
 (byte) gen_sintab::i
-(byte) gen_sintab::i#1 i zp ZP_BYTE:2 16.5
-(byte) gen_sintab::i#10 i zp ZP_BYTE:2 1.8333333333333333
+(byte) gen_sintab::i#1 i zp ZP_BYTE:14 16.5
+(byte) gen_sintab::i#10 i zp ZP_BYTE:14 1.8333333333333333
 (byte) gen_sintab::length
-(byte) gen_sintab::length#10 length zp ZP_BYTE:3 0.44
+(byte) gen_sintab::length#10 length zp ZP_BYTE:11 0.44
 (byte) gen_sintab::max
 (byte) gen_sintab::max#2 reg byte x 2.0
 (byte) gen_sintab::min
-(byte) gen_sintab::min#2 min zp ZP_BYTE:2 0.3333333333333333
+(byte) gen_sintab::min#2 min zp ZP_BYTE:10 0.3333333333333333
 (byte*) gen_sintab::sintab
-(byte*) gen_sintab::sintab#12 sintab zp ZP_WORD:8 0.22
+(byte*) gen_sintab::sintab#12 sintab zp ZP_WORD:12 0.22
 (void()) gen_sprites()
 (label) gen_sprites::@1
 (label) gen_sprites::@3
@@ -185,16 +185,16 @@
 (byte[]) gen_sprites::cml
 (const string) gen_sprites::cml#0 cml = (string) "camelot"
 (byte) gen_sprites::i
-(byte) gen_sprites::i#1 i zp ZP_BYTE:2 16.5
-(byte) gen_sprites::i#2 i zp ZP_BYTE:2 6.6000000000000005
+(byte) gen_sprites::i#1 i zp ZP_BYTE:20 16.5
+(byte) gen_sprites::i#2 i zp ZP_BYTE:20 6.6000000000000005
 (byte*) gen_sprites::spr
-(byte*) gen_sprites::spr#1 spr zp ZP_WORD:8 7.333333333333333
-(byte*) gen_sprites::spr#2 spr zp ZP_WORD:8 8.25
+(byte*) gen_sprites::spr#1 spr zp ZP_WORD:21 7.333333333333333
+(byte*) gen_sprites::spr#2 spr zp ZP_WORD:21 8.25
 (word()) getFAC()
 (label) getFAC::@return
 (word) getFAC::return
-(word) getFAC::return#0 return zp ZP_WORD:12 4.333333333333333
-(word) getFAC::return#2 return zp ZP_WORD:12 22.0
+(word) getFAC::return#0 return zp ZP_WORD:35 4.333333333333333
+(word) getFAC::return#2 return zp ZP_WORD:35 22.0
 (word) getFAC::w
 (void()) init()
 (label) init::@1
@@ -222,13 +222,13 @@
 (label) mulFACbyMEM::@1
 (label) mulFACbyMEM::@return
 (byte*) mulFACbyMEM::mem
-(byte*) mulFACbyMEM::mem#2 mem zp ZP_WORD:12 2.0
+(byte*) mulFACbyMEM::mem#2 mem zp ZP_WORD:18 2.0
 (void()) place_sprites()
 (label) place_sprites::@1
 (label) place_sprites::@return
 (byte) place_sprites::col
-(byte) place_sprites::col#1 col zp ZP_BYTE:4 4.4
-(byte) place_sprites::col#2 col zp ZP_BYTE:4 4.714285714285714
+(byte) place_sprites::col#1 col zp ZP_BYTE:32 4.4
+(byte) place_sprites::col#2 col zp ZP_BYTE:32 4.714285714285714
 (byte) place_sprites::j
 (byte) place_sprites::j#1 reg byte y 16.5
 (byte) place_sprites::j#2 reg byte y 4.4
@@ -237,11 +237,11 @@
 (byte) place_sprites::j2#2 reg byte x 7.333333333333333
 (byte) place_sprites::j2#3 reg byte x 5.5
 (byte) place_sprites::spr_id
-(byte) place_sprites::spr_id#1 spr_id zp ZP_BYTE:2 2.2
-(byte) place_sprites::spr_id#2 spr_id zp ZP_BYTE:2 16.5
+(byte) place_sprites::spr_id#1 spr_id zp ZP_BYTE:30 2.2
+(byte) place_sprites::spr_id#2 spr_id zp ZP_BYTE:30 16.5
 (byte) place_sprites::spr_x
-(byte) place_sprites::spr_x#1 spr_x zp ZP_BYTE:3 3.6666666666666665
-(byte) place_sprites::spr_x#2 spr_x zp ZP_BYTE:3 5.5
+(byte) place_sprites::spr_x#1 spr_x zp ZP_BYTE:31 3.6666666666666665
+(byte) place_sprites::spr_x#2 spr_x zp ZP_BYTE:31 5.5
 (byte*) place_sprites::sprites_ptr
 (const byte*) place_sprites::sprites_ptr#0 sprites_ptr = (const byte*) SCREEN#0+(word/signed word/dword/signed dword) 1016
 (void()) prepareMEM((byte*) prepareMEM::mem)
@@ -249,20 +249,20 @@
 (byte~) prepareMEM::$1 reg byte a 4.0
 (label) prepareMEM::@return
 (byte*) prepareMEM::mem
-(byte*) prepareMEM::mem#1 mem zp ZP_WORD:12 4.0
-(byte*) prepareMEM::mem#2 mem zp ZP_WORD:12 4.0
-(byte*) prepareMEM::mem#3 mem zp ZP_WORD:12 4.0
-(byte*) prepareMEM::mem#4 mem zp ZP_WORD:12 4.0
-(byte*) prepareMEM::mem#5 mem zp ZP_WORD:12 4.666666666666666
-(byte*~) prepareMEM::mem#9 mem zp ZP_WORD:12 4.0
+(byte*) prepareMEM::mem#1 mem zp ZP_WORD:18 4.0
+(byte*) prepareMEM::mem#2 mem zp ZP_WORD:18 4.0
+(byte*) prepareMEM::mem#3 mem zp ZP_WORD:18 4.0
+(byte*) prepareMEM::mem#4 mem zp ZP_WORD:18 4.0
+(byte*) prepareMEM::mem#5 mem zp ZP_WORD:18 4.666666666666666
+(byte*~) prepareMEM::mem#9 mem zp ZP_WORD:18 4.0
 (byte*) progress_cursor
-(byte*) progress_cursor#10 progress_cursor zp ZP_WORD:10 4.0
-(byte*) progress_cursor#11 progress_cursor zp ZP_WORD:10 2.8333333333333335
-(byte*) progress_cursor#34 progress_cursor zp ZP_WORD:10 0.7307692307692306
+(byte*) progress_cursor#10 progress_cursor zp ZP_WORD:16 4.0
+(byte*) progress_cursor#11 progress_cursor zp ZP_WORD:16 2.8333333333333335
+(byte*) progress_cursor#34 progress_cursor zp ZP_WORD:16 0.7307692307692306
 (byte) progress_idx
-(byte) progress_idx#10 progress_idx zp ZP_BYTE:4 3.0
-(byte) progress_idx#12 progress_idx zp ZP_BYTE:4 2.5
-(byte) progress_idx#34 progress_idx zp ZP_BYTE:4 0.5652173913043479
+(byte) progress_idx#10 progress_idx zp ZP_BYTE:15 3.0
+(byte) progress_idx#12 progress_idx zp ZP_BYTE:15 2.5
+(byte) progress_idx#34 progress_idx zp ZP_BYTE:15 0.5652173913043479
 (void()) progress_inc()
 (label) progress_inc::@1
 (label) progress_inc::@2
@@ -272,23 +272,23 @@
 (void()) progress_init((byte*) progress_init::line)
 (label) progress_init::@return
 (byte*) progress_init::line
-(byte*) progress_init::line#2 line zp ZP_WORD:10 0.06666666666666667
+(byte*) progress_init::line#2 line zp ZP_WORD:16 0.06666666666666667
 (void()) setARGtoFAC()
 (label) setARGtoFAC::@return
 (void()) setFAC((word) setFAC::w)
 (label) setFAC::@1
 (label) setFAC::@return
 (word) setFAC::w
-(word) setFAC::w#0 w zp ZP_WORD:12 4.0
-(word) setFAC::w#1 w zp ZP_WORD:12 4.0
-(word) setFAC::w#3 w zp ZP_WORD:12 22.0
-(word) setFAC::w#4 w zp ZP_WORD:12 22.0
-(word) setFAC::w#5 w zp ZP_WORD:12 26.0
+(word) setFAC::w#0 w zp ZP_WORD:18 4.0
+(word) setFAC::w#1 w zp ZP_WORD:18 4.0
+(word) setFAC::w#3 w zp ZP_WORD:18 22.0
+(word) setFAC::w#4 w zp ZP_WORD:18 22.0
+(word) setFAC::w#5 w zp ZP_WORD:18 26.0
 (void()) setMEMtoFAC((byte*) setMEMtoFAC::mem)
 (label) setMEMtoFAC::@1
 (label) setMEMtoFAC::@return
 (byte*) setMEMtoFAC::mem
-(byte*) setMEMtoFAC::mem#5 mem zp ZP_WORD:12 2.0
+(byte*) setMEMtoFAC::mem#5 mem zp ZP_WORD:18 2.0
 (void()) sinFAC()
 (label) sinFAC::@return
 (byte) sin_idx_x
@@ -312,29 +312,48 @@
 (void()) subFACfromARG()
 (label) subFACfromARG::@return
 
-zp ZP_BYTE:2 [ sin_idx_x#13 sin_idx_x#11 sin_idx_x#3 gen_sintab::min#2 gen_sintab::i#10 gen_sintab::i#1 gen_sprites::i#2 gen_sprites::i#1 place_sprites::spr_id#2 place_sprites::spr_id#1 ]
-zp ZP_BYTE:3 [ sin_idx_y#13 sin_idx_y#11 sin_idx_y#3 gen_sintab::length#10 gen_chargen_sprite::y#2 gen_chargen_sprite::y#1 place_sprites::spr_x#2 place_sprites::spr_x#1 ]
-zp ZP_BYTE:4 [ anim::xidx#3 anim::xidx#0 anim::xidx#5 anim::xidx#1 anim::xidx#2 progress_idx#34 progress_idx#12 progress_idx#10 gen_chargen_sprite::bits#2 gen_chargen_sprite::bits#0 gen_chargen_sprite::bits#1 place_sprites::col#2 place_sprites::col#1 ]
-zp ZP_BYTE:5 [ anim::x_msb#2 anim::x_msb#1 gen_chargen_sprite::x#6 gen_chargen_sprite::x#1 ]
+zp ZP_BYTE:2 [ sin_idx_x#13 sin_idx_x#11 sin_idx_x#3 ]
+zp ZP_BYTE:3 [ sin_idx_y#13 sin_idx_y#11 sin_idx_y#3 ]
+zp ZP_BYTE:4 [ anim::xidx#3 anim::xidx#0 anim::xidx#5 anim::xidx#1 anim::xidx#2 ]
+zp ZP_BYTE:5 [ anim::x_msb#2 anim::x_msb#1 ]
 reg byte x [ anim::j2#2 anim::j2#1 ]
-zp ZP_BYTE:6 [ anim::yidx#3 anim::yidx#0 anim::yidx#6 anim::yidx#1 anim::yidx#2 gen_chargen_sprite::c#3 ]
-zp ZP_BYTE:7 [ anim::j#2 anim::j#1 gen_chargen_sprite::s_gen#3 gen_chargen_sprite::s_gen#5 gen_chargen_sprite::s_gen#6 gen_chargen_sprite::s_gen#1 ]
+zp ZP_BYTE:6 [ anim::yidx#3 anim::yidx#0 anim::yidx#6 anim::yidx#1 anim::yidx#2 ]
+zp ZP_BYTE:7 [ anim::j#2 anim::j#1 ]
 reg byte x [ init::i#2 init::i#1 ]
-zp ZP_WORD:8 [ clear_screen::sc#2 clear_screen::sc#1 gen_sintab::sintab#12 gen_sprites::spr#2 gen_sprites::spr#1 anim::x#0 ]
+zp ZP_WORD:8 [ clear_screen::sc#2 clear_screen::sc#1 ]
 reg byte x [ gen_sintab::max#2 ]
-zp ZP_WORD:10 [ progress_cursor#34 progress_init::line#2 progress_cursor#11 progress_cursor#10 gen_chargen_sprite::sprite#3 gen_chargen_sprite::sprite#10 gen_chargen_sprite::sprite#11 gen_chargen_sprite::sprite#0 gen_chargen_sprite::sprite#2 gen_chargen_sprite::sprite#4 gen_chargen_sprite::sprite#1 ]
-zp ZP_WORD:12 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 divMEMbyFAC::mem#2 setFAC::w#5 setFAC::w#0 setFAC::w#3 setFAC::w#4 setFAC::w#1 setMEMtoFAC::mem#5 getFAC::return#2 gen_sintab::$23 getFAC::return#0 gen_chargen_sprite::$0 gen_chargen_sprite::$1 gen_chargen_sprite::chargen#0 ]
+zp ZP_BYTE:10 [ gen_sintab::min#2 ]
+zp ZP_BYTE:11 [ gen_sintab::length#10 ]
+zp ZP_WORD:12 [ gen_sintab::sintab#12 ]
+zp ZP_BYTE:14 [ gen_sintab::i#10 gen_sintab::i#1 ]
+zp ZP_BYTE:15 [ progress_idx#34 progress_idx#12 progress_idx#10 ]
+zp ZP_WORD:16 [ progress_cursor#34 progress_init::line#2 progress_cursor#11 progress_cursor#10 ]
+zp ZP_WORD:18 [ addMEMtoFAC::mem#2 prepareMEM::mem#5 prepareMEM::mem#2 prepareMEM::mem#3 prepareMEM::mem#4 prepareMEM::mem#9 prepareMEM::mem#1 mulFACbyMEM::mem#2 divMEMbyFAC::mem#2 setFAC::w#5 setFAC::w#0 setFAC::w#3 setFAC::w#4 setFAC::w#1 setMEMtoFAC::mem#5 ]
+zp ZP_BYTE:20 [ gen_sprites::i#2 gen_sprites::i#1 ]
+zp ZP_WORD:21 [ gen_sprites::spr#2 gen_sprites::spr#1 ]
+zp ZP_BYTE:23 [ gen_chargen_sprite::y#2 gen_chargen_sprite::y#1 ]
+zp ZP_BYTE:24 [ gen_chargen_sprite::bits#2 gen_chargen_sprite::bits#0 gen_chargen_sprite::bits#1 ]
+zp ZP_BYTE:25 [ gen_chargen_sprite::x#6 gen_chargen_sprite::x#1 ]
+zp ZP_BYTE:26 [ gen_chargen_sprite::c#3 ]
+zp ZP_BYTE:27 [ gen_chargen_sprite::s_gen#3 gen_chargen_sprite::s_gen#5 gen_chargen_sprite::s_gen#6 gen_chargen_sprite::s_gen#1 ]
 reg byte y [ gen_chargen_sprite::s_gen_cnt#3 gen_chargen_sprite::s_gen_cnt#4 gen_chargen_sprite::s_gen_cnt#5 gen_chargen_sprite::s_gen_cnt#1 ]
 reg byte x [ gen_chargen_sprite::b#2 gen_chargen_sprite::b#1 ]
+zp ZP_WORD:28 [ gen_chargen_sprite::sprite#3 gen_chargen_sprite::sprite#10 gen_chargen_sprite::sprite#11 gen_chargen_sprite::sprite#0 gen_chargen_sprite::sprite#2 gen_chargen_sprite::sprite#4 gen_chargen_sprite::sprite#1 ]
+zp ZP_BYTE:30 [ place_sprites::spr_id#2 place_sprites::spr_id#1 ]
 reg byte y [ place_sprites::j#2 place_sprites::j#1 ]
+zp ZP_BYTE:31 [ place_sprites::spr_x#2 place_sprites::spr_x#1 ]
 reg byte x [ place_sprites::j2#3 place_sprites::j2#2 ]
+zp ZP_BYTE:32 [ place_sprites::col#2 place_sprites::col#1 ]
+zp ZP_WORD:33 [ anim::x#0 ]
 reg byte a [ anim::$2 ]
 reg byte alu [ anim::$3 ]
 reg byte a [ anim::$5 ]
+zp ZP_WORD:35 [ getFAC::return#2 gen_sintab::$23 getFAC::return#0 ]
 reg byte a [ gen_sintab::$24 ]
 reg byte a [ prepareMEM::$0 ]
 reg byte a [ prepareMEM::$1 ]
 reg byte y [ gen_chargen_sprite::ch#0 ]
+zp ZP_WORD:37 [ gen_chargen_sprite::$0 gen_chargen_sprite::$1 gen_chargen_sprite::chargen#0 ]
 reg byte a [ gen_chargen_sprite::$3 ]
 reg byte a [ gen_chargen_sprite::$6 ]
 reg byte x [ place_sprites::j2#1 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/test-comparisons.asm b/src/test/java/dk/camelot64/kickc/test/ref/test-comparisons.asm
index eaad5b82c..bba1c5e78 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/test-comparisons.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/test-comparisons.asm
@@ -5,7 +5,7 @@
   .label line_cursor = 4
   jsr main
 main: {
-    .label b = $c
+    .label b = $e
     .label a = 2
     .label i = 3
     jsr print_cls
@@ -485,7 +485,7 @@ print_str: {
     jmp b1
 }
 print_cls: {
-    .label sc = 4
+    .label sc = $c
     lda #<$400
     sta sc
     lda #>$400
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/test-comparisons.log b/src/test/java/dk/camelot64/kickc/test/ref/test-comparisons.log
index 04e98acdd..447575ff7 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/test-comparisons.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/test-comparisons.log
@@ -8850,14 +8850,14 @@ Uplifting [main] best 20013 combination reg byte x [ main::r#59 ]
 Attempting to uplift remaining variables inzp ZP_BYTE:39 [ main::b#0 ]
 Uplifting [main] best 20013 combination zp ZP_BYTE:39 [ main::b#0 ] 
 Coalescing zero page register [ zp ZP_BYTE:2 [ main::a#10 main::a#1 ] ] with [ zp ZP_BYTE:26 [ printu::a#20 printu::a#8 printu::a#9 printu::a#10 printu::a#11 printu::a#12 printu::a#13 printu::a#14 printu::a#15 printu::a#16 printu::a#17 printu::a#0 printu::a#18 printu::a#19 printu::a#1 printu::a#2 printu::a#3 printu::a#4 printu::a#5 printu::a#6 printu::a#7 ] ]
-Coalescing zero page register [ zp ZP_WORD:24 [ line_cursor#10 line_cursor#20 line_cursor#21 line_cursor#1 ] ] with [ zp ZP_WORD:37 [ print_cls::sc#2 print_cls::sc#1 ] ]
 Coalescing zero page register [ zp ZP_WORD:27 [ printu::op#20 ] ] with [ zp ZP_WORD:35 [ print_str::str#2 print_str::str#1 print_str::str#0 ] ]
-Allocated (was zp ZP_WORD:24) zp ZP_WORD:4 [ line_cursor#10 line_cursor#20 line_cursor#21 line_cursor#1 print_cls::sc#2 print_cls::sc#1 ]
+Allocated (was zp ZP_WORD:24) zp ZP_WORD:4 [ line_cursor#10 line_cursor#20 line_cursor#21 line_cursor#1 ]
 Allocated (was zp ZP_WORD:27) zp ZP_WORD:6 [ printu::op#20 print_str::str#2 print_str::str#1 print_str::str#0 ]
 Allocated (was zp ZP_BYTE:29) zp ZP_BYTE:8 [ printu::b#20 printu::b#8 printu::b#10 printu::b#11 printu::b#12 printu::b#14 printu::b#15 printu::b#16 printu::b#0 printu::b#18 printu::b#19 printu::b#2 printu::b#3 printu::b#4 printu::b#6 printu::b#7 ]
 Allocated (was zp ZP_WORD:32) zp ZP_WORD:9 [ char_cursor#51 char_cursor#89 char_cursor#90 char_cursor#138 char_cursor#52 char_cursor#142 char_cursor#146 char_cursor#114 char_cursor#137 char_cursor#154 char_cursor#2 char_cursor#1 ]
 Allocated (was zp ZP_BYTE:34) zp ZP_BYTE:11 [ print_byte::b#2 print_byte::b#0 print_byte::b#1 ]
-Allocated (was zp ZP_BYTE:39) zp ZP_BYTE:12 [ main::b#0 ]
+Allocated (was zp ZP_WORD:37) zp ZP_WORD:12 [ print_cls::sc#2 print_cls::sc#1 ]
+Allocated (was zp ZP_BYTE:39) zp ZP_BYTE:14 [ main::b#0 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -8885,7 +8885,7 @@ bend_from_b10:
 bend:
 //SEG9 main
 main: {
-    .label b = $c
+    .label b = $e
     .label a = 2
     .label i = 3
   //SEG10 [5] call print_cls param-assignment [ ] ( main:2 [ ] )
@@ -10136,7 +10136,7 @@ print_str: {
 }
 //SEG513 print_cls
 print_cls: {
-    .label sc = 4
+    .label sc = $c
   //SEG514 [201] phi from print_cls to print_cls::@1 [phi:print_cls->print_cls::@1]
   b1_from_print_cls:
   //SEG515 [201] phi (byte*) print_cls::sc#2 = ((byte*))(word/signed word/dword/signed dword) 1024 [phi:print_cls->print_cls::@1#0] -- pbuz1=pbuc1 
@@ -10544,7 +10544,7 @@ FINAL SYMBOL TABLE
 (byte) main::a#1 a zp ZP_BYTE:2 5.5
 (byte) main::a#10 a zp ZP_BYTE:2 3.860927152317884
 (byte) main::b
-(byte) main::b#0 b zp ZP_BYTE:12 0.9758064516129035
+(byte) main::b#0 b zp ZP_BYTE:14 0.9758064516129035
 (byte[5]) main::cs
 (const byte[5]) main::cs#0 cs = { (byte/signed byte/word/signed word/dword/signed dword) 7, (byte/word/signed word/dword/signed dword) 199, (byte/signed byte/word/signed word/dword/signed dword) 55, (byte/word/signed word/dword/signed dword) 151, (byte/signed byte/word/signed word/dword/signed dword) 103 }
 (byte) main::i
@@ -10613,8 +10613,8 @@ FINAL SYMBOL TABLE
 (label) print_cls::@1
 (label) print_cls::@return
 (byte*) print_cls::sc
-(byte*) print_cls::sc#1 sc zp ZP_WORD:4 16.5
-(byte*) print_cls::sc#2 sc zp ZP_WORD:4 16.5
+(byte*) print_cls::sc#1 sc zp ZP_WORD:12 16.5
+(byte*) print_cls::sc#2 sc zp ZP_WORD:12 16.5
 (void()) print_ln()
 (label) print_ln::@1
 (label) print_ln::@return
@@ -10719,14 +10719,15 @@ reg byte x [ main::r#56 ]
 reg byte x [ main::r#57 ]
 reg byte x [ main::r#58 ]
 reg byte x [ main::r#59 ]
-zp ZP_WORD:4 [ line_cursor#10 line_cursor#20 line_cursor#21 line_cursor#1 print_cls::sc#2 print_cls::sc#1 ]
+zp ZP_WORD:4 [ line_cursor#10 line_cursor#20 line_cursor#21 line_cursor#1 ]
 zp ZP_WORD:6 [ printu::op#20 print_str::str#2 print_str::str#1 print_str::str#0 ]
 zp ZP_BYTE:8 [ printu::b#20 printu::b#8 printu::b#10 printu::b#11 printu::b#12 printu::b#14 printu::b#15 printu::b#16 printu::b#0 printu::b#18 printu::b#19 printu::b#2 printu::b#3 printu::b#4 printu::b#6 printu::b#7 ]
 reg byte x [ printu::res#20 printu::res#8 printu::res#9 printu::res#10 printu::res#11 printu::res#12 printu::res#13 printu::res#14 printu::res#15 printu::res#16 printu::res#17 printu::res#0 printu::res#18 printu::res#19 printu::res#1 printu::res#2 printu::res#3 printu::res#4 printu::res#5 printu::res#6 printu::res#7 ]
 reg byte a [ print_char::ch#5 print_char::ch#0 print_char::ch#1 print_char::ch#4 ]
 zp ZP_WORD:9 [ char_cursor#51 char_cursor#89 char_cursor#90 char_cursor#138 char_cursor#52 char_cursor#142 char_cursor#146 char_cursor#114 char_cursor#137 char_cursor#154 char_cursor#2 char_cursor#1 ]
 zp ZP_BYTE:11 [ print_byte::b#2 print_byte::b#0 print_byte::b#1 ]
-zp ZP_BYTE:12 [ main::b#0 ]
+zp ZP_WORD:12 [ print_cls::sc#2 print_cls::sc#1 ]
+zp ZP_BYTE:14 [ main::b#0 ]
 reg byte a [ print_byte::$0 ]
 reg byte a [ print_byte::$2 ]
 
@@ -10751,7 +10752,7 @@ Score: 15772
 //SEG8 @end
 //SEG9 main
 main: {
-    .label b = $c
+    .label b = $e
     .label a = 2
     .label i = 3
   //SEG10 [5] call print_cls param-assignment [ ] ( main:2 [ ] )
@@ -11776,7 +11777,7 @@ print_str: {
 }
 //SEG513 print_cls
 print_cls: {
-    .label sc = 4
+    .label sc = $c
   //SEG514 [201] phi from print_cls to print_cls::@1 [phi:print_cls->print_cls::@1]
   //SEG515 [201] phi (byte*) print_cls::sc#2 = ((byte*))(word/signed word/dword/signed dword) 1024 [phi:print_cls->print_cls::@1#0] -- pbuz1=pbuc1 
     lda #<$400
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/test-comparisons.sym b/src/test/java/dk/camelot64/kickc/test/ref/test-comparisons.sym
index a8900680e..fb040efee 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/test-comparisons.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/test-comparisons.sym
@@ -93,7 +93,7 @@
 (byte) main::a#1 a zp ZP_BYTE:2 5.5
 (byte) main::a#10 a zp ZP_BYTE:2 3.860927152317884
 (byte) main::b
-(byte) main::b#0 b zp ZP_BYTE:12 0.9758064516129035
+(byte) main::b#0 b zp ZP_BYTE:14 0.9758064516129035
 (byte[5]) main::cs
 (const byte[5]) main::cs#0 cs = { (byte/signed byte/word/signed word/dword/signed dword) 7, (byte/word/signed word/dword/signed dword) 199, (byte/signed byte/word/signed word/dword/signed dword) 55, (byte/word/signed word/dword/signed dword) 151, (byte/signed byte/word/signed word/dword/signed dword) 103 }
 (byte) main::i
@@ -162,8 +162,8 @@
 (label) print_cls::@1
 (label) print_cls::@return
 (byte*) print_cls::sc
-(byte*) print_cls::sc#1 sc zp ZP_WORD:4 16.5
-(byte*) print_cls::sc#2 sc zp ZP_WORD:4 16.5
+(byte*) print_cls::sc#1 sc zp ZP_WORD:12 16.5
+(byte*) print_cls::sc#2 sc zp ZP_WORD:12 16.5
 (void()) print_ln()
 (label) print_ln::@1
 (label) print_ln::@return
@@ -268,13 +268,14 @@ reg byte x [ main::r#56 ]
 reg byte x [ main::r#57 ]
 reg byte x [ main::r#58 ]
 reg byte x [ main::r#59 ]
-zp ZP_WORD:4 [ line_cursor#10 line_cursor#20 line_cursor#21 line_cursor#1 print_cls::sc#2 print_cls::sc#1 ]
+zp ZP_WORD:4 [ line_cursor#10 line_cursor#20 line_cursor#21 line_cursor#1 ]
 zp ZP_WORD:6 [ printu::op#20 print_str::str#2 print_str::str#1 print_str::str#0 ]
 zp ZP_BYTE:8 [ printu::b#20 printu::b#8 printu::b#10 printu::b#11 printu::b#12 printu::b#14 printu::b#15 printu::b#16 printu::b#0 printu::b#18 printu::b#19 printu::b#2 printu::b#3 printu::b#4 printu::b#6 printu::b#7 ]
 reg byte x [ printu::res#20 printu::res#8 printu::res#9 printu::res#10 printu::res#11 printu::res#12 printu::res#13 printu::res#14 printu::res#15 printu::res#16 printu::res#17 printu::res#0 printu::res#18 printu::res#19 printu::res#1 printu::res#2 printu::res#3 printu::res#4 printu::res#5 printu::res#6 printu::res#7 ]
 reg byte a [ print_char::ch#5 print_char::ch#0 print_char::ch#1 print_char::ch#4 ]
 zp ZP_WORD:9 [ char_cursor#51 char_cursor#89 char_cursor#90 char_cursor#138 char_cursor#52 char_cursor#142 char_cursor#146 char_cursor#114 char_cursor#137 char_cursor#154 char_cursor#2 char_cursor#1 ]
 zp ZP_BYTE:11 [ print_byte::b#2 print_byte::b#0 print_byte::b#1 ]
-zp ZP_BYTE:12 [ main::b#0 ]
+zp ZP_WORD:12 [ print_cls::sc#2 print_cls::sc#1 ]
+zp ZP_BYTE:14 [ main::b#0 ]
 reg byte a [ print_byte::$0 ]
 reg byte a [ print_byte::$2 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/test-multiply.asm b/src/test/java/dk/camelot64/kickc/test/ref/test-multiply.asm
index 0e669c616..f9fb89ce7 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/test-multiply.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/test-multiply.asm
@@ -2,7 +2,7 @@
 :BasicUpstart(main)
 .pc = $80d "Program"
   .label BGCOL = $d021
-  .label char_cursor = 8
+  .label char_cursor = $a
   .label line_cursor = 4
   jsr main
 main: {
@@ -18,7 +18,7 @@ main: {
 }
 signed_multiply_results_compare: {
     .label ms = 8
-    .label ma = 6
+    .label ma = $c
     .label b = 3
     .label a = 2
     lda #-$80
@@ -29,10 +29,6 @@ signed_multiply_results_compare: {
   b2:
     ldx b
     jsr slow_signed_multiply
-    lda slow_signed_multiply.return
-    sta ms
-    lda slow_signed_multiply.return+1
-    sta ms+1
     ldy a
     jsr signed_multiply
     lda ms
@@ -45,16 +41,6 @@ signed_multiply_results_compare: {
     lda #2
     sta BGCOL
     ldx a
-    lda b
-    sta signed_multiply_error.b
-    lda ms
-    sta signed_multiply_error.ms
-    lda ms+1
-    sta signed_multiply_error.ms+1
-    lda ma
-    sta signed_multiply_error.ma
-    lda ma+1
-    sta signed_multiply_error.ma+1
     jsr signed_multiply_error
   breturn:
     rts
@@ -122,8 +108,8 @@ print_str: {
     jmp b1
 }
 signed_multiply_error: {
-    .label b = 2
-    .label ms = $a
+    .label b = 3
+    .label ms = 8
     .label ma = $c
     lda line_cursor
     sta char_cursor
@@ -147,10 +133,6 @@ signed_multiply_error: {
     lda #>str2
     sta print_str.str+1
     jsr print_str
-    lda ms
-    sta print_sword.w
-    lda ms+1
-    sta print_sword.w+1
     jsr print_sword
     lda #<str3
     sta print_str.str
@@ -170,7 +152,7 @@ signed_multiply_error: {
     str3: .text " / fast asm:@"
 }
 print_sword: {
-    .label w = 6
+    .label w = 8
     lda w+1
     bpl b1
     lda #'-'
@@ -189,7 +171,7 @@ print_sword: {
     rts
 }
 print_word: {
-    .label w = 6
+    .label w = 8
     lda w+1
     tax
     jsr print_byte
@@ -239,9 +221,9 @@ print_sbyte: {
     rts
 }
 signed_multiply: {
-    .label m = 6
+    .label m = $c
     .label b = 3
-    .label return = 6
+    .label return = $c
     tya
     ldx b
     jsr multiply
@@ -266,7 +248,7 @@ signed_multiply: {
 multiply: {
     .label memA = $fe
     .label memB = $ff
-    .label return = 6
+    .label return = $c
     sta memA
     stx memB
     sta sm1+1
@@ -292,8 +274,8 @@ multiply: {
     rts
 }
 slow_signed_multiply: {
-    .label m = 6
-    .label return = 6
+    .label m = 8
+    .label return = 8
     .label a = 2
     lda a
     cmp #0
@@ -356,10 +338,10 @@ slow_signed_multiply: {
     jmp b3
 }
 multiply_results_compare: {
-    .label ms = $a
-    .label ma = 6
-    .label b = 3
-    .label a = 2
+    .label ms = 8
+    .label ma = $c
+    .label b = $f
+    .label a = $e
     lda #0
     sta a
   b1:
@@ -368,10 +350,6 @@ multiply_results_compare: {
   b2:
     ldx b
     jsr slow_multiply
-    lda slow_multiply.return
-    sta ms
-    lda slow_multiply.return+1
-    sta ms+1
     lda a
     ldx b
     jsr multiply
@@ -385,12 +363,6 @@ multiply_results_compare: {
     lda #2
     sta BGCOL
     ldx a
-    lda b
-    sta multiply_error.b
-    lda ma
-    sta multiply_error.ma
-    lda ma+1
-    sta multiply_error.ma+1
     jsr multiply_error
   breturn:
     rts
@@ -411,8 +383,8 @@ multiply_results_compare: {
     str: .text "multiply results match!@"
 }
 multiply_error: {
-    .label b = 2
-    .label ms = $a
+    .label b = $f
+    .label ms = 8
     .label ma = $c
     lda #<str
     sta print_str.str
@@ -432,10 +404,6 @@ multiply_error: {
     lda #>str2
     sta print_str.str+1
     jsr print_str
-    lda ms
-    sta print_word.w
-    lda ms+1
-    sta print_word.w+1
     jsr print_word
     lda #<str3
     sta print_str.str
@@ -455,9 +423,9 @@ multiply_error: {
     str3: .text " / fast asm:@"
 }
 slow_multiply: {
-    .label return = 6
-    .label m = 6
-    .label a = 2
+    .label return = 8
+    .label m = 8
+    .label a = $e
     lda a
     beq b3
     ldy #0
@@ -484,8 +452,8 @@ slow_multiply: {
     rts
 }
 multiply_tables_compare: {
-    .label asm_sqr = $a
-    .label kc_sqr = 4
+    .label asm_sqr = 8
+    .label kc_sqr = $10
     lda #<asm_mul_sqr1_lo
     sta asm_sqr
     lda #>asm_mul_sqr1_lo
@@ -510,10 +478,6 @@ multiply_tables_compare: {
     lda #>str
     sta print_str.str+1
     jsr print_str
-    lda asm_sqr
-    sta print_word.w
-    lda asm_sqr+1
-    sta print_word.w+1
     jsr print_word
     lda #<str1
     sta print_str.str
@@ -622,13 +586,13 @@ init_multiply_asm: {
     rts
 }
 init_multiply: {
-    .label sqr1_hi = 6
-    .label sqr = 8
-    .label sqr1_lo = 4
-    .label x_2 = 2
-    .label sqr2_hi = 6
-    .label sqr2_lo = 4
-    .label dir = 2
+    .label sqr1_hi = $14
+    .label sqr = $17
+    .label sqr1_lo = $12
+    .label x_2 = $16
+    .label sqr2_hi = $1b
+    .label sqr2_lo = $19
+    .label dir = $1d
     lda #0
     sta x_2
     lda #<mul_sqr1_hi+1
@@ -728,7 +692,7 @@ init_multiply: {
     rts
 }
 print_cls: {
-    .label sc = 4
+    .label sc = $1e
     lda #<$400
     sta sc
     lda #>$400
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/test-multiply.log b/src/test/java/dk/camelot64/kickc/test/ref/test-multiply.log
index 7265fbc19..20b06c1c7 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/test-multiply.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/test-multiply.log
@@ -8371,43 +8371,42 @@ Attempting to uplift remaining variables inzp ZP_BYTE:63 [ signed_multiply_error
 Uplifting [signed_multiply_error] best 202850 combination zp ZP_BYTE:63 [ signed_multiply_error::b#0 ] 
 Attempting to uplift remaining variables inzp ZP_BYTE:89 [ multiply_error::b#0 ]
 Uplifting [multiply_error] best 202850 combination zp ZP_BYTE:89 [ multiply_error::b#0 ] 
-Coalescing zero page register [ zp ZP_BYTE:2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::a#1 ] ] with [ zp ZP_BYTE:25 [ multiply_results_compare::a#6 multiply_results_compare::a#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::a#1 multiply_results_compare::a#6 multiply_results_compare::a#1 ] ] with [ zp ZP_BYTE:39 [ init_multiply::x_2#3 init_multiply::x_2#2 init_multiply::x_2#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::a#1 multiply_results_compare::a#6 multiply_results_compare::a#1 init_multiply::x_2#3 init_multiply::x_2#2 init_multiply::x_2#1 ] ] with [ zp ZP_BYTE:47 [ init_multiply::dir#2 init_multiply::dir#3 ] ]
-Coalescing zero page register [ zp ZP_BYTE:2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::a#1 multiply_results_compare::a#6 multiply_results_compare::a#1 init_multiply::x_2#3 init_multiply::x_2#2 init_multiply::x_2#1 init_multiply::dir#2 init_multiply::dir#3 ] ] with [ zp ZP_BYTE:50 [ slow_signed_multiply::a#0 ] ]
-Coalescing zero page register [ zp ZP_BYTE:2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::a#1 multiply_results_compare::a#6 multiply_results_compare::a#1 init_multiply::x_2#3 init_multiply::x_2#2 init_multiply::x_2#1 init_multiply::dir#2 init_multiply::dir#3 slow_signed_multiply::a#0 ] ] with [ zp ZP_BYTE:63 [ signed_multiply_error::b#0 ] ]
-Coalescing zero page register [ zp ZP_BYTE:2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::a#1 multiply_results_compare::a#6 multiply_results_compare::a#1 init_multiply::x_2#3 init_multiply::x_2#2 init_multiply::x_2#1 init_multiply::dir#2 init_multiply::dir#3 slow_signed_multiply::a#0 signed_multiply_error::b#0 ] ] with [ zp ZP_BYTE:78 [ slow_multiply::a#0 ] ]
-Coalescing zero page register [ zp ZP_BYTE:2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::a#1 multiply_results_compare::a#6 multiply_results_compare::a#1 init_multiply::x_2#3 init_multiply::x_2#2 init_multiply::x_2#1 init_multiply::dir#2 init_multiply::dir#3 slow_signed_multiply::a#0 signed_multiply_error::b#0 slow_multiply::a#0 ] ] with [ zp ZP_BYTE:89 [ multiply_error::b#0 ] ]
-Coalescing zero page register [ zp ZP_BYTE:3 [ signed_multiply_results_compare::b#2 signed_multiply_results_compare::b#1 ] ] with [ zp ZP_BYTE:26 [ multiply_results_compare::b#2 multiply_results_compare::b#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:3 [ signed_multiply_results_compare::b#2 signed_multiply_results_compare::b#1 multiply_results_compare::b#2 multiply_results_compare::b#1 ] ] with [ zp ZP_BYTE:57 [ signed_multiply::b#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:4 [ line_cursor#20 line_cursor#40 line_cursor#27 line_cursor#1 ] ] with [ zp ZP_WORD:30 [ multiply_tables_compare::kc_sqr#2 multiply_tables_compare::kc_sqr#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:4 [ line_cursor#20 line_cursor#40 line_cursor#27 line_cursor#1 multiply_tables_compare::kc_sqr#2 multiply_tables_compare::kc_sqr#1 ] ] with [ zp ZP_WORD:35 [ init_multiply::sqr1_lo#2 init_multiply::sqr1_lo#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:4 [ line_cursor#20 line_cursor#40 line_cursor#27 line_cursor#1 multiply_tables_compare::kc_sqr#2 multiply_tables_compare::kc_sqr#1 init_multiply::sqr1_lo#2 init_multiply::sqr1_lo#1 ] ] with [ zp ZP_WORD:43 [ init_multiply::sqr2_lo#2 init_multiply::sqr2_lo#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:4 [ line_cursor#20 line_cursor#40 line_cursor#27 line_cursor#1 multiply_tables_compare::kc_sqr#2 multiply_tables_compare::kc_sqr#1 init_multiply::sqr1_lo#2 init_multiply::sqr1_lo#1 init_multiply::sqr2_lo#2 init_multiply::sqr2_lo#1 ] ] with [ zp ZP_WORD:48 [ print_cls::sc#2 print_cls::sc#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 ] ] with [ zp ZP_WORD:8 [ print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 ] ] with [ zp ZP_WORD:10 [ print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 ] ] with [ zp ZP_WORD:17 [ signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 ] ] with [ zp ZP_WORD:22 [ slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 ] ] with [ zp ZP_WORD:28 [ slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 ] ] with [ zp ZP_WORD:37 [ init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 ] ] with [ zp ZP_WORD:45 [ init_multiply::sqr2_hi#2 init_multiply::sqr2_hi#1 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 init_multiply::sqr2_hi#2 init_multiply::sqr2_hi#1 ] ] with [ zp ZP_WORD:52 [ slow_signed_multiply::return#2 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 init_multiply::sqr2_hi#2 init_multiply::sqr2_hi#1 slow_signed_multiply::return#2 ] ] with [ zp ZP_WORD:58 [ signed_multiply::return#2 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 init_multiply::sqr2_hi#2 init_multiply::sqr2_hi#1 slow_signed_multiply::return#2 signed_multiply::return#2 ] ] with [ zp ZP_WORD:60 [ signed_multiply_results_compare::ma#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 init_multiply::sqr2_hi#2 init_multiply::sqr2_hi#1 slow_signed_multiply::return#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 ] ] with [ zp ZP_WORD:70 [ multiply::return#2 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 init_multiply::sqr2_hi#2 init_multiply::sqr2_hi#1 slow_signed_multiply::return#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 multiply::return#2 ] ] with [ zp ZP_WORD:76 [ multiply::return#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 init_multiply::sqr2_hi#2 init_multiply::sqr2_hi#1 slow_signed_multiply::return#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 multiply::return#2 multiply::return#0 ] ] with [ zp ZP_WORD:80 [ slow_multiply::return#2 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 init_multiply::sqr2_hi#2 init_multiply::sqr2_hi#1 slow_signed_multiply::return#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 multiply::return#2 multiply::return#0 slow_multiply::return#2 ] ] with [ zp ZP_WORD:84 [ multiply::return#3 ] ]
-Coalescing zero page register [ zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 init_multiply::sqr2_hi#2 init_multiply::sqr2_hi#1 slow_signed_multiply::return#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 multiply::return#2 multiply::return#0 slow_multiply::return#2 multiply::return#3 ] ] with [ zp ZP_WORD:86 [ multiply_results_compare::ma#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:14 [ char_cursor#75 char_cursor#124 char_cursor#123 char_cursor#119 char_cursor#135 char_cursor#27 char_cursor#118 char_cursor#17 char_cursor#117 char_cursor#172 char_cursor#176 char_cursor#1 char_cursor#121 char_cursor#197 ] ] with [ zp ZP_WORD:40 [ init_multiply::sqr#3 init_multiply::sqr#4 init_multiply::sqr#1 init_multiply::sqr#2 ] ]
-Coalescing zero page register [ zp ZP_WORD:14 [ char_cursor#75 char_cursor#124 char_cursor#123 char_cursor#119 char_cursor#135 char_cursor#27 char_cursor#118 char_cursor#17 char_cursor#117 char_cursor#172 char_cursor#176 char_cursor#1 char_cursor#121 char_cursor#197 init_multiply::sqr#3 init_multiply::sqr#4 init_multiply::sqr#1 init_multiply::sqr#2 ] ] with [ zp ZP_WORD:54 [ signed_multiply_results_compare::ms#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:32 [ multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 ] ] with [ zp ZP_WORD:64 [ signed_multiply_error::ms#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:32 [ multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 signed_multiply_error::ms#0 ] ] with [ zp ZP_WORD:82 [ multiply_results_compare::ms#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:32 [ multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 signed_multiply_error::ms#0 multiply_results_compare::ms#0 ] ] with [ zp ZP_WORD:90 [ multiply_error::ms#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:66 [ signed_multiply_error::ma#0 ] ] with [ zp ZP_WORD:92 [ multiply_error::ma#0 ] ]
-Allocated (was zp ZP_WORD:14) zp ZP_WORD:8 [ char_cursor#75 char_cursor#124 char_cursor#123 char_cursor#119 char_cursor#135 char_cursor#27 char_cursor#118 char_cursor#17 char_cursor#117 char_cursor#172 char_cursor#176 char_cursor#1 char_cursor#121 char_cursor#197 init_multiply::sqr#3 init_multiply::sqr#4 init_multiply::sqr#1 init_multiply::sqr#2 signed_multiply_results_compare::ms#0 ]
-Allocated (was zp ZP_WORD:32) zp ZP_WORD:10 [ multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 signed_multiply_error::ms#0 multiply_results_compare::ms#0 multiply_error::ms#0 ]
-Allocated (was zp ZP_WORD:66) zp ZP_WORD:12 [ signed_multiply_error::ma#0 multiply_error::ma#0 ]
+Coalescing zero page register [ zp ZP_BYTE:2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::a#1 ] ] with [ zp ZP_BYTE:50 [ slow_signed_multiply::a#0 ] ]
+Coalescing zero page register [ zp ZP_BYTE:3 [ signed_multiply_results_compare::b#2 signed_multiply_results_compare::b#1 ] ] with [ zp ZP_BYTE:57 [ signed_multiply::b#0 ] ]
+Coalescing zero page register [ zp ZP_BYTE:3 [ signed_multiply_results_compare::b#2 signed_multiply_results_compare::b#1 signed_multiply::b#0 ] ] with [ zp ZP_BYTE:63 [ signed_multiply_error::b#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:8 [ print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 ] ] with [ zp ZP_WORD:10 [ print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 ] ]
+Coalescing zero page register [ zp ZP_WORD:8 [ print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 ] ] with [ zp ZP_WORD:32 [ multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 ] ]
+Coalescing zero page register [ zp ZP_WORD:8 [ print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 ] ] with [ zp ZP_WORD:64 [ signed_multiply_error::ms#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:8 [ print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 signed_multiply_error::ms#0 ] ] with [ zp ZP_WORD:54 [ signed_multiply_results_compare::ms#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:8 [ print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 signed_multiply_error::ms#0 signed_multiply_results_compare::ms#0 ] ] with [ zp ZP_WORD:52 [ slow_signed_multiply::return#2 ] ]
+Coalescing zero page register [ zp ZP_WORD:8 [ print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 signed_multiply_error::ms#0 signed_multiply_results_compare::ms#0 slow_signed_multiply::return#2 ] ] with [ zp ZP_WORD:22 [ slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 ] ]
+Coalescing zero page register [ zp ZP_WORD:8 [ print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 signed_multiply_error::ms#0 signed_multiply_results_compare::ms#0 slow_signed_multiply::return#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 ] ] with [ zp ZP_WORD:90 [ multiply_error::ms#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:8 [ print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 signed_multiply_error::ms#0 signed_multiply_results_compare::ms#0 slow_signed_multiply::return#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 multiply_error::ms#0 ] ] with [ zp ZP_WORD:82 [ multiply_results_compare::ms#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:8 [ print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 signed_multiply_error::ms#0 signed_multiply_results_compare::ms#0 slow_signed_multiply::return#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 multiply_error::ms#0 multiply_results_compare::ms#0 ] ] with [ zp ZP_WORD:80 [ slow_multiply::return#2 ] ]
+Coalescing zero page register [ zp ZP_WORD:8 [ print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 signed_multiply_error::ms#0 signed_multiply_results_compare::ms#0 slow_signed_multiply::return#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 multiply_error::ms#0 multiply_results_compare::ms#0 slow_multiply::return#2 ] ] with [ zp ZP_WORD:28 [ slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 ] ]
+Coalescing zero page register [ zp ZP_WORD:17 [ signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 ] ] with [ zp ZP_WORD:58 [ signed_multiply::return#2 ] ]
+Coalescing zero page register [ zp ZP_WORD:17 [ signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 signed_multiply::return#2 ] ] with [ zp ZP_WORD:60 [ signed_multiply_results_compare::ma#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:17 [ signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 ] ] with [ zp ZP_WORD:66 [ signed_multiply_error::ma#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:17 [ signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 signed_multiply_error::ma#0 ] ] with [ zp ZP_WORD:70 [ multiply::return#2 ] ]
+Coalescing zero page register [ zp ZP_WORD:17 [ signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 signed_multiply_error::ma#0 multiply::return#2 ] ] with [ zp ZP_WORD:76 [ multiply::return#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:17 [ signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 signed_multiply_error::ma#0 multiply::return#2 multiply::return#0 ] ] with [ zp ZP_WORD:84 [ multiply::return#3 ] ]
+Coalescing zero page register [ zp ZP_WORD:17 [ signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 signed_multiply_error::ma#0 multiply::return#2 multiply::return#0 multiply::return#3 ] ] with [ zp ZP_WORD:86 [ multiply_results_compare::ma#0 ] ]
+Coalescing zero page register [ zp ZP_WORD:17 [ signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 signed_multiply_error::ma#0 multiply::return#2 multiply::return#0 multiply::return#3 multiply_results_compare::ma#0 ] ] with [ zp ZP_WORD:92 [ multiply_error::ma#0 ] ]
+Coalescing zero page register [ zp ZP_BYTE:25 [ multiply_results_compare::a#6 multiply_results_compare::a#1 ] ] with [ zp ZP_BYTE:78 [ slow_multiply::a#0 ] ]
+Coalescing zero page register [ zp ZP_BYTE:26 [ multiply_results_compare::b#2 multiply_results_compare::b#1 ] ] with [ zp ZP_BYTE:89 [ multiply_error::b#0 ] ]
+Allocated (was zp ZP_WORD:14) zp ZP_WORD:10 [ char_cursor#75 char_cursor#124 char_cursor#123 char_cursor#119 char_cursor#135 char_cursor#27 char_cursor#118 char_cursor#17 char_cursor#117 char_cursor#172 char_cursor#176 char_cursor#1 char_cursor#121 char_cursor#197 ]
+Allocated (was zp ZP_WORD:17) zp ZP_WORD:12 [ signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 signed_multiply_error::ma#0 multiply::return#2 multiply::return#0 multiply::return#3 multiply_results_compare::ma#0 multiply_error::ma#0 ]
+Allocated (was zp ZP_BYTE:25) zp ZP_BYTE:14 [ multiply_results_compare::a#6 multiply_results_compare::a#1 slow_multiply::a#0 ]
+Allocated (was zp ZP_BYTE:26) zp ZP_BYTE:15 [ multiply_results_compare::b#2 multiply_results_compare::b#1 multiply_error::b#0 ]
+Allocated (was zp ZP_WORD:30) zp ZP_WORD:16 [ multiply_tables_compare::kc_sqr#2 multiply_tables_compare::kc_sqr#1 ]
+Allocated (was zp ZP_WORD:35) zp ZP_WORD:18 [ init_multiply::sqr1_lo#2 init_multiply::sqr1_lo#1 ]
+Allocated (was zp ZP_WORD:37) zp ZP_WORD:20 [ init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 ]
+Allocated (was zp ZP_BYTE:39) zp ZP_BYTE:22 [ init_multiply::x_2#3 init_multiply::x_2#2 init_multiply::x_2#1 ]
+Allocated (was zp ZP_WORD:40) zp ZP_WORD:23 [ init_multiply::sqr#3 init_multiply::sqr#4 init_multiply::sqr#1 init_multiply::sqr#2 ]
+Allocated (was zp ZP_WORD:43) zp ZP_WORD:25 [ init_multiply::sqr2_lo#2 init_multiply::sqr2_lo#1 ]
+Allocated (was zp ZP_WORD:45) zp ZP_WORD:27 [ init_multiply::sqr2_hi#2 init_multiply::sqr2_hi#1 ]
+Allocated (was zp ZP_BYTE:47) zp ZP_BYTE:29 [ init_multiply::dir#2 init_multiply::dir#3 ]
+Allocated (was zp ZP_WORD:48) zp ZP_WORD:30 [ print_cls::sc#2 print_cls::sc#1 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -8416,7 +8415,7 @@ ASSEMBLER BEFORE OPTIMIZATION
 .pc = $80d "Program"
 //SEG1 Global Constants & labels
   .label BGCOL = $d021
-  .label char_cursor = 8
+  .label char_cursor = $a
   .label line_cursor = 4
 //SEG2 @begin
 bbegin:
@@ -8493,7 +8492,7 @@ main: {
 //SEG33 signed_multiply_results_compare
 signed_multiply_results_compare: {
     .label ms = 8
-    .label ma = 6
+    .label ma = $c
     .label b = 3
     .label a = 2
   //SEG34 [18] phi from signed_multiply_results_compare to signed_multiply_results_compare::@1 [phi:signed_multiply_results_compare->signed_multiply_results_compare::@1]
@@ -8527,15 +8526,12 @@ signed_multiply_results_compare: {
   //SEG46 [22] call slow_signed_multiply param-assignment [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 slow_signed_multiply::return#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 slow_signed_multiply::return#0 line_cursor#1 ] )
     jsr slow_signed_multiply
   //SEG47 [23] (signed word) slow_signed_multiply::return#2 ← (signed word) slow_signed_multiply::return#0 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 slow_signed_multiply::return#2 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 slow_signed_multiply::return#2 line_cursor#1 ] )
-    // (signed word) slow_signed_multiply::return#2 = (signed word) slow_signed_multiply::return#0  // register copy zp ZP_WORD:6
+    // (signed word) slow_signed_multiply::return#2 = (signed word) slow_signed_multiply::return#0  // register copy zp ZP_WORD:8
     jmp b8
   //SEG48 signed_multiply_results_compare::@8
   b8:
-  //SEG49 [24] (signed word) signed_multiply_results_compare::ms#0 ← (signed word) slow_signed_multiply::return#2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 ] ) -- vwsz1=vwsz2 
-    lda slow_signed_multiply.return
-    sta ms
-    lda slow_signed_multiply.return+1
-    sta ms+1
+  //SEG49 [24] (signed word) signed_multiply_results_compare::ms#0 ← (signed word) slow_signed_multiply::return#2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 ] )
+    // (signed word) signed_multiply_results_compare::ms#0 = (signed word) slow_signed_multiply::return#2  // register copy zp ZP_WORD:8
   //SEG50 [25] (signed byte) signed_multiply::a#0 ← (signed byte) signed_multiply_results_compare::a#6 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::a#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::a#0 line_cursor#1 ] ) -- vbsyy=vbsz1 
     ldy a
   //SEG51 [26] (signed byte) signed_multiply::b#0 ← (signed byte) signed_multiply_results_compare::b#2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::a#0 signed_multiply::b#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::a#0 signed_multiply::b#0 line_cursor#1 ] )
@@ -8543,12 +8539,12 @@ signed_multiply_results_compare: {
   //SEG52 [27] call signed_multiply param-assignment [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::m#4 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::m#4 line_cursor#1 ] )
     jsr signed_multiply
   //SEG53 [28] (signed word) signed_multiply::return#2 ← (signed word)(word) signed_multiply::m#4 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::return#2 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::return#2 line_cursor#1 ] )
-    // (signed word) signed_multiply::return#2 = (signed word)(word) signed_multiply::m#4  // register copy zp ZP_WORD:6
+    // (signed word) signed_multiply::return#2 = (signed word)(word) signed_multiply::m#4  // register copy zp ZP_WORD:12
     jmp b9
   //SEG54 signed_multiply_results_compare::@9
   b9:
   //SEG55 [29] (signed word) signed_multiply_results_compare::ma#0 ← (signed word) signed_multiply::return#2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 line_cursor#1 ] )
-    // (signed word) signed_multiply_results_compare::ma#0 = (signed word) signed_multiply::return#2  // register copy zp ZP_WORD:6
+    // (signed word) signed_multiply_results_compare::ma#0 = (signed word) signed_multiply::return#2  // register copy zp ZP_WORD:12
   //SEG56 [30] if((signed word) signed_multiply_results_compare::ms#0==(signed word) signed_multiply_results_compare::ma#0) goto signed_multiply_results_compare::@3 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 line_cursor#1 ] ) -- vwsz1_eq_vwsz2_then_la1 
     lda ms
     cmp ma
@@ -8565,19 +8561,12 @@ signed_multiply_results_compare: {
     sta BGCOL
   //SEG59 [32] (signed byte) signed_multiply_error::a#0 ← (signed byte) signed_multiply_results_compare::a#6 [ signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 line_cursor#1 ] ) -- vbsxx=vbsz1 
     ldx a
-  //SEG60 [33] (signed byte) signed_multiply_error::b#0 ← (signed byte) signed_multiply_results_compare::b#2 [ signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 line_cursor#1 ] ) -- vbsz1=vbsz2 
-    lda b
-    sta signed_multiply_error.b
-  //SEG61 [34] (signed word) signed_multiply_error::ms#0 ← (signed word) signed_multiply_results_compare::ms#0 [ signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 line_cursor#1 ] ) -- vwsz1=vwsz2 
-    lda ms
-    sta signed_multiply_error.ms
-    lda ms+1
-    sta signed_multiply_error.ms+1
-  //SEG62 [35] (signed word) signed_multiply_error::ma#0 ← (signed word) signed_multiply_results_compare::ma#0 [ signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 signed_multiply_error::ma#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 signed_multiply_error::ma#0 line_cursor#1 ] ) -- vwsz1=vwsz2 
-    lda ma
-    sta signed_multiply_error.ma
-    lda ma+1
-    sta signed_multiply_error.ma+1
+  //SEG60 [33] (signed byte) signed_multiply_error::b#0 ← (signed byte) signed_multiply_results_compare::b#2 [ signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 line_cursor#1 ] )
+    // (signed byte) signed_multiply_error::b#0 = (signed byte) signed_multiply_results_compare::b#2  // register copy zp ZP_BYTE:3
+  //SEG61 [34] (signed word) signed_multiply_error::ms#0 ← (signed word) signed_multiply_results_compare::ms#0 [ signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 line_cursor#1 ] )
+    // (signed word) signed_multiply_error::ms#0 = (signed word) signed_multiply_results_compare::ms#0  // register copy zp ZP_WORD:8
+  //SEG62 [35] (signed word) signed_multiply_error::ma#0 ← (signed word) signed_multiply_results_compare::ma#0 [ signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 signed_multiply_error::ma#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 signed_multiply_error::ma#0 line_cursor#1 ] )
+    // (signed word) signed_multiply_error::ma#0 = (signed word) signed_multiply_results_compare::ma#0  // register copy zp ZP_WORD:12
   //SEG63 [36] call signed_multiply_error param-assignment [ ] ( main:2::signed_multiply_results_compare:15 [ ] )
     jsr signed_multiply_error
     jmp breturn
@@ -8708,8 +8697,8 @@ print_str: {
 }
 //SEG104 signed_multiply_error
 signed_multiply_error: {
-    .label b = 2
-    .label ms = $a
+    .label b = 3
+    .label ms = 8
     .label ma = $c
   //SEG105 [58] (byte*~) char_cursor#172 ← (byte*) line_cursor#1 [ signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 signed_multiply_error::ma#0 line_cursor#1 char_cursor#172 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36 [ signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 signed_multiply_error::ma#0 line_cursor#1 char_cursor#172 ] ) -- pbuz1=pbuz2 
     lda line_cursor
@@ -8779,11 +8768,8 @@ signed_multiply_error: {
     jmp b5
   //SEG132 signed_multiply_error::@5
   b5:
-  //SEG133 [68] (signed word) print_sword::w#1 ← (signed word) signed_multiply_error::ms#0 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#117 print_sword::w#1 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#117 print_sword::w#1 ] ) -- vwsz1=vwsz2 
-    lda ms
-    sta print_sword.w
-    lda ms+1
-    sta print_sword.w+1
+  //SEG133 [68] (signed word) print_sword::w#1 ← (signed word) signed_multiply_error::ms#0 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#117 print_sword::w#1 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#117 print_sword::w#1 ] )
+    // (signed word) print_sword::w#1 = (signed word) signed_multiply_error::ms#0  // register copy zp ZP_WORD:8
   //SEG134 [69] call print_sword param-assignment [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#17 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#17 ] )
   //SEG135 [77] phi from signed_multiply_error::@5 to print_sword [phi:signed_multiply_error::@5->print_sword]
   print_sword_from_b5:
@@ -8840,7 +8826,7 @@ signed_multiply_error: {
 }
 //SEG156 print_sword
 print_sword: {
-    .label w = 6
+    .label w = 8
   //SEG157 [78] if((signed word) print_sword::w#3>=(byte/signed byte/word/signed word/dword/signed dword) 0) goto print_sword::@1 [ char_cursor#117 print_sword::w#3 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:69 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#117 print_sword::w#3 ] main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:73 [ line_cursor#1 char_cursor#117 print_sword::w#3 ] ) -- vwsz1_ge_0_then_la1 
     lda w+1
     bpl b1_from_print_sword
@@ -8878,7 +8864,7 @@ print_sword: {
   //SEG169 print_sword::@1
   b1:
   //SEG170 [83] (word~) print_word::w#11 ← (word)(signed word) print_sword::w#4 [ char_cursor#119 print_word::w#11 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:69 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#119 print_word::w#11 ] main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:73 [ line_cursor#1 char_cursor#119 print_word::w#11 ] )
-    // (word~) print_word::w#11 = (word)(signed word) print_sword::w#4  // register copy zp ZP_WORD:6
+    // (word~) print_word::w#11 = (word)(signed word) print_sword::w#4  // register copy zp ZP_WORD:8
   //SEG171 [84] call print_word param-assignment [ char_cursor#17 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:69 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#17 ] main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:73 [ line_cursor#1 char_cursor#17 ] )
   //SEG172 [86] phi from print_sword::@1 to print_word [phi:print_sword::@1->print_word]
   print_word_from_b1:
@@ -8893,7 +8879,7 @@ print_sword: {
 }
 //SEG177 print_word
 print_word: {
-    .label w = 6
+    .label w = 8
   //SEG178 [87] (byte) print_byte::b#1 ← > (word) print_word::w#5 [ print_word::w#5 char_cursor#123 print_byte::b#1 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:69::print_word:84 [ signed_multiply_error::ma#0 line_cursor#1 print_word::w#5 char_cursor#123 print_byte::b#1 ] main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:73::print_word:84 [ line_cursor#1 print_word::w#5 char_cursor#123 print_byte::b#1 ] main:2::multiply_results_compare:13::multiply_error:166::print_word:187 [ line_cursor#27 multiply_error::ma#0 print_word::w#5 char_cursor#123 print_byte::b#1 ] main:2::multiply_results_compare:13::multiply_error:166::print_word:191 [ line_cursor#27 print_word::w#5 char_cursor#123 print_byte::b#1 ] main:2::multiply_tables_compare:11::print_word:208 [ multiply_tables_compare::kc_sqr#2 print_word::w#5 char_cursor#123 print_byte::b#1 ] main:2::multiply_tables_compare:11::print_word:212 [ print_word::w#5 char_cursor#123 print_byte::b#1 ] ) -- vbuxx=_hi_vwuz1 
     lda w+1
     tax
@@ -9026,9 +9012,9 @@ print_sbyte: {
 }
 //SEG233 signed_multiply
 signed_multiply: {
-    .label m = 6
+    .label m = $c
     .label b = 3
-    .label return = 6
+    .label return = $c
   //SEG234 [113] (byte~) multiply::a#4 ← (byte)(signed byte) signed_multiply::a#0 [ signed_multiply::a#0 signed_multiply::b#0 multiply::a#4 ] ( main:2::signed_multiply_results_compare:15::signed_multiply:27 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 signed_multiply::a#0 signed_multiply::b#0 multiply::a#4 ] ) -- vbuaa=vbuyy 
     tya
   //SEG235 [114] (byte~) multiply::b#4 ← (byte)(signed byte) signed_multiply::b#0 [ signed_multiply::a#0 signed_multiply::b#0 multiply::a#4 multiply::b#4 ] ( main:2::signed_multiply_results_compare:15::signed_multiply:27 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 signed_multiply::a#0 signed_multiply::b#0 multiply::a#4 multiply::b#4 ] ) -- vbuxx=vbuz1 
@@ -9040,12 +9026,12 @@ signed_multiply: {
   //SEG239 [129] phi (byte) multiply::a#2 = (byte~) multiply::a#4 [phi:signed_multiply->multiply#1] -- register_copy 
     jsr multiply
   //SEG240 [116] (word) multiply::return#2 ← (word) multiply::return#0 [ signed_multiply::a#0 signed_multiply::b#0 multiply::return#2 ] ( main:2::signed_multiply_results_compare:15::signed_multiply:27 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 signed_multiply::a#0 signed_multiply::b#0 multiply::return#2 ] )
-    // (word) multiply::return#2 = (word) multiply::return#0  // register copy zp ZP_WORD:6
+    // (word) multiply::return#2 = (word) multiply::return#0  // register copy zp ZP_WORD:12
     jmp b6
   //SEG241 signed_multiply::@6
   b6:
   //SEG242 [117] (word) signed_multiply::m#0 ← (word) multiply::return#2 [ signed_multiply::a#0 signed_multiply::b#0 signed_multiply::m#0 ] ( main:2::signed_multiply_results_compare:15::signed_multiply:27 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 signed_multiply::a#0 signed_multiply::b#0 signed_multiply::m#0 ] )
-    // (word) signed_multiply::m#0 = (word) multiply::return#2  // register copy zp ZP_WORD:6
+    // (word) signed_multiply::m#0 = (word) multiply::return#2  // register copy zp ZP_WORD:12
   //SEG243 [118] if((signed byte) signed_multiply::a#0>=(byte/signed byte/word/signed word/dword/signed dword) 0) goto signed_multiply::@1 [ signed_multiply::a#0 signed_multiply::b#0 signed_multiply::m#0 ] ( main:2::signed_multiply_results_compare:15::signed_multiply:27 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 signed_multiply::a#0 signed_multiply::b#0 signed_multiply::m#0 ] ) -- vbsyy_ge_0_then_la1 
     cpy #0
     bpl b1_from_b6
@@ -9098,7 +9084,7 @@ signed_multiply: {
 multiply: {
     .label memA = $fe
     .label memB = $ff
-    .label return = 6
+    .label return = $c
   //SEG262 [130] *((const byte*) multiply::memA#0) ← (byte) multiply::a#2 [ multiply::b#2 ] ( main:2::signed_multiply_results_compare:15::signed_multiply:27::multiply:115 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 signed_multiply::a#0 signed_multiply::b#0 multiply::b#2 ] main:2::multiply_results_compare:13::multiply:157 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply::b#2 ] ) -- _deref_pbuc1=vbuaa 
     sta memA
   //SEG263 [131] *((const byte*) multiply::memB#0) ← (byte) multiply::b#2 [ ] ( main:2::signed_multiply_results_compare:15::signed_multiply:27::multiply:115 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 signed_multiply::a#0 signed_multiply::b#0 ] main:2::multiply_results_compare:13::multiply:157 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ) -- _deref_pbuc1=vbuxx 
@@ -9135,8 +9121,8 @@ multiply: {
 }
 //SEG268 slow_signed_multiply
 slow_signed_multiply: {
-    .label m = 6
-    .label return = 6
+    .label m = 8
+    .label return = 8
     .label a = 2
   //SEG269 [135] if((signed byte) slow_signed_multiply::a#0>=(byte/signed byte/word/signed word/dword/signed dword) 0) goto slow_signed_multiply::@1 [ slow_signed_multiply::a#0 slow_signed_multiply::b#0 ] ( main:2::signed_multiply_results_compare:15::slow_signed_multiply:22 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 line_cursor#1 slow_signed_multiply::a#0 slow_signed_multiply::b#0 ] ) -- vbsz1_ge_0_then_la1 
     lda a
@@ -9248,10 +9234,10 @@ slow_signed_multiply: {
 }
 //SEG299 multiply_results_compare
 multiply_results_compare: {
-    .label ms = $a
-    .label ma = 6
-    .label b = 3
-    .label a = 2
+    .label ms = 8
+    .label ma = $c
+    .label b = $f
+    .label a = $e
   //SEG300 [148] phi from multiply_results_compare to multiply_results_compare::@1 [phi:multiply_results_compare->multiply_results_compare::@1]
   b1_from_multiply_results_compare:
   //SEG301 [148] phi (byte) multiply_results_compare::a#6 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:multiply_results_compare->multiply_results_compare::@1#0] -- vbuz1=vbuc1 
@@ -9277,21 +9263,18 @@ multiply_results_compare: {
   //SEG309 multiply_results_compare::@2
   b2:
   //SEG310 [150] (byte) slow_multiply::a#0 ← (byte) multiply_results_compare::a#6 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::a#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::a#0 ] )
-    // (byte) slow_multiply::a#0 = (byte) multiply_results_compare::a#6  // register copy zp ZP_BYTE:2
+    // (byte) slow_multiply::a#0 = (byte) multiply_results_compare::a#6  // register copy zp ZP_BYTE:14
   //SEG311 [151] (byte) slow_multiply::b#0 ← (byte) multiply_results_compare::b#2 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::a#0 slow_multiply::b#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::a#0 slow_multiply::b#0 ] ) -- vbuxx=vbuz1 
     ldx b
   //SEG312 [152] call slow_multiply param-assignment [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::return#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::return#0 ] )
     jsr slow_multiply
   //SEG313 [153] (word) slow_multiply::return#2 ← (word) slow_multiply::return#0 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::return#2 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::return#2 ] )
-    // (word) slow_multiply::return#2 = (word) slow_multiply::return#0  // register copy zp ZP_WORD:6
+    // (word) slow_multiply::return#2 = (word) slow_multiply::return#0  // register copy zp ZP_WORD:8
     jmp b8
   //SEG314 multiply_results_compare::@8
   b8:
-  //SEG315 [154] (word) multiply_results_compare::ms#0 ← (word) slow_multiply::return#2 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ) -- vwuz1=vwuz2 
-    lda slow_multiply.return
-    sta ms
-    lda slow_multiply.return+1
-    sta ms+1
+  //SEG315 [154] (word) multiply_results_compare::ms#0 ← (word) slow_multiply::return#2 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] )
+    // (word) multiply_results_compare::ms#0 = (word) slow_multiply::return#2  // register copy zp ZP_WORD:8
   //SEG316 [155] (byte) multiply::a#1 ← (byte) multiply_results_compare::a#6 [ line_cursor#27 char_cursor#27 multiply::a#1 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply::a#1 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ) -- vbuaa=vbuz1 
     lda a
   //SEG317 [156] (byte) multiply::b#1 ← (byte) multiply_results_compare::b#2 [ line_cursor#27 char_cursor#27 multiply::a#1 multiply::b#1 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply::a#1 multiply::b#1 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ) -- vbuxx=vbuz1 
@@ -9303,12 +9286,12 @@ multiply_results_compare: {
   //SEG321 [129] phi (byte) multiply::a#2 = (byte) multiply::a#1 [phi:multiply_results_compare::@8->multiply#1] -- register_copy 
     jsr multiply
   //SEG322 [158] (word) multiply::return#3 ← (word) multiply::return#0 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply::return#3 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply::return#3 ] )
-    // (word) multiply::return#3 = (word) multiply::return#0  // register copy zp ZP_WORD:6
+    // (word) multiply::return#3 = (word) multiply::return#0  // register copy zp ZP_WORD:12
     jmp b9
   //SEG323 multiply_results_compare::@9
   b9:
   //SEG324 [159] (word) multiply_results_compare::ma#0 ← (word) multiply::return#3 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply_results_compare::ma#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply_results_compare::ma#0 ] )
-    // (word) multiply_results_compare::ma#0 = (word) multiply::return#3  // register copy zp ZP_WORD:6
+    // (word) multiply_results_compare::ma#0 = (word) multiply::return#3  // register copy zp ZP_WORD:12
   //SEG325 [160] if((word) multiply_results_compare::ms#0==(word) multiply_results_compare::ma#0) goto multiply_results_compare::@3 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply_results_compare::ma#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply_results_compare::ma#0 ] ) -- vwuz1_eq_vwuz2_then_la1 
     lda ms
     cmp ma
@@ -9325,16 +9308,12 @@ multiply_results_compare: {
     sta BGCOL
   //SEG328 [162] (byte) multiply_error::a#0 ← (byte) multiply_results_compare::a#6 [ line_cursor#27 char_cursor#27 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply_results_compare::ma#0 multiply_error::a#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply_results_compare::ma#0 multiply_error::a#0 ] ) -- vbuxx=vbuz1 
     ldx a
-  //SEG329 [163] (byte) multiply_error::b#0 ← (byte) multiply_results_compare::b#2 [ line_cursor#27 char_cursor#27 multiply_results_compare::ms#0 multiply_results_compare::ma#0 multiply_error::a#0 multiply_error::b#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::ms#0 multiply_results_compare::ma#0 multiply_error::a#0 multiply_error::b#0 ] ) -- vbuz1=vbuz2 
-    lda b
-    sta multiply_error.b
+  //SEG329 [163] (byte) multiply_error::b#0 ← (byte) multiply_results_compare::b#2 [ line_cursor#27 char_cursor#27 multiply_results_compare::ms#0 multiply_results_compare::ma#0 multiply_error::a#0 multiply_error::b#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::ms#0 multiply_results_compare::ma#0 multiply_error::a#0 multiply_error::b#0 ] )
+    // (byte) multiply_error::b#0 = (byte) multiply_results_compare::b#2  // register copy zp ZP_BYTE:15
   //SEG330 [164] (word) multiply_error::ms#0 ← (word) multiply_results_compare::ms#0 [ line_cursor#27 char_cursor#27 multiply_results_compare::ma#0 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::ma#0 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 ] )
-    // (word) multiply_error::ms#0 = (word) multiply_results_compare::ms#0  // register copy zp ZP_WORD:10
-  //SEG331 [165] (word) multiply_error::ma#0 ← (word) multiply_results_compare::ma#0 [ line_cursor#27 char_cursor#27 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 multiply_error::ma#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 multiply_error::ma#0 ] ) -- vwuz1=vwuz2 
-    lda ma
-    sta multiply_error.ma
-    lda ma+1
-    sta multiply_error.ma+1
+    // (word) multiply_error::ms#0 = (word) multiply_results_compare::ms#0  // register copy zp ZP_WORD:8
+  //SEG331 [165] (word) multiply_error::ma#0 ← (word) multiply_results_compare::ma#0 [ line_cursor#27 char_cursor#27 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 multiply_error::ma#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 multiply_error::ma#0 ] )
+    // (word) multiply_error::ma#0 = (word) multiply_results_compare::ma#0  // register copy zp ZP_WORD:12
   //SEG332 [166] call multiply_error param-assignment [ line_cursor#1 ] ( main:2::multiply_results_compare:13 [ line_cursor#1 ] )
   //SEG333 [176] phi from multiply_results_compare::@4 to multiply_error [phi:multiply_results_compare::@4->multiply_error]
   multiply_error_from_b4:
@@ -9390,8 +9369,8 @@ multiply_results_compare: {
 }
 //SEG354 multiply_error
 multiply_error: {
-    .label b = 2
-    .label ms = $a
+    .label b = $f
+    .label ms = 8
     .label ma = $c
   //SEG355 [177] call print_str param-assignment [ char_cursor#117 line_cursor#27 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 multiply_error::ma#0 ] ( main:2::multiply_results_compare:13::multiply_error:166 [ char_cursor#117 line_cursor#27 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 multiply_error::ma#0 ] )
   //SEG356 [51] phi from multiply_error to print_str [phi:multiply_error->print_str]
@@ -9458,11 +9437,8 @@ multiply_error: {
     jmp b5
   //SEG383 multiply_error::@5
   b5:
-  //SEG384 [186] (word) print_word::w#3 ← (word) multiply_error::ms#0 [ char_cursor#117 line_cursor#27 print_word::w#3 multiply_error::ma#0 ] ( main:2::multiply_results_compare:13::multiply_error:166 [ char_cursor#117 line_cursor#27 print_word::w#3 multiply_error::ma#0 ] ) -- vwuz1=vwuz2 
-    lda ms
-    sta print_word.w
-    lda ms+1
-    sta print_word.w+1
+  //SEG384 [186] (word) print_word::w#3 ← (word) multiply_error::ms#0 [ char_cursor#117 line_cursor#27 print_word::w#3 multiply_error::ma#0 ] ( main:2::multiply_results_compare:13::multiply_error:166 [ char_cursor#117 line_cursor#27 print_word::w#3 multiply_error::ma#0 ] )
+    // (word) print_word::w#3 = (word) multiply_error::ms#0  // register copy zp ZP_WORD:8
   //SEG385 [187] call print_word param-assignment [ char_cursor#17 line_cursor#27 multiply_error::ma#0 ] ( main:2::multiply_results_compare:13::multiply_error:166 [ char_cursor#17 line_cursor#27 multiply_error::ma#0 ] )
   //SEG386 [86] phi from multiply_error::@5 to print_word [phi:multiply_error::@5->print_word]
   print_word_from_b5:
@@ -9521,9 +9497,9 @@ multiply_error: {
 }
 //SEG409 slow_multiply
 slow_multiply: {
-    .label return = 6
-    .label m = 6
-    .label a = 2
+    .label return = 8
+    .label m = 8
+    .label a = $e
   //SEG410 [195] if((byte) slow_multiply::a#0==(byte/signed byte/word/signed word/dword/signed dword) 0) goto slow_multiply::@1 [ slow_multiply::a#0 slow_multiply::b#0 ] ( main:2::multiply_results_compare:13::slow_multiply:152 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::a#0 slow_multiply::b#0 ] ) -- vbuz1_eq_0_then_la1 
     lda a
     beq b1_from_slow_multiply
@@ -9579,8 +9555,8 @@ slow_multiply: {
 }
 //SEG428 multiply_tables_compare
 multiply_tables_compare: {
-    .label asm_sqr = $a
-    .label kc_sqr = 4
+    .label asm_sqr = 8
+    .label kc_sqr = $10
   //SEG429 [203] phi from multiply_tables_compare to multiply_tables_compare::@1 [phi:multiply_tables_compare->multiply_tables_compare::@1]
   b1_from_multiply_tables_compare:
   //SEG430 [203] phi (byte*) multiply_tables_compare::asm_sqr#2 = (const byte[512]) asm_mul_sqr1_lo#0 [phi:multiply_tables_compare->multiply_tables_compare::@1#0] -- pbuz1=pbuc1 
@@ -9630,11 +9606,8 @@ multiply_tables_compare: {
     jmp b6
   //SEG443 multiply_tables_compare::@6
   b6:
-  //SEG444 [207] (word~) print_word::w#9 ← (word)(byte*) multiply_tables_compare::asm_sqr#2 [ char_cursor#117 print_word::w#9 multiply_tables_compare::kc_sqr#2 ] ( main:2::multiply_tables_compare:11 [ char_cursor#117 print_word::w#9 multiply_tables_compare::kc_sqr#2 ] ) -- vwuz1=vwuz2 
-    lda asm_sqr
-    sta print_word.w
-    lda asm_sqr+1
-    sta print_word.w+1
+  //SEG444 [207] (word~) print_word::w#9 ← (word)(byte*) multiply_tables_compare::asm_sqr#2 [ char_cursor#117 print_word::w#9 multiply_tables_compare::kc_sqr#2 ] ( main:2::multiply_tables_compare:11 [ char_cursor#117 print_word::w#9 multiply_tables_compare::kc_sqr#2 ] )
+    // (word~) print_word::w#9 = (word)(byte*) multiply_tables_compare::asm_sqr#2  // register copy zp ZP_WORD:8
   //SEG445 [208] call print_word param-assignment [ char_cursor#17 multiply_tables_compare::kc_sqr#2 ] ( main:2::multiply_tables_compare:11 [ char_cursor#17 multiply_tables_compare::kc_sqr#2 ] )
   //SEG446 [86] phi from multiply_tables_compare::@6 to print_word [phi:multiply_tables_compare::@6->print_word]
   print_word_from_b6:
@@ -9814,13 +9787,13 @@ init_multiply_asm: {
 }
 //SEG494 init_multiply
 init_multiply: {
-    .label sqr1_hi = 6
-    .label sqr = 8
-    .label sqr1_lo = 4
-    .label x_2 = 2
-    .label sqr2_hi = 6
-    .label sqr2_lo = 4
-    .label dir = 2
+    .label sqr1_hi = $14
+    .label sqr = $17
+    .label sqr1_lo = $12
+    .label x_2 = $16
+    .label sqr2_hi = $1b
+    .label sqr2_lo = $19
+    .label dir = $1d
   //SEG495 [230] phi from init_multiply to init_multiply::@1 [phi:init_multiply->init_multiply::@1]
   b1_from_init_multiply:
   //SEG496 [230] phi (byte) init_multiply::x_2#3 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:init_multiply->init_multiply::@1#0] -- vbuz1=vbuc1 
@@ -10009,7 +9982,7 @@ init_multiply: {
 }
 //SEG556 print_cls
 print_cls: {
-    .label sc = 4
+    .label sc = $1e
   //SEG557 [259] phi from print_cls to print_cls::@1 [phi:print_cls->print_cls::@1]
   b1_from_print_cls:
   //SEG558 [259] phi (byte*) print_cls::sc#2 = ((byte*))(word/signed word/dword/signed dword) 1024 [phi:print_cls->print_cls::@1#0] -- pbuz1=pbuc1 
@@ -10422,20 +10395,20 @@ FINAL SYMBOL TABLE
 (byte[512]) asm_mul_sqr2_lo
 (const byte[512]) asm_mul_sqr2_lo#0 asm_mul_sqr2_lo = { fill( 512, 0) }
 (byte*) char_cursor
-(byte*) char_cursor#1 char_cursor zp ZP_WORD:8 11.0
-(byte*) char_cursor#117 char_cursor zp ZP_WORD:8 1.6944444444444446
-(byte*) char_cursor#118 char_cursor zp ZP_WORD:8 5.25
-(byte*) char_cursor#119 char_cursor zp ZP_WORD:8 3.0
-(byte*) char_cursor#121 char_cursor zp ZP_WORD:8 3.0
-(byte*) char_cursor#123 char_cursor zp ZP_WORD:8 6.0
-(byte*) char_cursor#124 char_cursor zp ZP_WORD:8 3.9999999999999996
-(byte*) char_cursor#135 char_cursor zp ZP_WORD:8 24.0
-(byte*) char_cursor#17 char_cursor zp ZP_WORD:8 0.7894736842105261
-(byte*~) char_cursor#172 char_cursor zp ZP_WORD:8 4.0
-(byte*~) char_cursor#176 char_cursor zp ZP_WORD:8 4.0
-(byte*~) char_cursor#197 char_cursor zp ZP_WORD:8 4.0
-(byte*) char_cursor#27 char_cursor zp ZP_WORD:8 0.27586206896551724
-(byte*) char_cursor#75 char_cursor zp ZP_WORD:8 6.0
+(byte*) char_cursor#1 char_cursor zp ZP_WORD:10 11.0
+(byte*) char_cursor#117 char_cursor zp ZP_WORD:10 1.6944444444444446
+(byte*) char_cursor#118 char_cursor zp ZP_WORD:10 5.25
+(byte*) char_cursor#119 char_cursor zp ZP_WORD:10 3.0
+(byte*) char_cursor#121 char_cursor zp ZP_WORD:10 3.0
+(byte*) char_cursor#123 char_cursor zp ZP_WORD:10 6.0
+(byte*) char_cursor#124 char_cursor zp ZP_WORD:10 3.9999999999999996
+(byte*) char_cursor#135 char_cursor zp ZP_WORD:10 24.0
+(byte*) char_cursor#17 char_cursor zp ZP_WORD:10 0.7894736842105261
+(byte*~) char_cursor#172 char_cursor zp ZP_WORD:10 4.0
+(byte*~) char_cursor#176 char_cursor zp ZP_WORD:10 4.0
+(byte*~) char_cursor#197 char_cursor zp ZP_WORD:10 4.0
+(byte*) char_cursor#27 char_cursor zp ZP_WORD:10 0.27586206896551724
+(byte*) char_cursor#75 char_cursor zp ZP_WORD:10 6.0
 (void()) init_multiply()
 (byte~) init_multiply::$2 reg byte a 22.0
 (byte~) init_multiply::$5 reg byte a 22.0
@@ -10452,29 +10425,29 @@ FINAL SYMBOL TABLE
 (byte) init_multiply::c#1 reg byte x 2.357142857142857
 (byte) init_multiply::c#2 reg byte x 22.0
 (byte) init_multiply::dir
-(byte) init_multiply::dir#2 dir zp ZP_BYTE:2 4.714285714285714
-(byte) init_multiply::dir#3 dir zp ZP_BYTE:2 7.333333333333333
+(byte) init_multiply::dir#2 dir zp ZP_BYTE:29 4.714285714285714
+(byte) init_multiply::dir#3 dir zp ZP_BYTE:29 7.333333333333333
 (word) init_multiply::sqr
-(word) init_multiply::sqr#1 sqr zp ZP_WORD:8 7.333333333333333
-(word) init_multiply::sqr#2 sqr zp ZP_WORD:8 22.0
-(word) init_multiply::sqr#3 sqr zp ZP_WORD:8 9.166666666666666
-(word) init_multiply::sqr#4 sqr zp ZP_WORD:8 6.6000000000000005
+(word) init_multiply::sqr#1 sqr zp ZP_WORD:23 7.333333333333333
+(word) init_multiply::sqr#2 sqr zp ZP_WORD:23 22.0
+(word) init_multiply::sqr#3 sqr zp ZP_WORD:23 9.166666666666666
+(word) init_multiply::sqr#4 sqr zp ZP_WORD:23 6.6000000000000005
 (byte*) init_multiply::sqr1_hi
-(byte*) init_multiply::sqr1_hi#1 sqr1_hi zp ZP_WORD:6 5.5
-(byte*) init_multiply::sqr1_hi#2 sqr1_hi zp ZP_WORD:6 3.0
+(byte*) init_multiply::sqr1_hi#1 sqr1_hi zp ZP_WORD:20 5.5
+(byte*) init_multiply::sqr1_hi#2 sqr1_hi zp ZP_WORD:20 3.0
 (byte*) init_multiply::sqr1_lo
-(byte*) init_multiply::sqr1_lo#1 sqr1_lo zp ZP_WORD:4 16.5
-(byte*) init_multiply::sqr1_lo#2 sqr1_lo zp ZP_WORD:4 2.5384615384615383
+(byte*) init_multiply::sqr1_lo#1 sqr1_lo zp ZP_WORD:18 16.5
+(byte*) init_multiply::sqr1_lo#2 sqr1_lo zp ZP_WORD:18 2.5384615384615383
 (byte*) init_multiply::sqr2_hi
-(byte*) init_multiply::sqr2_hi#1 sqr2_hi zp ZP_WORD:6 3.142857142857143
-(byte*) init_multiply::sqr2_hi#2 sqr2_hi zp ZP_WORD:6 11.0
+(byte*) init_multiply::sqr2_hi#1 sqr2_hi zp ZP_WORD:27 3.142857142857143
+(byte*) init_multiply::sqr2_hi#2 sqr2_hi zp ZP_WORD:27 11.0
 (byte*) init_multiply::sqr2_lo
-(byte*) init_multiply::sqr2_lo#1 sqr2_lo zp ZP_WORD:4 16.5
-(byte*) init_multiply::sqr2_lo#2 sqr2_lo zp ZP_WORD:4 4.125
+(byte*) init_multiply::sqr2_lo#1 sqr2_lo zp ZP_WORD:25 16.5
+(byte*) init_multiply::sqr2_lo#2 sqr2_lo zp ZP_WORD:25 4.125
 (byte) init_multiply::x_2
-(byte) init_multiply::x_2#1 x_2 zp ZP_BYTE:2 11.0
-(byte) init_multiply::x_2#2 x_2 zp ZP_BYTE:2 4.888888888888889
-(byte) init_multiply::x_2#3 x_2 zp ZP_BYTE:2 8.25
+(byte) init_multiply::x_2#1 x_2 zp ZP_BYTE:22 11.0
+(byte) init_multiply::x_2#2 x_2 zp ZP_BYTE:22 4.888888888888889
+(byte) init_multiply::x_2#3 x_2 zp ZP_BYTE:22 8.25
 (byte) init_multiply::x_255
 (byte) init_multiply::x_255#1 reg byte x 5.5
 (byte) init_multiply::x_255#2 reg byte x 11.0
@@ -10517,9 +10490,9 @@ FINAL SYMBOL TABLE
 (byte*) multiply::memB
 (const byte*) multiply::memB#0 memB = ((byte*))(byte/word/signed word/dword/signed dword) 255
 (word) multiply::return
-(word) multiply::return#0 return zp ZP_WORD:6 26.25
-(word) multiply::return#2 return zp ZP_WORD:6 4.0
-(word) multiply::return#3 return zp ZP_WORD:6 202.0
+(word) multiply::return#0 return zp ZP_WORD:12 26.25
+(word) multiply::return#2 return zp ZP_WORD:12 4.0
+(word) multiply::return#3 return zp ZP_WORD:12 202.0
 (void()) multiply_error((byte) multiply_error::a , (byte) multiply_error::b , (word) multiply_error::ms , (word) multiply_error::ma)
 (label) multiply_error::@1
 (label) multiply_error::@2
@@ -10533,11 +10506,11 @@ FINAL SYMBOL TABLE
 (byte) multiply_error::a
 (byte) multiply_error::a#0 reg byte x 0.6666666666666666
 (byte) multiply_error::b
-(byte) multiply_error::b#0 b zp ZP_BYTE:2 0.4444444444444444
+(byte) multiply_error::b#0 b zp ZP_BYTE:15 0.4444444444444444
 (word) multiply_error::ma
 (word) multiply_error::ma#0 ma zp ZP_WORD:12 0.26666666666666666
 (word) multiply_error::ms
-(word) multiply_error::ms#0 ms zp ZP_WORD:10 0.3333333333333333
+(word) multiply_error::ms#0 ms zp ZP_WORD:8 0.3333333333333333
 (const string) multiply_error::str str = (string) "multiply mismatch @"
 (const string) multiply_error::str1 str1 = (string) "*@"
 (const string) multiply_error::str2 str2 = (string) " slow:@"
@@ -10554,15 +10527,15 @@ FINAL SYMBOL TABLE
 (label) multiply_results_compare::@9
 (label) multiply_results_compare::@return
 (byte) multiply_results_compare::a
-(byte) multiply_results_compare::a#1 a zp ZP_BYTE:2 16.5
-(byte) multiply_results_compare::a#6 a zp ZP_BYTE:2 14.125
+(byte) multiply_results_compare::a#1 a zp ZP_BYTE:14 16.5
+(byte) multiply_results_compare::a#6 a zp ZP_BYTE:14 14.125
 (byte) multiply_results_compare::b
-(byte) multiply_results_compare::b#1 b zp ZP_BYTE:3 151.5
-(byte) multiply_results_compare::b#2 b zp ZP_BYTE:3 29.0
+(byte) multiply_results_compare::b#1 b zp ZP_BYTE:15 151.5
+(byte) multiply_results_compare::b#2 b zp ZP_BYTE:15 29.0
 (word) multiply_results_compare::ma
-(word) multiply_results_compare::ma#0 ma zp ZP_WORD:6 34.0
+(word) multiply_results_compare::ma#0 ma zp ZP_WORD:12 34.0
 (word) multiply_results_compare::ms
-(word) multiply_results_compare::ms#0 ms zp ZP_WORD:10 20.4
+(word) multiply_results_compare::ms#0 ms zp ZP_WORD:8 20.4
 (const string) multiply_results_compare::str str = (string) "multiply results match!@"
 (void()) multiply_tables_compare()
 (label) multiply_tables_compare::@1
@@ -10575,11 +10548,11 @@ FINAL SYMBOL TABLE
 (label) multiply_tables_compare::@8
 (label) multiply_tables_compare::@return
 (byte*) multiply_tables_compare::asm_sqr
-(byte*) multiply_tables_compare::asm_sqr#1 asm_sqr zp ZP_WORD:10 7.333333333333333
-(byte*) multiply_tables_compare::asm_sqr#2 asm_sqr zp ZP_WORD:10 8.25
+(byte*) multiply_tables_compare::asm_sqr#1 asm_sqr zp ZP_WORD:8 7.333333333333333
+(byte*) multiply_tables_compare::asm_sqr#2 asm_sqr zp ZP_WORD:8 8.25
 (byte*) multiply_tables_compare::kc_sqr
-(byte*) multiply_tables_compare::kc_sqr#1 kc_sqr zp ZP_WORD:4 16.5
-(byte*) multiply_tables_compare::kc_sqr#2 kc_sqr zp ZP_WORD:4 3.666666666666667
+(byte*) multiply_tables_compare::kc_sqr#1 kc_sqr zp ZP_WORD:16 16.5
+(byte*) multiply_tables_compare::kc_sqr#2 kc_sqr zp ZP_WORD:16 3.666666666666667
 (const string) multiply_tables_compare::str str = (string) "multiply table mismatch at @"
 (const string) multiply_tables_compare::str1 str1 = (string) " / @"
 (const string) multiply_tables_compare::str2 str2 = (string) "multiply tables match!@"
@@ -10607,8 +10580,8 @@ FINAL SYMBOL TABLE
 (label) print_cls::@1
 (label) print_cls::@return
 (byte*) print_cls::sc
-(byte*) print_cls::sc#1 sc zp ZP_WORD:4 16.5
-(byte*) print_cls::sc#2 sc zp ZP_WORD:4 16.5
+(byte*) print_cls::sc#1 sc zp ZP_WORD:30 16.5
+(byte*) print_cls::sc#2 sc zp ZP_WORD:30 16.5
 (void()) print_ln()
 (label) print_ln::@1
 (label) print_ln::@return
@@ -10637,21 +10610,21 @@ FINAL SYMBOL TABLE
 (label) print_sword::@4
 (label) print_sword::@return
 (signed word) print_sword::w
-(signed word) print_sword::w#0 w zp ZP_WORD:6 4.0
-(signed word) print_sword::w#1 w zp ZP_WORD:6 4.0
-(signed word) print_sword::w#2 w zp ZP_WORD:6 4.0
-(signed word) print_sword::w#3 w zp ZP_WORD:6 2.5
-(signed word) print_sword::w#4 w zp ZP_WORD:6 4.0
+(signed word) print_sword::w#0 w zp ZP_WORD:8 4.0
+(signed word) print_sword::w#1 w zp ZP_WORD:8 4.0
+(signed word) print_sword::w#2 w zp ZP_WORD:8 4.0
+(signed word) print_sword::w#3 w zp ZP_WORD:8 2.5
+(signed word) print_sword::w#4 w zp ZP_WORD:8 4.0
 (void()) print_word((word) print_word::w)
 (label) print_word::@1
 (label) print_word::@return
 (word) print_word::w
-(word~) print_word::w#10 w zp ZP_WORD:6 4.0
-(word~) print_word::w#11 w zp ZP_WORD:6 4.0
-(word) print_word::w#3 w zp ZP_WORD:6 4.0
-(word) print_word::w#4 w zp ZP_WORD:6 4.0
-(word) print_word::w#5 w zp ZP_WORD:6 4.666666666666666
-(word~) print_word::w#9 w zp ZP_WORD:6 4.0
+(word~) print_word::w#10 w zp ZP_WORD:8 4.0
+(word~) print_word::w#11 w zp ZP_WORD:8 4.0
+(word) print_word::w#3 w zp ZP_WORD:8 4.0
+(word) print_word::w#4 w zp ZP_WORD:8 4.0
+(word) print_word::w#5 w zp ZP_WORD:8 4.666666666666666
+(word~) print_word::w#9 w zp ZP_WORD:8 4.0
 (signed word()) signed_multiply((signed byte) signed_multiply::a , (signed byte) signed_multiply::b)
 (byte~) signed_multiply::$12 reg byte a 4.0
 (byte/signed byte/word/signed word/dword/signed dword~) signed_multiply::$16 reg byte a 4.0
@@ -10668,13 +10641,13 @@ FINAL SYMBOL TABLE
 (signed byte) signed_multiply::b
 (signed byte) signed_multiply::b#0 b zp ZP_BYTE:3 9.363636363636363
 (word) signed_multiply::m
-(word) signed_multiply::m#0 m zp ZP_WORD:6 2.0
-(word) signed_multiply::m#1 m zp ZP_WORD:6 4.0
-(word) signed_multiply::m#2 m zp ZP_WORD:6 4.0
-(word) signed_multiply::m#4 m zp ZP_WORD:6 1.3333333333333333
-(word) signed_multiply::m#5 m zp ZP_WORD:6 2.5
+(word) signed_multiply::m#0 m zp ZP_WORD:12 2.0
+(word) signed_multiply::m#1 m zp ZP_WORD:12 4.0
+(word) signed_multiply::m#2 m zp ZP_WORD:12 4.0
+(word) signed_multiply::m#4 m zp ZP_WORD:12 1.3333333333333333
+(word) signed_multiply::m#5 m zp ZP_WORD:12 2.5
 (signed word) signed_multiply::return
-(signed word) signed_multiply::return#2 return zp ZP_WORD:6 202.0
+(signed word) signed_multiply::return#2 return zp ZP_WORD:12 202.0
 (void()) signed_multiply_error((signed byte) signed_multiply_error::a , (signed byte) signed_multiply_error::b , (signed word) signed_multiply_error::ms , (signed word) signed_multiply_error::ma)
 (label) signed_multiply_error::@1
 (label) signed_multiply_error::@2
@@ -10688,11 +10661,11 @@ FINAL SYMBOL TABLE
 (signed byte) signed_multiply_error::a
 (signed byte) signed_multiply_error::a#0 reg byte x 0.6666666666666666
 (signed byte) signed_multiply_error::b
-(signed byte) signed_multiply_error::b#0 b zp ZP_BYTE:2 0.4444444444444444
+(signed byte) signed_multiply_error::b#0 b zp ZP_BYTE:3 0.4444444444444444
 (signed word) signed_multiply_error::ma
 (signed word) signed_multiply_error::ma#0 ma zp ZP_WORD:12 0.26666666666666666
 (signed word) signed_multiply_error::ms
-(signed word) signed_multiply_error::ms#0 ms zp ZP_WORD:10 0.3333333333333333
+(signed word) signed_multiply_error::ms#0 ms zp ZP_WORD:8 0.3333333333333333
 (const string) signed_multiply_error::str str = (string) "signed multiply mismatch @"
 (const string) signed_multiply_error::str1 str1 = (string) "*@"
 (const string) signed_multiply_error::str2 str2 = (string) " slow:@"
@@ -10715,7 +10688,7 @@ FINAL SYMBOL TABLE
 (signed byte) signed_multiply_results_compare::b#1 b zp ZP_BYTE:3 151.5
 (signed byte) signed_multiply_results_compare::b#2 b zp ZP_BYTE:3 29.0
 (signed word) signed_multiply_results_compare::ma
-(signed word) signed_multiply_results_compare::ma#0 ma zp ZP_WORD:6 34.0
+(signed word) signed_multiply_results_compare::ma#0 ma zp ZP_WORD:12 34.0
 (signed word) signed_multiply_results_compare::ms
 (signed word) signed_multiply_results_compare::ms#0 ms zp ZP_WORD:8 20.4
 (const string) signed_multiply_results_compare::str str = (string) "signed multiply results match!@"
@@ -10724,18 +10697,18 @@ FINAL SYMBOL TABLE
 (label) slow_multiply::@2
 (label) slow_multiply::@return
 (byte) slow_multiply::a
-(byte) slow_multiply::a#0 a zp ZP_BYTE:2 157.71428571428572
+(byte) slow_multiply::a#0 a zp ZP_BYTE:14 157.71428571428572
 (byte) slow_multiply::b
 (byte) slow_multiply::b#0 reg byte x 183.66666666666669
 (byte) slow_multiply::i
 (byte) slow_multiply::i#1 reg byte y 1501.5
 (byte) slow_multiply::i#2 reg byte y 1001.0
 (word) slow_multiply::m
-(word) slow_multiply::m#1 m zp ZP_WORD:6 1001.0
-(word) slow_multiply::m#3 m zp ZP_WORD:6 2002.0
+(word) slow_multiply::m#1 m zp ZP_WORD:8 1001.0
+(word) slow_multiply::m#3 m zp ZP_WORD:8 2002.0
 (word) slow_multiply::return
-(word) slow_multiply::return#0 return zp ZP_WORD:6 367.33333333333337
-(word) slow_multiply::return#2 return zp ZP_WORD:6 202.0
+(word) slow_multiply::return#0 return zp ZP_WORD:8 367.33333333333337
+(word) slow_multiply::return#2 return zp ZP_WORD:8 202.0
 (signed word()) slow_signed_multiply((signed byte) slow_signed_multiply::a , (signed byte) slow_signed_multiply::b)
 (label) slow_signed_multiply::@1
 (label) slow_signed_multiply::@2
@@ -10753,34 +10726,45 @@ FINAL SYMBOL TABLE
 (signed byte) slow_signed_multiply::j#1 reg byte y 1501.5
 (signed byte) slow_signed_multiply::j#2 reg byte y 1001.0
 (signed word) slow_signed_multiply::m
-(signed word) slow_signed_multiply::m#1 m zp ZP_WORD:6 1001.0
-(signed word) slow_signed_multiply::m#2 m zp ZP_WORD:6 1001.0
-(signed word) slow_signed_multiply::m#3 m zp ZP_WORD:6 2002.0
-(signed word) slow_signed_multiply::m#5 m zp ZP_WORD:6 2002.0
+(signed word) slow_signed_multiply::m#1 m zp ZP_WORD:8 1001.0
+(signed word) slow_signed_multiply::m#2 m zp ZP_WORD:8 1001.0
+(signed word) slow_signed_multiply::m#3 m zp ZP_WORD:8 2002.0
+(signed word) slow_signed_multiply::m#5 m zp ZP_WORD:8 2002.0
 (signed word) slow_signed_multiply::return
-(signed word) slow_signed_multiply::return#0 return zp ZP_WORD:6 701.0
-(signed word) slow_signed_multiply::return#2 return zp ZP_WORD:6 202.0
+(signed word) slow_signed_multiply::return#0 return zp ZP_WORD:8 701.0
+(signed word) slow_signed_multiply::return#2 return zp ZP_WORD:8 202.0
 
-zp ZP_BYTE:2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::a#1 multiply_results_compare::a#6 multiply_results_compare::a#1 init_multiply::x_2#3 init_multiply::x_2#2 init_multiply::x_2#1 init_multiply::dir#2 init_multiply::dir#3 slow_signed_multiply::a#0 signed_multiply_error::b#0 slow_multiply::a#0 multiply_error::b#0 ]
-zp ZP_BYTE:3 [ signed_multiply_results_compare::b#2 signed_multiply_results_compare::b#1 multiply_results_compare::b#2 multiply_results_compare::b#1 signed_multiply::b#0 ]
-zp ZP_WORD:4 [ line_cursor#20 line_cursor#40 line_cursor#27 line_cursor#1 multiply_tables_compare::kc_sqr#2 multiply_tables_compare::kc_sqr#1 init_multiply::sqr1_lo#2 init_multiply::sqr1_lo#1 init_multiply::sqr2_lo#2 init_multiply::sqr2_lo#1 print_cls::sc#2 print_cls::sc#1 ]
-zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 init_multiply::sqr2_hi#2 init_multiply::sqr2_hi#1 slow_signed_multiply::return#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 multiply::return#2 multiply::return#0 slow_multiply::return#2 multiply::return#3 multiply_results_compare::ma#0 ]
+zp ZP_BYTE:2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::a#1 slow_signed_multiply::a#0 ]
+zp ZP_BYTE:3 [ signed_multiply_results_compare::b#2 signed_multiply_results_compare::b#1 signed_multiply::b#0 signed_multiply_error::b#0 ]
+zp ZP_WORD:4 [ line_cursor#20 line_cursor#40 line_cursor#27 line_cursor#1 ]
+zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 ]
+zp ZP_WORD:8 [ print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 signed_multiply_error::ms#0 signed_multiply_results_compare::ms#0 slow_signed_multiply::return#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 multiply_error::ms#0 multiply_results_compare::ms#0 slow_multiply::return#2 slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 ]
 reg byte x [ print_byte::b#5 print_byte::b#3 print_byte::b#4 print_byte::b#9 print_byte::b#1 print_byte::b#2 ]
 reg byte a [ print_char::ch#4 print_char::ch#2 print_char::ch#3 ]
-zp ZP_WORD:8 [ char_cursor#75 char_cursor#124 char_cursor#123 char_cursor#119 char_cursor#135 char_cursor#27 char_cursor#118 char_cursor#17 char_cursor#117 char_cursor#172 char_cursor#176 char_cursor#1 char_cursor#121 char_cursor#197 init_multiply::sqr#3 init_multiply::sqr#4 init_multiply::sqr#1 init_multiply::sqr#2 signed_multiply_results_compare::ms#0 ]
+zp ZP_WORD:10 [ char_cursor#75 char_cursor#124 char_cursor#123 char_cursor#119 char_cursor#135 char_cursor#27 char_cursor#118 char_cursor#17 char_cursor#117 char_cursor#172 char_cursor#176 char_cursor#1 char_cursor#121 char_cursor#197 ]
 reg byte x [ print_sbyte::b#4 print_sbyte::b#3 print_sbyte::b#1 print_sbyte::b#2 print_sbyte::b#0 ]
+zp ZP_WORD:12 [ signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 signed_multiply_error::ma#0 multiply::return#2 multiply::return#0 multiply::return#3 multiply_results_compare::ma#0 multiply_error::ma#0 ]
 reg byte a [ multiply::a#2 multiply::a#1 multiply::a#4 ]
 reg byte x [ multiply::b#2 multiply::b#1 multiply::b#4 ]
 reg byte y [ slow_signed_multiply::i#2 slow_signed_multiply::i#1 ]
 reg byte y [ slow_signed_multiply::j#2 slow_signed_multiply::j#1 ]
+zp ZP_BYTE:14 [ multiply_results_compare::a#6 multiply_results_compare::a#1 slow_multiply::a#0 ]
+zp ZP_BYTE:15 [ multiply_results_compare::b#2 multiply_results_compare::b#1 multiply_error::b#0 ]
 reg byte y [ slow_multiply::i#2 slow_multiply::i#1 ]
-zp ZP_WORD:10 [ multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 signed_multiply_error::ms#0 multiply_results_compare::ms#0 multiply_error::ms#0 ]
+zp ZP_WORD:16 [ multiply_tables_compare::kc_sqr#2 multiply_tables_compare::kc_sqr#1 ]
 reg byte x [ init_multiply::c#2 init_multiply::c#1 ]
+zp ZP_WORD:18 [ init_multiply::sqr1_lo#2 init_multiply::sqr1_lo#1 ]
+zp ZP_WORD:20 [ init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 ]
+zp ZP_BYTE:22 [ init_multiply::x_2#3 init_multiply::x_2#2 init_multiply::x_2#1 ]
+zp ZP_WORD:23 [ init_multiply::sqr#3 init_multiply::sqr#4 init_multiply::sqr#1 init_multiply::sqr#2 ]
 reg byte x [ init_multiply::x_255#2 init_multiply::x_255#1 ]
+zp ZP_WORD:25 [ init_multiply::sqr2_lo#2 init_multiply::sqr2_lo#1 ]
+zp ZP_WORD:27 [ init_multiply::sqr2_hi#2 init_multiply::sqr2_hi#1 ]
+zp ZP_BYTE:29 [ init_multiply::dir#2 init_multiply::dir#3 ]
+zp ZP_WORD:30 [ print_cls::sc#2 print_cls::sc#1 ]
 reg byte x [ slow_signed_multiply::b#0 ]
 reg byte y [ signed_multiply::a#0 ]
 reg byte x [ signed_multiply_error::a#0 ]
-zp ZP_WORD:12 [ signed_multiply_error::ma#0 multiply_error::ma#0 ]
 reg byte a [ print_byte::$0 ]
 reg byte a [ print_byte::$2 ]
 reg byte a [ signed_multiply::$6 ]
@@ -10795,7 +10779,7 @@ reg byte a [ init_multiply::$6 ]
 
 
 FINAL ASSEMBLER
-Score: 161070
+Score: 158586
 
 //SEG0 Basic Upstart
 .pc = $801 "Basic"
@@ -10803,7 +10787,7 @@ Score: 161070
 .pc = $80d "Program"
 //SEG1 Global Constants & labels
   .label BGCOL = $d021
-  .label char_cursor = 8
+  .label char_cursor = $a
   .label line_cursor = 4
 //SEG2 @begin
 //SEG3 [1] phi from @begin to @20 [phi:@begin->@20]
@@ -10851,7 +10835,7 @@ main: {
 //SEG33 signed_multiply_results_compare
 signed_multiply_results_compare: {
     .label ms = 8
-    .label ma = 6
+    .label ma = $c
     .label b = 3
     .label a = 2
   //SEG34 [18] phi from signed_multiply_results_compare to signed_multiply_results_compare::@1 [phi:signed_multiply_results_compare->signed_multiply_results_compare::@1]
@@ -10877,13 +10861,10 @@ signed_multiply_results_compare: {
   //SEG46 [22] call slow_signed_multiply param-assignment [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 slow_signed_multiply::return#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 slow_signed_multiply::return#0 line_cursor#1 ] )
     jsr slow_signed_multiply
   //SEG47 [23] (signed word) slow_signed_multiply::return#2 ← (signed word) slow_signed_multiply::return#0 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 slow_signed_multiply::return#2 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 slow_signed_multiply::return#2 line_cursor#1 ] )
-    // (signed word) slow_signed_multiply::return#2 = (signed word) slow_signed_multiply::return#0  // register copy zp ZP_WORD:6
+    // (signed word) slow_signed_multiply::return#2 = (signed word) slow_signed_multiply::return#0  // register copy zp ZP_WORD:8
   //SEG48 signed_multiply_results_compare::@8
-  //SEG49 [24] (signed word) signed_multiply_results_compare::ms#0 ← (signed word) slow_signed_multiply::return#2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 ] ) -- vwsz1=vwsz2 
-    lda slow_signed_multiply.return
-    sta ms
-    lda slow_signed_multiply.return+1
-    sta ms+1
+  //SEG49 [24] (signed word) signed_multiply_results_compare::ms#0 ← (signed word) slow_signed_multiply::return#2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 ] )
+    // (signed word) signed_multiply_results_compare::ms#0 = (signed word) slow_signed_multiply::return#2  // register copy zp ZP_WORD:8
   //SEG50 [25] (signed byte) signed_multiply::a#0 ← (signed byte) signed_multiply_results_compare::a#6 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::a#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::a#0 line_cursor#1 ] ) -- vbsyy=vbsz1 
     ldy a
   //SEG51 [26] (signed byte) signed_multiply::b#0 ← (signed byte) signed_multiply_results_compare::b#2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::a#0 signed_multiply::b#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::a#0 signed_multiply::b#0 line_cursor#1 ] )
@@ -10891,10 +10872,10 @@ signed_multiply_results_compare: {
   //SEG52 [27] call signed_multiply param-assignment [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::m#4 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::m#4 line_cursor#1 ] )
     jsr signed_multiply
   //SEG53 [28] (signed word) signed_multiply::return#2 ← (signed word)(word) signed_multiply::m#4 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::return#2 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply::return#2 line_cursor#1 ] )
-    // (signed word) signed_multiply::return#2 = (signed word)(word) signed_multiply::m#4  // register copy zp ZP_WORD:6
+    // (signed word) signed_multiply::return#2 = (signed word)(word) signed_multiply::m#4  // register copy zp ZP_WORD:12
   //SEG54 signed_multiply_results_compare::@9
   //SEG55 [29] (signed word) signed_multiply_results_compare::ma#0 ← (signed word) signed_multiply::return#2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 line_cursor#1 ] )
-    // (signed word) signed_multiply_results_compare::ma#0 = (signed word) signed_multiply::return#2  // register copy zp ZP_WORD:6
+    // (signed word) signed_multiply_results_compare::ma#0 = (signed word) signed_multiply::return#2  // register copy zp ZP_WORD:12
   //SEG56 [30] if((signed word) signed_multiply_results_compare::ms#0==(signed word) signed_multiply_results_compare::ma#0) goto signed_multiply_results_compare::@3 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 line_cursor#1 ] ) -- vwsz1_eq_vwsz2_then_la1 
     lda ms
     cmp ma
@@ -10909,19 +10890,12 @@ signed_multiply_results_compare: {
     sta BGCOL
   //SEG59 [32] (signed byte) signed_multiply_error::a#0 ← (signed byte) signed_multiply_results_compare::a#6 [ signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 line_cursor#1 ] ) -- vbsxx=vbsz1 
     ldx a
-  //SEG60 [33] (signed byte) signed_multiply_error::b#0 ← (signed byte) signed_multiply_results_compare::b#2 [ signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 line_cursor#1 ] ) -- vbsz1=vbsz2 
-    lda b
-    sta signed_multiply_error.b
-  //SEG61 [34] (signed word) signed_multiply_error::ms#0 ← (signed word) signed_multiply_results_compare::ms#0 [ signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 line_cursor#1 ] ) -- vwsz1=vwsz2 
-    lda ms
-    sta signed_multiply_error.ms
-    lda ms+1
-    sta signed_multiply_error.ms+1
-  //SEG62 [35] (signed word) signed_multiply_error::ma#0 ← (signed word) signed_multiply_results_compare::ma#0 [ signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 signed_multiply_error::ma#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 signed_multiply_error::ma#0 line_cursor#1 ] ) -- vwsz1=vwsz2 
-    lda ma
-    sta signed_multiply_error.ma
-    lda ma+1
-    sta signed_multiply_error.ma+1
+  //SEG60 [33] (signed byte) signed_multiply_error::b#0 ← (signed byte) signed_multiply_results_compare::b#2 [ signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::ms#0 signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 line_cursor#1 ] )
+    // (signed byte) signed_multiply_error::b#0 = (signed byte) signed_multiply_results_compare::b#2  // register copy zp ZP_BYTE:3
+  //SEG61 [34] (signed word) signed_multiply_error::ms#0 ← (signed word) signed_multiply_results_compare::ms#0 [ signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_results_compare::ma#0 signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 line_cursor#1 ] )
+    // (signed word) signed_multiply_error::ms#0 = (signed word) signed_multiply_results_compare::ms#0  // register copy zp ZP_WORD:8
+  //SEG62 [35] (signed word) signed_multiply_error::ma#0 ← (signed word) signed_multiply_results_compare::ma#0 [ signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 signed_multiply_error::ma#0 line_cursor#1 ] ( main:2::signed_multiply_results_compare:15 [ signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 signed_multiply_error::ma#0 line_cursor#1 ] )
+    // (signed word) signed_multiply_error::ma#0 = (signed word) signed_multiply_results_compare::ma#0  // register copy zp ZP_WORD:12
   //SEG63 [36] call signed_multiply_error param-assignment [ ] ( main:2::signed_multiply_results_compare:15 [ ] )
     jsr signed_multiply_error
   //SEG64 signed_multiply_results_compare::@return
@@ -11031,8 +11005,8 @@ print_str: {
 }
 //SEG104 signed_multiply_error
 signed_multiply_error: {
-    .label b = 2
-    .label ms = $a
+    .label b = 3
+    .label ms = 8
     .label ma = $c
   //SEG105 [58] (byte*~) char_cursor#172 ← (byte*) line_cursor#1 [ signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 signed_multiply_error::ma#0 line_cursor#1 char_cursor#172 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36 [ signed_multiply_error::a#0 signed_multiply_error::b#0 signed_multiply_error::ms#0 signed_multiply_error::ma#0 line_cursor#1 char_cursor#172 ] ) -- pbuz1=pbuz2 
     lda line_cursor
@@ -11085,11 +11059,8 @@ signed_multiply_error: {
     sta print_str.str+1
     jsr print_str
   //SEG132 signed_multiply_error::@5
-  //SEG133 [68] (signed word) print_sword::w#1 ← (signed word) signed_multiply_error::ms#0 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#117 print_sword::w#1 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#117 print_sword::w#1 ] ) -- vwsz1=vwsz2 
-    lda ms
-    sta print_sword.w
-    lda ms+1
-    sta print_sword.w+1
+  //SEG133 [68] (signed word) print_sword::w#1 ← (signed word) signed_multiply_error::ms#0 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#117 print_sword::w#1 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#117 print_sword::w#1 ] )
+    // (signed word) print_sword::w#1 = (signed word) signed_multiply_error::ms#0  // register copy zp ZP_WORD:8
   //SEG134 [69] call print_sword param-assignment [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#17 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#17 ] )
   //SEG135 [77] phi from signed_multiply_error::@5 to print_sword [phi:signed_multiply_error::@5->print_sword]
   //SEG136 [77] phi (signed word) print_sword::w#3 = (signed word) print_sword::w#1 [phi:signed_multiply_error::@5->print_sword#0] -- register_copy 
@@ -11132,7 +11103,7 @@ signed_multiply_error: {
 }
 //SEG156 print_sword
 print_sword: {
-    .label w = 6
+    .label w = 8
   //SEG157 [78] if((signed word) print_sword::w#3>=(byte/signed byte/word/signed word/dword/signed dword) 0) goto print_sword::@1 [ char_cursor#117 print_sword::w#3 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:69 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#117 print_sword::w#3 ] main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:73 [ line_cursor#1 char_cursor#117 print_sword::w#3 ] ) -- vwsz1_ge_0_then_la1 
     lda w+1
     bpl b1
@@ -11161,7 +11132,7 @@ print_sword: {
   //SEG169 print_sword::@1
   b1:
   //SEG170 [83] (word~) print_word::w#11 ← (word)(signed word) print_sword::w#4 [ char_cursor#119 print_word::w#11 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:69 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#119 print_word::w#11 ] main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:73 [ line_cursor#1 char_cursor#119 print_word::w#11 ] )
-    // (word~) print_word::w#11 = (word)(signed word) print_sword::w#4  // register copy zp ZP_WORD:6
+    // (word~) print_word::w#11 = (word)(signed word) print_sword::w#4  // register copy zp ZP_WORD:8
   //SEG171 [84] call print_word param-assignment [ char_cursor#17 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:69 [ signed_multiply_error::ma#0 line_cursor#1 char_cursor#17 ] main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:73 [ line_cursor#1 char_cursor#17 ] )
   //SEG172 [86] phi from print_sword::@1 to print_word [phi:print_sword::@1->print_word]
   //SEG173 [86] phi (byte*) char_cursor#123 = (byte*) char_cursor#119 [phi:print_sword::@1->print_word#0] -- register_copy 
@@ -11173,7 +11144,7 @@ print_sword: {
 }
 //SEG177 print_word
 print_word: {
-    .label w = 6
+    .label w = 8
   //SEG178 [87] (byte) print_byte::b#1 ← > (word) print_word::w#5 [ print_word::w#5 char_cursor#123 print_byte::b#1 ] ( main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:69::print_word:84 [ signed_multiply_error::ma#0 line_cursor#1 print_word::w#5 char_cursor#123 print_byte::b#1 ] main:2::signed_multiply_results_compare:15::signed_multiply_error:36::print_sword:73::print_word:84 [ line_cursor#1 print_word::w#5 char_cursor#123 print_byte::b#1 ] main:2::multiply_results_compare:13::multiply_error:166::print_word:187 [ line_cursor#27 multiply_error::ma#0 print_word::w#5 char_cursor#123 print_byte::b#1 ] main:2::multiply_results_compare:13::multiply_error:166::print_word:191 [ line_cursor#27 print_word::w#5 char_cursor#123 print_byte::b#1 ] main:2::multiply_tables_compare:11::print_word:208 [ multiply_tables_compare::kc_sqr#2 print_word::w#5 char_cursor#123 print_byte::b#1 ] main:2::multiply_tables_compare:11::print_word:212 [ print_word::w#5 char_cursor#123 print_byte::b#1 ] ) -- vbuxx=_hi_vwuz1 
     lda w+1
     tax
@@ -11280,9 +11251,9 @@ print_sbyte: {
 }
 //SEG233 signed_multiply
 signed_multiply: {
-    .label m = 6
+    .label m = $c
     .label b = 3
-    .label return = 6
+    .label return = $c
   //SEG234 [113] (byte~) multiply::a#4 ← (byte)(signed byte) signed_multiply::a#0 [ signed_multiply::a#0 signed_multiply::b#0 multiply::a#4 ] ( main:2::signed_multiply_results_compare:15::signed_multiply:27 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 signed_multiply::a#0 signed_multiply::b#0 multiply::a#4 ] ) -- vbuaa=vbuyy 
     tya
   //SEG235 [114] (byte~) multiply::b#4 ← (byte)(signed byte) signed_multiply::b#0 [ signed_multiply::a#0 signed_multiply::b#0 multiply::a#4 multiply::b#4 ] ( main:2::signed_multiply_results_compare:15::signed_multiply:27 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 signed_multiply::a#0 signed_multiply::b#0 multiply::a#4 multiply::b#4 ] ) -- vbuxx=vbuz1 
@@ -11293,10 +11264,10 @@ signed_multiply: {
   //SEG239 [129] phi (byte) multiply::a#2 = (byte~) multiply::a#4 [phi:signed_multiply->multiply#1] -- register_copy 
     jsr multiply
   //SEG240 [116] (word) multiply::return#2 ← (word) multiply::return#0 [ signed_multiply::a#0 signed_multiply::b#0 multiply::return#2 ] ( main:2::signed_multiply_results_compare:15::signed_multiply:27 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 signed_multiply::a#0 signed_multiply::b#0 multiply::return#2 ] )
-    // (word) multiply::return#2 = (word) multiply::return#0  // register copy zp ZP_WORD:6
+    // (word) multiply::return#2 = (word) multiply::return#0  // register copy zp ZP_WORD:12
   //SEG241 signed_multiply::@6
   //SEG242 [117] (word) signed_multiply::m#0 ← (word) multiply::return#2 [ signed_multiply::a#0 signed_multiply::b#0 signed_multiply::m#0 ] ( main:2::signed_multiply_results_compare:15::signed_multiply:27 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 signed_multiply::a#0 signed_multiply::b#0 signed_multiply::m#0 ] )
-    // (word) signed_multiply::m#0 = (word) multiply::return#2  // register copy zp ZP_WORD:6
+    // (word) signed_multiply::m#0 = (word) multiply::return#2  // register copy zp ZP_WORD:12
   //SEG243 [118] if((signed byte) signed_multiply::a#0>=(byte/signed byte/word/signed word/dword/signed dword) 0) goto signed_multiply::@1 [ signed_multiply::a#0 signed_multiply::b#0 signed_multiply::m#0 ] ( main:2::signed_multiply_results_compare:15::signed_multiply:27 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 signed_multiply::a#0 signed_multiply::b#0 signed_multiply::m#0 ] ) -- vbsyy_ge_0_then_la1 
     cpy #0
     bpl b1
@@ -11337,7 +11308,7 @@ signed_multiply: {
 multiply: {
     .label memA = $fe
     .label memB = $ff
-    .label return = 6
+    .label return = $c
   //SEG262 [130] *((const byte*) multiply::memA#0) ← (byte) multiply::a#2 [ multiply::b#2 ] ( main:2::signed_multiply_results_compare:15::signed_multiply:27::multiply:115 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 signed_multiply::a#0 signed_multiply::b#0 multiply::b#2 ] main:2::multiply_results_compare:13::multiply:157 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply::b#2 ] ) -- _deref_pbuc1=vbuaa 
     sta memA
   //SEG263 [131] *((const byte*) multiply::memB#0) ← (byte) multiply::b#2 [ ] ( main:2::signed_multiply_results_compare:15::signed_multiply:27::multiply:115 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 signed_multiply_results_compare::ms#0 line_cursor#1 signed_multiply::a#0 signed_multiply::b#0 ] main:2::multiply_results_compare:13::multiply:157 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ) -- _deref_pbuc1=vbuxx 
@@ -11370,8 +11341,8 @@ multiply: {
 }
 //SEG268 slow_signed_multiply
 slow_signed_multiply: {
-    .label m = 6
-    .label return = 6
+    .label m = 8
+    .label return = 8
     .label a = 2
   //SEG269 [135] if((signed byte) slow_signed_multiply::a#0>=(byte/signed byte/word/signed word/dword/signed dword) 0) goto slow_signed_multiply::@1 [ slow_signed_multiply::a#0 slow_signed_multiply::b#0 ] ( main:2::signed_multiply_results_compare:15::slow_signed_multiply:22 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::b#2 line_cursor#1 slow_signed_multiply::a#0 slow_signed_multiply::b#0 ] ) -- vbsz1_ge_0_then_la1 
     lda a
@@ -11465,10 +11436,10 @@ slow_signed_multiply: {
 }
 //SEG299 multiply_results_compare
 multiply_results_compare: {
-    .label ms = $a
-    .label ma = 6
-    .label b = 3
-    .label a = 2
+    .label ms = 8
+    .label ma = $c
+    .label b = $f
+    .label a = $e
   //SEG300 [148] phi from multiply_results_compare to multiply_results_compare::@1 [phi:multiply_results_compare->multiply_results_compare::@1]
   //SEG301 [148] phi (byte) multiply_results_compare::a#6 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:multiply_results_compare->multiply_results_compare::@1#0] -- vbuz1=vbuc1 
     lda #0
@@ -11486,19 +11457,16 @@ multiply_results_compare: {
   //SEG309 multiply_results_compare::@2
   b2:
   //SEG310 [150] (byte) slow_multiply::a#0 ← (byte) multiply_results_compare::a#6 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::a#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::a#0 ] )
-    // (byte) slow_multiply::a#0 = (byte) multiply_results_compare::a#6  // register copy zp ZP_BYTE:2
+    // (byte) slow_multiply::a#0 = (byte) multiply_results_compare::a#6  // register copy zp ZP_BYTE:14
   //SEG311 [151] (byte) slow_multiply::b#0 ← (byte) multiply_results_compare::b#2 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::a#0 slow_multiply::b#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::a#0 slow_multiply::b#0 ] ) -- vbuxx=vbuz1 
     ldx b
   //SEG312 [152] call slow_multiply param-assignment [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::return#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::return#0 ] )
     jsr slow_multiply
   //SEG313 [153] (word) slow_multiply::return#2 ← (word) slow_multiply::return#0 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::return#2 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::return#2 ] )
-    // (word) slow_multiply::return#2 = (word) slow_multiply::return#0  // register copy zp ZP_WORD:6
+    // (word) slow_multiply::return#2 = (word) slow_multiply::return#0  // register copy zp ZP_WORD:8
   //SEG314 multiply_results_compare::@8
-  //SEG315 [154] (word) multiply_results_compare::ms#0 ← (word) slow_multiply::return#2 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ) -- vwuz1=vwuz2 
-    lda slow_multiply.return
-    sta ms
-    lda slow_multiply.return+1
-    sta ms+1
+  //SEG315 [154] (word) multiply_results_compare::ms#0 ← (word) slow_multiply::return#2 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] )
+    // (word) multiply_results_compare::ms#0 = (word) slow_multiply::return#2  // register copy zp ZP_WORD:8
   //SEG316 [155] (byte) multiply::a#1 ← (byte) multiply_results_compare::a#6 [ line_cursor#27 char_cursor#27 multiply::a#1 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply::a#1 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ) -- vbuaa=vbuz1 
     lda a
   //SEG317 [156] (byte) multiply::b#1 ← (byte) multiply_results_compare::b#2 [ line_cursor#27 char_cursor#27 multiply::a#1 multiply::b#1 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply::a#1 multiply::b#1 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 ] ) -- vbuxx=vbuz1 
@@ -11509,10 +11477,10 @@ multiply_results_compare: {
   //SEG321 [129] phi (byte) multiply::a#2 = (byte) multiply::a#1 [phi:multiply_results_compare::@8->multiply#1] -- register_copy 
     jsr multiply
   //SEG322 [158] (word) multiply::return#3 ← (word) multiply::return#0 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply::return#3 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply::return#3 ] )
-    // (word) multiply::return#3 = (word) multiply::return#0  // register copy zp ZP_WORD:6
+    // (word) multiply::return#3 = (word) multiply::return#0  // register copy zp ZP_WORD:12
   //SEG323 multiply_results_compare::@9
   //SEG324 [159] (word) multiply_results_compare::ma#0 ← (word) multiply::return#3 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply_results_compare::ma#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply_results_compare::ma#0 ] )
-    // (word) multiply_results_compare::ma#0 = (word) multiply::return#3  // register copy zp ZP_WORD:6
+    // (word) multiply_results_compare::ma#0 = (word) multiply::return#3  // register copy zp ZP_WORD:12
   //SEG325 [160] if((word) multiply_results_compare::ms#0==(word) multiply_results_compare::ma#0) goto multiply_results_compare::@3 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply_results_compare::ma#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply_results_compare::ma#0 ] ) -- vwuz1_eq_vwuz2_then_la1 
     lda ms
     cmp ma
@@ -11527,16 +11495,12 @@ multiply_results_compare: {
     sta BGCOL
   //SEG328 [162] (byte) multiply_error::a#0 ← (byte) multiply_results_compare::a#6 [ line_cursor#27 char_cursor#27 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply_results_compare::ma#0 multiply_error::a#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::b#2 multiply_results_compare::ms#0 multiply_results_compare::ma#0 multiply_error::a#0 ] ) -- vbuxx=vbuz1 
     ldx a
-  //SEG329 [163] (byte) multiply_error::b#0 ← (byte) multiply_results_compare::b#2 [ line_cursor#27 char_cursor#27 multiply_results_compare::ms#0 multiply_results_compare::ma#0 multiply_error::a#0 multiply_error::b#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::ms#0 multiply_results_compare::ma#0 multiply_error::a#0 multiply_error::b#0 ] ) -- vbuz1=vbuz2 
-    lda b
-    sta multiply_error.b
+  //SEG329 [163] (byte) multiply_error::b#0 ← (byte) multiply_results_compare::b#2 [ line_cursor#27 char_cursor#27 multiply_results_compare::ms#0 multiply_results_compare::ma#0 multiply_error::a#0 multiply_error::b#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::ms#0 multiply_results_compare::ma#0 multiply_error::a#0 multiply_error::b#0 ] )
+    // (byte) multiply_error::b#0 = (byte) multiply_results_compare::b#2  // register copy zp ZP_BYTE:15
   //SEG330 [164] (word) multiply_error::ms#0 ← (word) multiply_results_compare::ms#0 [ line_cursor#27 char_cursor#27 multiply_results_compare::ma#0 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_results_compare::ma#0 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 ] )
-    // (word) multiply_error::ms#0 = (word) multiply_results_compare::ms#0  // register copy zp ZP_WORD:10
-  //SEG331 [165] (word) multiply_error::ma#0 ← (word) multiply_results_compare::ma#0 [ line_cursor#27 char_cursor#27 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 multiply_error::ma#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 multiply_error::ma#0 ] ) -- vwuz1=vwuz2 
-    lda ma
-    sta multiply_error.ma
-    lda ma+1
-    sta multiply_error.ma+1
+    // (word) multiply_error::ms#0 = (word) multiply_results_compare::ms#0  // register copy zp ZP_WORD:8
+  //SEG331 [165] (word) multiply_error::ma#0 ← (word) multiply_results_compare::ma#0 [ line_cursor#27 char_cursor#27 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 multiply_error::ma#0 ] ( main:2::multiply_results_compare:13 [ line_cursor#27 char_cursor#27 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 multiply_error::ma#0 ] )
+    // (word) multiply_error::ma#0 = (word) multiply_results_compare::ma#0  // register copy zp ZP_WORD:12
   //SEG332 [166] call multiply_error param-assignment [ line_cursor#1 ] ( main:2::multiply_results_compare:13 [ line_cursor#1 ] )
   //SEG333 [176] phi from multiply_results_compare::@4 to multiply_error [phi:multiply_results_compare::@4->multiply_error]
     jsr multiply_error
@@ -11580,8 +11544,8 @@ multiply_results_compare: {
 }
 //SEG354 multiply_error
 multiply_error: {
-    .label b = 2
-    .label ms = $a
+    .label b = $f
+    .label ms = 8
     .label ma = $c
   //SEG355 [177] call print_str param-assignment [ char_cursor#117 line_cursor#27 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 multiply_error::ma#0 ] ( main:2::multiply_results_compare:13::multiply_error:166 [ char_cursor#117 line_cursor#27 multiply_error::a#0 multiply_error::b#0 multiply_error::ms#0 multiply_error::ma#0 ] )
   //SEG356 [51] phi from multiply_error to print_str [phi:multiply_error->print_str]
@@ -11631,11 +11595,8 @@ multiply_error: {
     sta print_str.str+1
     jsr print_str
   //SEG383 multiply_error::@5
-  //SEG384 [186] (word) print_word::w#3 ← (word) multiply_error::ms#0 [ char_cursor#117 line_cursor#27 print_word::w#3 multiply_error::ma#0 ] ( main:2::multiply_results_compare:13::multiply_error:166 [ char_cursor#117 line_cursor#27 print_word::w#3 multiply_error::ma#0 ] ) -- vwuz1=vwuz2 
-    lda ms
-    sta print_word.w
-    lda ms+1
-    sta print_word.w+1
+  //SEG384 [186] (word) print_word::w#3 ← (word) multiply_error::ms#0 [ char_cursor#117 line_cursor#27 print_word::w#3 multiply_error::ma#0 ] ( main:2::multiply_results_compare:13::multiply_error:166 [ char_cursor#117 line_cursor#27 print_word::w#3 multiply_error::ma#0 ] )
+    // (word) print_word::w#3 = (word) multiply_error::ms#0  // register copy zp ZP_WORD:8
   //SEG385 [187] call print_word param-assignment [ char_cursor#17 line_cursor#27 multiply_error::ma#0 ] ( main:2::multiply_results_compare:13::multiply_error:166 [ char_cursor#17 line_cursor#27 multiply_error::ma#0 ] )
   //SEG386 [86] phi from multiply_error::@5 to print_word [phi:multiply_error::@5->print_word]
   //SEG387 [86] phi (byte*) char_cursor#123 = (byte*) char_cursor#117 [phi:multiply_error::@5->print_word#0] -- register_copy 
@@ -11680,9 +11641,9 @@ multiply_error: {
 }
 //SEG409 slow_multiply
 slow_multiply: {
-    .label return = 6
-    .label m = 6
-    .label a = 2
+    .label return = 8
+    .label m = 8
+    .label a = $e
   //SEG410 [195] if((byte) slow_multiply::a#0==(byte/signed byte/word/signed word/dword/signed dword) 0) goto slow_multiply::@1 [ slow_multiply::a#0 slow_multiply::b#0 ] ( main:2::multiply_results_compare:13::slow_multiply:152 [ line_cursor#27 char_cursor#27 multiply_results_compare::a#6 multiply_results_compare::b#2 slow_multiply::a#0 slow_multiply::b#0 ] ) -- vbuz1_eq_0_then_la1 
     lda a
     beq b3
@@ -11728,8 +11689,8 @@ slow_multiply: {
 }
 //SEG428 multiply_tables_compare
 multiply_tables_compare: {
-    .label asm_sqr = $a
-    .label kc_sqr = 4
+    .label asm_sqr = 8
+    .label kc_sqr = $10
   //SEG429 [203] phi from multiply_tables_compare to multiply_tables_compare::@1 [phi:multiply_tables_compare->multiply_tables_compare::@1]
   //SEG430 [203] phi (byte*) multiply_tables_compare::asm_sqr#2 = (const byte[512]) asm_mul_sqr1_lo#0 [phi:multiply_tables_compare->multiply_tables_compare::@1#0] -- pbuz1=pbuc1 
     lda #<asm_mul_sqr1_lo
@@ -11769,11 +11730,8 @@ multiply_tables_compare: {
     sta print_str.str+1
     jsr print_str
   //SEG443 multiply_tables_compare::@6
-  //SEG444 [207] (word~) print_word::w#9 ← (word)(byte*) multiply_tables_compare::asm_sqr#2 [ char_cursor#117 print_word::w#9 multiply_tables_compare::kc_sqr#2 ] ( main:2::multiply_tables_compare:11 [ char_cursor#117 print_word::w#9 multiply_tables_compare::kc_sqr#2 ] ) -- vwuz1=vwuz2 
-    lda asm_sqr
-    sta print_word.w
-    lda asm_sqr+1
-    sta print_word.w+1
+  //SEG444 [207] (word~) print_word::w#9 ← (word)(byte*) multiply_tables_compare::asm_sqr#2 [ char_cursor#117 print_word::w#9 multiply_tables_compare::kc_sqr#2 ] ( main:2::multiply_tables_compare:11 [ char_cursor#117 print_word::w#9 multiply_tables_compare::kc_sqr#2 ] )
+    // (word~) print_word::w#9 = (word)(byte*) multiply_tables_compare::asm_sqr#2  // register copy zp ZP_WORD:8
   //SEG445 [208] call print_word param-assignment [ char_cursor#17 multiply_tables_compare::kc_sqr#2 ] ( main:2::multiply_tables_compare:11 [ char_cursor#17 multiply_tables_compare::kc_sqr#2 ] )
   //SEG446 [86] phi from multiply_tables_compare::@6 to print_word [phi:multiply_tables_compare::@6->print_word]
   //SEG447 [86] phi (byte*) char_cursor#123 = (byte*) char_cursor#117 [phi:multiply_tables_compare::@6->print_word#0] -- register_copy 
@@ -11932,13 +11890,13 @@ init_multiply_asm: {
 }
 //SEG494 init_multiply
 init_multiply: {
-    .label sqr1_hi = 6
-    .label sqr = 8
-    .label sqr1_lo = 4
-    .label x_2 = 2
-    .label sqr2_hi = 6
-    .label sqr2_lo = 4
-    .label dir = 2
+    .label sqr1_hi = $14
+    .label sqr = $17
+    .label sqr1_lo = $12
+    .label x_2 = $16
+    .label sqr2_hi = $1b
+    .label sqr2_lo = $19
+    .label dir = $1d
   //SEG495 [230] phi from init_multiply to init_multiply::@1 [phi:init_multiply->init_multiply::@1]
   //SEG496 [230] phi (byte) init_multiply::x_2#3 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:init_multiply->init_multiply::@1#0] -- vbuz1=vbuc1 
     lda #0
@@ -12100,7 +12058,7 @@ init_multiply: {
 }
 //SEG556 print_cls
 print_cls: {
-    .label sc = 4
+    .label sc = $1e
   //SEG557 [259] phi from print_cls to print_cls::@1 [phi:print_cls->print_cls::@1]
   //SEG558 [259] phi (byte*) print_cls::sc#2 = ((byte*))(word/signed word/dword/signed dword) 1024 [phi:print_cls->print_cls::@1#0] -- pbuz1=pbuc1 
     lda #<$400
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/test-multiply.sym b/src/test/java/dk/camelot64/kickc/test/ref/test-multiply.sym
index f117221b9..a6512ae29 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/test-multiply.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/test-multiply.sym
@@ -12,20 +12,20 @@
 (byte[512]) asm_mul_sqr2_lo
 (const byte[512]) asm_mul_sqr2_lo#0 asm_mul_sqr2_lo = { fill( 512, 0) }
 (byte*) char_cursor
-(byte*) char_cursor#1 char_cursor zp ZP_WORD:8 11.0
-(byte*) char_cursor#117 char_cursor zp ZP_WORD:8 1.6944444444444446
-(byte*) char_cursor#118 char_cursor zp ZP_WORD:8 5.25
-(byte*) char_cursor#119 char_cursor zp ZP_WORD:8 3.0
-(byte*) char_cursor#121 char_cursor zp ZP_WORD:8 3.0
-(byte*) char_cursor#123 char_cursor zp ZP_WORD:8 6.0
-(byte*) char_cursor#124 char_cursor zp ZP_WORD:8 3.9999999999999996
-(byte*) char_cursor#135 char_cursor zp ZP_WORD:8 24.0
-(byte*) char_cursor#17 char_cursor zp ZP_WORD:8 0.7894736842105261
-(byte*~) char_cursor#172 char_cursor zp ZP_WORD:8 4.0
-(byte*~) char_cursor#176 char_cursor zp ZP_WORD:8 4.0
-(byte*~) char_cursor#197 char_cursor zp ZP_WORD:8 4.0
-(byte*) char_cursor#27 char_cursor zp ZP_WORD:8 0.27586206896551724
-(byte*) char_cursor#75 char_cursor zp ZP_WORD:8 6.0
+(byte*) char_cursor#1 char_cursor zp ZP_WORD:10 11.0
+(byte*) char_cursor#117 char_cursor zp ZP_WORD:10 1.6944444444444446
+(byte*) char_cursor#118 char_cursor zp ZP_WORD:10 5.25
+(byte*) char_cursor#119 char_cursor zp ZP_WORD:10 3.0
+(byte*) char_cursor#121 char_cursor zp ZP_WORD:10 3.0
+(byte*) char_cursor#123 char_cursor zp ZP_WORD:10 6.0
+(byte*) char_cursor#124 char_cursor zp ZP_WORD:10 3.9999999999999996
+(byte*) char_cursor#135 char_cursor zp ZP_WORD:10 24.0
+(byte*) char_cursor#17 char_cursor zp ZP_WORD:10 0.7894736842105261
+(byte*~) char_cursor#172 char_cursor zp ZP_WORD:10 4.0
+(byte*~) char_cursor#176 char_cursor zp ZP_WORD:10 4.0
+(byte*~) char_cursor#197 char_cursor zp ZP_WORD:10 4.0
+(byte*) char_cursor#27 char_cursor zp ZP_WORD:10 0.27586206896551724
+(byte*) char_cursor#75 char_cursor zp ZP_WORD:10 6.0
 (void()) init_multiply()
 (byte~) init_multiply::$2 reg byte a 22.0
 (byte~) init_multiply::$5 reg byte a 22.0
@@ -42,29 +42,29 @@
 (byte) init_multiply::c#1 reg byte x 2.357142857142857
 (byte) init_multiply::c#2 reg byte x 22.0
 (byte) init_multiply::dir
-(byte) init_multiply::dir#2 dir zp ZP_BYTE:2 4.714285714285714
-(byte) init_multiply::dir#3 dir zp ZP_BYTE:2 7.333333333333333
+(byte) init_multiply::dir#2 dir zp ZP_BYTE:29 4.714285714285714
+(byte) init_multiply::dir#3 dir zp ZP_BYTE:29 7.333333333333333
 (word) init_multiply::sqr
-(word) init_multiply::sqr#1 sqr zp ZP_WORD:8 7.333333333333333
-(word) init_multiply::sqr#2 sqr zp ZP_WORD:8 22.0
-(word) init_multiply::sqr#3 sqr zp ZP_WORD:8 9.166666666666666
-(word) init_multiply::sqr#4 sqr zp ZP_WORD:8 6.6000000000000005
+(word) init_multiply::sqr#1 sqr zp ZP_WORD:23 7.333333333333333
+(word) init_multiply::sqr#2 sqr zp ZP_WORD:23 22.0
+(word) init_multiply::sqr#3 sqr zp ZP_WORD:23 9.166666666666666
+(word) init_multiply::sqr#4 sqr zp ZP_WORD:23 6.6000000000000005
 (byte*) init_multiply::sqr1_hi
-(byte*) init_multiply::sqr1_hi#1 sqr1_hi zp ZP_WORD:6 5.5
-(byte*) init_multiply::sqr1_hi#2 sqr1_hi zp ZP_WORD:6 3.0
+(byte*) init_multiply::sqr1_hi#1 sqr1_hi zp ZP_WORD:20 5.5
+(byte*) init_multiply::sqr1_hi#2 sqr1_hi zp ZP_WORD:20 3.0
 (byte*) init_multiply::sqr1_lo
-(byte*) init_multiply::sqr1_lo#1 sqr1_lo zp ZP_WORD:4 16.5
-(byte*) init_multiply::sqr1_lo#2 sqr1_lo zp ZP_WORD:4 2.5384615384615383
+(byte*) init_multiply::sqr1_lo#1 sqr1_lo zp ZP_WORD:18 16.5
+(byte*) init_multiply::sqr1_lo#2 sqr1_lo zp ZP_WORD:18 2.5384615384615383
 (byte*) init_multiply::sqr2_hi
-(byte*) init_multiply::sqr2_hi#1 sqr2_hi zp ZP_WORD:6 3.142857142857143
-(byte*) init_multiply::sqr2_hi#2 sqr2_hi zp ZP_WORD:6 11.0
+(byte*) init_multiply::sqr2_hi#1 sqr2_hi zp ZP_WORD:27 3.142857142857143
+(byte*) init_multiply::sqr2_hi#2 sqr2_hi zp ZP_WORD:27 11.0
 (byte*) init_multiply::sqr2_lo
-(byte*) init_multiply::sqr2_lo#1 sqr2_lo zp ZP_WORD:4 16.5
-(byte*) init_multiply::sqr2_lo#2 sqr2_lo zp ZP_WORD:4 4.125
+(byte*) init_multiply::sqr2_lo#1 sqr2_lo zp ZP_WORD:25 16.5
+(byte*) init_multiply::sqr2_lo#2 sqr2_lo zp ZP_WORD:25 4.125
 (byte) init_multiply::x_2
-(byte) init_multiply::x_2#1 x_2 zp ZP_BYTE:2 11.0
-(byte) init_multiply::x_2#2 x_2 zp ZP_BYTE:2 4.888888888888889
-(byte) init_multiply::x_2#3 x_2 zp ZP_BYTE:2 8.25
+(byte) init_multiply::x_2#1 x_2 zp ZP_BYTE:22 11.0
+(byte) init_multiply::x_2#2 x_2 zp ZP_BYTE:22 4.888888888888889
+(byte) init_multiply::x_2#3 x_2 zp ZP_BYTE:22 8.25
 (byte) init_multiply::x_255
 (byte) init_multiply::x_255#1 reg byte x 5.5
 (byte) init_multiply::x_255#2 reg byte x 11.0
@@ -107,9 +107,9 @@
 (byte*) multiply::memB
 (const byte*) multiply::memB#0 memB = ((byte*))(byte/word/signed word/dword/signed dword) 255
 (word) multiply::return
-(word) multiply::return#0 return zp ZP_WORD:6 26.25
-(word) multiply::return#2 return zp ZP_WORD:6 4.0
-(word) multiply::return#3 return zp ZP_WORD:6 202.0
+(word) multiply::return#0 return zp ZP_WORD:12 26.25
+(word) multiply::return#2 return zp ZP_WORD:12 4.0
+(word) multiply::return#3 return zp ZP_WORD:12 202.0
 (void()) multiply_error((byte) multiply_error::a , (byte) multiply_error::b , (word) multiply_error::ms , (word) multiply_error::ma)
 (label) multiply_error::@1
 (label) multiply_error::@2
@@ -123,11 +123,11 @@
 (byte) multiply_error::a
 (byte) multiply_error::a#0 reg byte x 0.6666666666666666
 (byte) multiply_error::b
-(byte) multiply_error::b#0 b zp ZP_BYTE:2 0.4444444444444444
+(byte) multiply_error::b#0 b zp ZP_BYTE:15 0.4444444444444444
 (word) multiply_error::ma
 (word) multiply_error::ma#0 ma zp ZP_WORD:12 0.26666666666666666
 (word) multiply_error::ms
-(word) multiply_error::ms#0 ms zp ZP_WORD:10 0.3333333333333333
+(word) multiply_error::ms#0 ms zp ZP_WORD:8 0.3333333333333333
 (const string) multiply_error::str str = (string) "multiply mismatch @"
 (const string) multiply_error::str1 str1 = (string) "*@"
 (const string) multiply_error::str2 str2 = (string) " slow:@"
@@ -144,15 +144,15 @@
 (label) multiply_results_compare::@9
 (label) multiply_results_compare::@return
 (byte) multiply_results_compare::a
-(byte) multiply_results_compare::a#1 a zp ZP_BYTE:2 16.5
-(byte) multiply_results_compare::a#6 a zp ZP_BYTE:2 14.125
+(byte) multiply_results_compare::a#1 a zp ZP_BYTE:14 16.5
+(byte) multiply_results_compare::a#6 a zp ZP_BYTE:14 14.125
 (byte) multiply_results_compare::b
-(byte) multiply_results_compare::b#1 b zp ZP_BYTE:3 151.5
-(byte) multiply_results_compare::b#2 b zp ZP_BYTE:3 29.0
+(byte) multiply_results_compare::b#1 b zp ZP_BYTE:15 151.5
+(byte) multiply_results_compare::b#2 b zp ZP_BYTE:15 29.0
 (word) multiply_results_compare::ma
-(word) multiply_results_compare::ma#0 ma zp ZP_WORD:6 34.0
+(word) multiply_results_compare::ma#0 ma zp ZP_WORD:12 34.0
 (word) multiply_results_compare::ms
-(word) multiply_results_compare::ms#0 ms zp ZP_WORD:10 20.4
+(word) multiply_results_compare::ms#0 ms zp ZP_WORD:8 20.4
 (const string) multiply_results_compare::str str = (string) "multiply results match!@"
 (void()) multiply_tables_compare()
 (label) multiply_tables_compare::@1
@@ -165,11 +165,11 @@
 (label) multiply_tables_compare::@8
 (label) multiply_tables_compare::@return
 (byte*) multiply_tables_compare::asm_sqr
-(byte*) multiply_tables_compare::asm_sqr#1 asm_sqr zp ZP_WORD:10 7.333333333333333
-(byte*) multiply_tables_compare::asm_sqr#2 asm_sqr zp ZP_WORD:10 8.25
+(byte*) multiply_tables_compare::asm_sqr#1 asm_sqr zp ZP_WORD:8 7.333333333333333
+(byte*) multiply_tables_compare::asm_sqr#2 asm_sqr zp ZP_WORD:8 8.25
 (byte*) multiply_tables_compare::kc_sqr
-(byte*) multiply_tables_compare::kc_sqr#1 kc_sqr zp ZP_WORD:4 16.5
-(byte*) multiply_tables_compare::kc_sqr#2 kc_sqr zp ZP_WORD:4 3.666666666666667
+(byte*) multiply_tables_compare::kc_sqr#1 kc_sqr zp ZP_WORD:16 16.5
+(byte*) multiply_tables_compare::kc_sqr#2 kc_sqr zp ZP_WORD:16 3.666666666666667
 (const string) multiply_tables_compare::str str = (string) "multiply table mismatch at @"
 (const string) multiply_tables_compare::str1 str1 = (string) " / @"
 (const string) multiply_tables_compare::str2 str2 = (string) "multiply tables match!@"
@@ -197,8 +197,8 @@
 (label) print_cls::@1
 (label) print_cls::@return
 (byte*) print_cls::sc
-(byte*) print_cls::sc#1 sc zp ZP_WORD:4 16.5
-(byte*) print_cls::sc#2 sc zp ZP_WORD:4 16.5
+(byte*) print_cls::sc#1 sc zp ZP_WORD:30 16.5
+(byte*) print_cls::sc#2 sc zp ZP_WORD:30 16.5
 (void()) print_ln()
 (label) print_ln::@1
 (label) print_ln::@return
@@ -227,21 +227,21 @@
 (label) print_sword::@4
 (label) print_sword::@return
 (signed word) print_sword::w
-(signed word) print_sword::w#0 w zp ZP_WORD:6 4.0
-(signed word) print_sword::w#1 w zp ZP_WORD:6 4.0
-(signed word) print_sword::w#2 w zp ZP_WORD:6 4.0
-(signed word) print_sword::w#3 w zp ZP_WORD:6 2.5
-(signed word) print_sword::w#4 w zp ZP_WORD:6 4.0
+(signed word) print_sword::w#0 w zp ZP_WORD:8 4.0
+(signed word) print_sword::w#1 w zp ZP_WORD:8 4.0
+(signed word) print_sword::w#2 w zp ZP_WORD:8 4.0
+(signed word) print_sword::w#3 w zp ZP_WORD:8 2.5
+(signed word) print_sword::w#4 w zp ZP_WORD:8 4.0
 (void()) print_word((word) print_word::w)
 (label) print_word::@1
 (label) print_word::@return
 (word) print_word::w
-(word~) print_word::w#10 w zp ZP_WORD:6 4.0
-(word~) print_word::w#11 w zp ZP_WORD:6 4.0
-(word) print_word::w#3 w zp ZP_WORD:6 4.0
-(word) print_word::w#4 w zp ZP_WORD:6 4.0
-(word) print_word::w#5 w zp ZP_WORD:6 4.666666666666666
-(word~) print_word::w#9 w zp ZP_WORD:6 4.0
+(word~) print_word::w#10 w zp ZP_WORD:8 4.0
+(word~) print_word::w#11 w zp ZP_WORD:8 4.0
+(word) print_word::w#3 w zp ZP_WORD:8 4.0
+(word) print_word::w#4 w zp ZP_WORD:8 4.0
+(word) print_word::w#5 w zp ZP_WORD:8 4.666666666666666
+(word~) print_word::w#9 w zp ZP_WORD:8 4.0
 (signed word()) signed_multiply((signed byte) signed_multiply::a , (signed byte) signed_multiply::b)
 (byte~) signed_multiply::$12 reg byte a 4.0
 (byte/signed byte/word/signed word/dword/signed dword~) signed_multiply::$16 reg byte a 4.0
@@ -258,13 +258,13 @@
 (signed byte) signed_multiply::b
 (signed byte) signed_multiply::b#0 b zp ZP_BYTE:3 9.363636363636363
 (word) signed_multiply::m
-(word) signed_multiply::m#0 m zp ZP_WORD:6 2.0
-(word) signed_multiply::m#1 m zp ZP_WORD:6 4.0
-(word) signed_multiply::m#2 m zp ZP_WORD:6 4.0
-(word) signed_multiply::m#4 m zp ZP_WORD:6 1.3333333333333333
-(word) signed_multiply::m#5 m zp ZP_WORD:6 2.5
+(word) signed_multiply::m#0 m zp ZP_WORD:12 2.0
+(word) signed_multiply::m#1 m zp ZP_WORD:12 4.0
+(word) signed_multiply::m#2 m zp ZP_WORD:12 4.0
+(word) signed_multiply::m#4 m zp ZP_WORD:12 1.3333333333333333
+(word) signed_multiply::m#5 m zp ZP_WORD:12 2.5
 (signed word) signed_multiply::return
-(signed word) signed_multiply::return#2 return zp ZP_WORD:6 202.0
+(signed word) signed_multiply::return#2 return zp ZP_WORD:12 202.0
 (void()) signed_multiply_error((signed byte) signed_multiply_error::a , (signed byte) signed_multiply_error::b , (signed word) signed_multiply_error::ms , (signed word) signed_multiply_error::ma)
 (label) signed_multiply_error::@1
 (label) signed_multiply_error::@2
@@ -278,11 +278,11 @@
 (signed byte) signed_multiply_error::a
 (signed byte) signed_multiply_error::a#0 reg byte x 0.6666666666666666
 (signed byte) signed_multiply_error::b
-(signed byte) signed_multiply_error::b#0 b zp ZP_BYTE:2 0.4444444444444444
+(signed byte) signed_multiply_error::b#0 b zp ZP_BYTE:3 0.4444444444444444
 (signed word) signed_multiply_error::ma
 (signed word) signed_multiply_error::ma#0 ma zp ZP_WORD:12 0.26666666666666666
 (signed word) signed_multiply_error::ms
-(signed word) signed_multiply_error::ms#0 ms zp ZP_WORD:10 0.3333333333333333
+(signed word) signed_multiply_error::ms#0 ms zp ZP_WORD:8 0.3333333333333333
 (const string) signed_multiply_error::str str = (string) "signed multiply mismatch @"
 (const string) signed_multiply_error::str1 str1 = (string) "*@"
 (const string) signed_multiply_error::str2 str2 = (string) " slow:@"
@@ -305,7 +305,7 @@
 (signed byte) signed_multiply_results_compare::b#1 b zp ZP_BYTE:3 151.5
 (signed byte) signed_multiply_results_compare::b#2 b zp ZP_BYTE:3 29.0
 (signed word) signed_multiply_results_compare::ma
-(signed word) signed_multiply_results_compare::ma#0 ma zp ZP_WORD:6 34.0
+(signed word) signed_multiply_results_compare::ma#0 ma zp ZP_WORD:12 34.0
 (signed word) signed_multiply_results_compare::ms
 (signed word) signed_multiply_results_compare::ms#0 ms zp ZP_WORD:8 20.4
 (const string) signed_multiply_results_compare::str str = (string) "signed multiply results match!@"
@@ -314,18 +314,18 @@
 (label) slow_multiply::@2
 (label) slow_multiply::@return
 (byte) slow_multiply::a
-(byte) slow_multiply::a#0 a zp ZP_BYTE:2 157.71428571428572
+(byte) slow_multiply::a#0 a zp ZP_BYTE:14 157.71428571428572
 (byte) slow_multiply::b
 (byte) slow_multiply::b#0 reg byte x 183.66666666666669
 (byte) slow_multiply::i
 (byte) slow_multiply::i#1 reg byte y 1501.5
 (byte) slow_multiply::i#2 reg byte y 1001.0
 (word) slow_multiply::m
-(word) slow_multiply::m#1 m zp ZP_WORD:6 1001.0
-(word) slow_multiply::m#3 m zp ZP_WORD:6 2002.0
+(word) slow_multiply::m#1 m zp ZP_WORD:8 1001.0
+(word) slow_multiply::m#3 m zp ZP_WORD:8 2002.0
 (word) slow_multiply::return
-(word) slow_multiply::return#0 return zp ZP_WORD:6 367.33333333333337
-(word) slow_multiply::return#2 return zp ZP_WORD:6 202.0
+(word) slow_multiply::return#0 return zp ZP_WORD:8 367.33333333333337
+(word) slow_multiply::return#2 return zp ZP_WORD:8 202.0
 (signed word()) slow_signed_multiply((signed byte) slow_signed_multiply::a , (signed byte) slow_signed_multiply::b)
 (label) slow_signed_multiply::@1
 (label) slow_signed_multiply::@2
@@ -343,34 +343,45 @@
 (signed byte) slow_signed_multiply::j#1 reg byte y 1501.5
 (signed byte) slow_signed_multiply::j#2 reg byte y 1001.0
 (signed word) slow_signed_multiply::m
-(signed word) slow_signed_multiply::m#1 m zp ZP_WORD:6 1001.0
-(signed word) slow_signed_multiply::m#2 m zp ZP_WORD:6 1001.0
-(signed word) slow_signed_multiply::m#3 m zp ZP_WORD:6 2002.0
-(signed word) slow_signed_multiply::m#5 m zp ZP_WORD:6 2002.0
+(signed word) slow_signed_multiply::m#1 m zp ZP_WORD:8 1001.0
+(signed word) slow_signed_multiply::m#2 m zp ZP_WORD:8 1001.0
+(signed word) slow_signed_multiply::m#3 m zp ZP_WORD:8 2002.0
+(signed word) slow_signed_multiply::m#5 m zp ZP_WORD:8 2002.0
 (signed word) slow_signed_multiply::return
-(signed word) slow_signed_multiply::return#0 return zp ZP_WORD:6 701.0
-(signed word) slow_signed_multiply::return#2 return zp ZP_WORD:6 202.0
+(signed word) slow_signed_multiply::return#0 return zp ZP_WORD:8 701.0
+(signed word) slow_signed_multiply::return#2 return zp ZP_WORD:8 202.0
 
-zp ZP_BYTE:2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::a#1 multiply_results_compare::a#6 multiply_results_compare::a#1 init_multiply::x_2#3 init_multiply::x_2#2 init_multiply::x_2#1 init_multiply::dir#2 init_multiply::dir#3 slow_signed_multiply::a#0 signed_multiply_error::b#0 slow_multiply::a#0 multiply_error::b#0 ]
-zp ZP_BYTE:3 [ signed_multiply_results_compare::b#2 signed_multiply_results_compare::b#1 multiply_results_compare::b#2 multiply_results_compare::b#1 signed_multiply::b#0 ]
-zp ZP_WORD:4 [ line_cursor#20 line_cursor#40 line_cursor#27 line_cursor#1 multiply_tables_compare::kc_sqr#2 multiply_tables_compare::kc_sqr#1 init_multiply::sqr1_lo#2 init_multiply::sqr1_lo#1 init_multiply::sqr2_lo#2 init_multiply::sqr2_lo#1 print_cls::sc#2 print_cls::sc#1 ]
-zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 init_multiply::sqr2_hi#2 init_multiply::sqr2_hi#1 slow_signed_multiply::return#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 multiply::return#2 multiply::return#0 slow_multiply::return#2 multiply::return#3 multiply_results_compare::ma#0 ]
+zp ZP_BYTE:2 [ signed_multiply_results_compare::a#6 signed_multiply_results_compare::a#1 slow_signed_multiply::a#0 ]
+zp ZP_BYTE:3 [ signed_multiply_results_compare::b#2 signed_multiply_results_compare::b#1 signed_multiply::b#0 signed_multiply_error::b#0 ]
+zp ZP_WORD:4 [ line_cursor#20 line_cursor#40 line_cursor#27 line_cursor#1 ]
+zp ZP_WORD:6 [ print_str::str#14 print_str::str#16 print_str::str#0 ]
+zp ZP_WORD:8 [ print_sword::w#4 print_sword::w#3 print_sword::w#1 print_sword::w#2 print_sword::w#0 print_word::w#5 print_word::w#3 print_word::w#4 print_word::w#9 print_word::w#10 print_word::w#11 multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 signed_multiply_error::ms#0 signed_multiply_results_compare::ms#0 slow_signed_multiply::return#2 slow_signed_multiply::m#5 slow_signed_multiply::return#0 slow_signed_multiply::m#3 slow_signed_multiply::m#1 slow_signed_multiply::m#2 multiply_error::ms#0 multiply_results_compare::ms#0 slow_multiply::return#2 slow_multiply::return#0 slow_multiply::m#3 slow_multiply::m#1 ]
 reg byte x [ print_byte::b#5 print_byte::b#3 print_byte::b#4 print_byte::b#9 print_byte::b#1 print_byte::b#2 ]
 reg byte a [ print_char::ch#4 print_char::ch#2 print_char::ch#3 ]
-zp ZP_WORD:8 [ char_cursor#75 char_cursor#124 char_cursor#123 char_cursor#119 char_cursor#135 char_cursor#27 char_cursor#118 char_cursor#17 char_cursor#117 char_cursor#172 char_cursor#176 char_cursor#1 char_cursor#121 char_cursor#197 init_multiply::sqr#3 init_multiply::sqr#4 init_multiply::sqr#1 init_multiply::sqr#2 signed_multiply_results_compare::ms#0 ]
+zp ZP_WORD:10 [ char_cursor#75 char_cursor#124 char_cursor#123 char_cursor#119 char_cursor#135 char_cursor#27 char_cursor#118 char_cursor#17 char_cursor#117 char_cursor#172 char_cursor#176 char_cursor#1 char_cursor#121 char_cursor#197 ]
 reg byte x [ print_sbyte::b#4 print_sbyte::b#3 print_sbyte::b#1 print_sbyte::b#2 print_sbyte::b#0 ]
+zp ZP_WORD:12 [ signed_multiply::m#4 signed_multiply::m#5 signed_multiply::m#1 signed_multiply::m#0 signed_multiply::m#2 signed_multiply::return#2 signed_multiply_results_compare::ma#0 signed_multiply_error::ma#0 multiply::return#2 multiply::return#0 multiply::return#3 multiply_results_compare::ma#0 multiply_error::ma#0 ]
 reg byte a [ multiply::a#2 multiply::a#1 multiply::a#4 ]
 reg byte x [ multiply::b#2 multiply::b#1 multiply::b#4 ]
 reg byte y [ slow_signed_multiply::i#2 slow_signed_multiply::i#1 ]
 reg byte y [ slow_signed_multiply::j#2 slow_signed_multiply::j#1 ]
+zp ZP_BYTE:14 [ multiply_results_compare::a#6 multiply_results_compare::a#1 slow_multiply::a#0 ]
+zp ZP_BYTE:15 [ multiply_results_compare::b#2 multiply_results_compare::b#1 multiply_error::b#0 ]
 reg byte y [ slow_multiply::i#2 slow_multiply::i#1 ]
-zp ZP_WORD:10 [ multiply_tables_compare::asm_sqr#2 multiply_tables_compare::asm_sqr#1 signed_multiply_error::ms#0 multiply_results_compare::ms#0 multiply_error::ms#0 ]
+zp ZP_WORD:16 [ multiply_tables_compare::kc_sqr#2 multiply_tables_compare::kc_sqr#1 ]
 reg byte x [ init_multiply::c#2 init_multiply::c#1 ]
+zp ZP_WORD:18 [ init_multiply::sqr1_lo#2 init_multiply::sqr1_lo#1 ]
+zp ZP_WORD:20 [ init_multiply::sqr1_hi#2 init_multiply::sqr1_hi#1 ]
+zp ZP_BYTE:22 [ init_multiply::x_2#3 init_multiply::x_2#2 init_multiply::x_2#1 ]
+zp ZP_WORD:23 [ init_multiply::sqr#3 init_multiply::sqr#4 init_multiply::sqr#1 init_multiply::sqr#2 ]
 reg byte x [ init_multiply::x_255#2 init_multiply::x_255#1 ]
+zp ZP_WORD:25 [ init_multiply::sqr2_lo#2 init_multiply::sqr2_lo#1 ]
+zp ZP_WORD:27 [ init_multiply::sqr2_hi#2 init_multiply::sqr2_hi#1 ]
+zp ZP_BYTE:29 [ init_multiply::dir#2 init_multiply::dir#3 ]
+zp ZP_WORD:30 [ print_cls::sc#2 print_cls::sc#1 ]
 reg byte x [ slow_signed_multiply::b#0 ]
 reg byte y [ signed_multiply::a#0 ]
 reg byte x [ signed_multiply_error::a#0 ]
-zp ZP_WORD:12 [ signed_multiply_error::ma#0 multiply_error::ma#0 ]
 reg byte a [ print_byte::$0 ]
 reg byte a [ print_byte::$2 ]
 reg byte a [ signed_multiply::$6 ]
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/voronoi.asm b/src/test/java/dk/camelot64/kickc/test/ref/voronoi.asm
index 1e71cb06c..39aecfd71 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/voronoi.asm
+++ b/src/test/java/dk/camelot64/kickc/test/ref/voronoi.asm
@@ -109,7 +109,7 @@ findcol: {
     .label x = 5
     .label y = 2
     .label xp = 7
-    .label yp = 8
+    .label yp = $a
     .label diff = 7
     .label mindiff = 6
     ldy #0
@@ -177,7 +177,7 @@ findcol: {
     jmp b5
 }
 initscreen: {
-    .label screen = 3
+    .label screen = 8
     lda #<SCREEN
     sta screen
     lda #>SCREEN
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/voronoi.log b/src/test/java/dk/camelot64/kickc/test/ref/voronoi.log
index 83b23524f..f43b6de4c 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/voronoi.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/voronoi.log
@@ -2600,13 +2600,13 @@ Attempting to uplift remaining variables inzp ZP_BYTE:20 [ findcol::x#0 ]
 Uplifting [findcol] best 1703953 combination zp ZP_BYTE:20 [ findcol::x#0 ] 
 Attempting to uplift remaining variables inzp ZP_BYTE:2 [ render::y#4 render::y#1 ]
 Uplifting [render] best 1703953 combination zp ZP_BYTE:2 [ render::y#4 render::y#1 ] 
-Coalescing zero page register [ zp ZP_BYTE:2 [ render::y#4 render::y#1 ] ] with [ zp ZP_BYTE:21 [ findcol::y#0 ] ]
-Coalescing zero page register [ zp ZP_WORD:3 [ render::colline#5 render::colline#1 ] ] with [ zp ZP_WORD:11 [ initscreen::screen#2 initscreen::screen#1 ] ]
-Coalescing zero page register [ zp ZP_BYTE:5 [ render::x#2 render::x#1 ] ] with [ zp ZP_BYTE:20 [ findcol::x#0 ] ]
 Coalescing zero page register [ zp ZP_BYTE:9 [ findcol::diff#4 findcol::diff#1 findcol::diff#0 ] ] with [ zp ZP_BYTE:24 [ findcol::xp#0 ] ]
+Coalescing zero page register [ zp ZP_BYTE:2 [ render::y#4 render::y#1 ] ] with [ zp ZP_BYTE:21 [ findcol::y#0 ] ]
+Coalescing zero page register [ zp ZP_BYTE:5 [ render::x#2 render::x#1 ] ] with [ zp ZP_BYTE:20 [ findcol::x#0 ] ]
 Allocated (was zp ZP_BYTE:7) zp ZP_BYTE:6 [ findcol::mindiff#10 findcol::mindiff#13 ]
 Allocated (was zp ZP_BYTE:9) zp ZP_BYTE:7 [ findcol::diff#4 findcol::diff#1 findcol::diff#0 findcol::xp#0 ]
-Allocated (was zp ZP_BYTE:25) zp ZP_BYTE:8 [ findcol::yp#0 ]
+Allocated (was zp ZP_WORD:11) zp ZP_WORD:8 [ initscreen::screen#2 initscreen::screen#1 ]
+Allocated (was zp ZP_BYTE:25) zp ZP_BYTE:10 [ findcol::yp#0 ]
 
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 Basic Upstart
@@ -2869,7 +2869,7 @@ findcol: {
     .label x = 5
     .label y = 2
     .label xp = 7
-    .label yp = 8
+    .label yp = $a
     .label diff = 7
     .label mindiff = 6
   //SEG91 [54] phi from findcol to findcol::@1 [phi:findcol->findcol::@1]
@@ -3013,7 +3013,7 @@ findcol: {
 }
 //SEG143 initscreen
 initscreen: {
-    .label screen = 3
+    .label screen = 8
   //SEG144 [79] phi from initscreen to initscreen::@1 [phi:initscreen->initscreen::@1]
   b1_from_initscreen:
   //SEG145 [79] phi (byte*) initscreen::screen#2 = (const byte*) SCREEN#0 [phi:initscreen->initscreen::@1#0] -- pbuz1=pbuc1 
@@ -3243,13 +3243,13 @@ FINAL SYMBOL TABLE
 (byte) findcol::y
 (byte) findcol::y#0 y zp ZP_BYTE:2 1708.5416666666665
 (byte) findcol::yp
-(byte) findcol::yp#0 yp zp ZP_BYTE:8 6250.625
+(byte) findcol::yp#0 yp zp ZP_BYTE:10 6250.625
 (void()) initscreen()
 (label) initscreen::@1
 (label) initscreen::@return
 (byte*) initscreen::screen
-(byte*) initscreen::screen#1 screen zp ZP_WORD:3 16.5
-(byte*) initscreen::screen#2 screen zp ZP_WORD:3 16.5
+(byte*) initscreen::screen#1 screen zp ZP_WORD:8 16.5
+(byte*) initscreen::screen#2 screen zp ZP_WORD:8 16.5
 (void()) main()
 (label) main::@1
 (label) main::@4
@@ -3276,13 +3276,14 @@ FINAL SYMBOL TABLE
 (byte) render::y#4 y zp ZP_BYTE:2 109.36363636363637
 
 zp ZP_BYTE:2 [ render::y#4 render::y#1 findcol::y#0 ]
-zp ZP_WORD:3 [ render::colline#5 render::colline#1 initscreen::screen#2 initscreen::screen#1 ]
+zp ZP_WORD:3 [ render::colline#5 render::colline#1 ]
 zp ZP_BYTE:5 [ render::x#2 render::x#1 findcol::x#0 ]
 reg byte x [ findcol::i#10 findcol::i#1 ]
 zp ZP_BYTE:6 [ findcol::mindiff#10 findcol::mindiff#13 ]
 reg byte y [ findcol::return#2 findcol::mincol#10 findcol::mincol#2 findcol::mincol#1 ]
 zp ZP_BYTE:7 [ findcol::diff#4 findcol::diff#1 findcol::diff#0 findcol::xp#0 ]
 reg byte a [ findcol::mindiff#11 findcol::diff#6 findcol::diff#3 findcol::diff#2 findcol::mindiff#15 ]
+zp ZP_WORD:8 [ initscreen::screen#2 initscreen::screen#1 ]
 reg byte x [ animate::$0 ]
 reg byte x [ animate::$3 ]
 reg byte x [ animate::$6 ]
@@ -3292,7 +3293,7 @@ reg byte a [ animate::$15 ]
 reg byte a [ animate::$18 ]
 reg byte a [ findcol::return#0 ]
 reg byte a [ render::col#0 ]
-zp ZP_BYTE:8 [ findcol::yp#0 ]
+zp ZP_BYTE:10 [ findcol::yp#0 ]
 reg byte a [ findcol::$10 ]
 reg byte a [ findcol::$12 ]
 
@@ -3505,7 +3506,7 @@ findcol: {
     .label x = 5
     .label y = 2
     .label xp = 7
-    .label yp = 8
+    .label yp = $a
     .label diff = 7
     .label mindiff = 6
   //SEG91 [54] phi from findcol to findcol::@1 [phi:findcol->findcol::@1]
@@ -3626,7 +3627,7 @@ findcol: {
 }
 //SEG143 initscreen
 initscreen: {
-    .label screen = 3
+    .label screen = 8
   //SEG144 [79] phi from initscreen to initscreen::@1 [phi:initscreen->initscreen::@1]
   //SEG145 [79] phi (byte*) initscreen::screen#2 = (const byte*) SCREEN#0 [phi:initscreen->initscreen::@1#0] -- pbuz1=pbuc1 
     lda #<SCREEN
diff --git a/src/test/java/dk/camelot64/kickc/test/ref/voronoi.sym b/src/test/java/dk/camelot64/kickc/test/ref/voronoi.sym
index 7e5d1b98c..ca570ecdf 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/voronoi.sym
+++ b/src/test/java/dk/camelot64/kickc/test/ref/voronoi.sym
@@ -78,13 +78,13 @@
 (byte) findcol::y
 (byte) findcol::y#0 y zp ZP_BYTE:2 1708.5416666666665
 (byte) findcol::yp
-(byte) findcol::yp#0 yp zp ZP_BYTE:8 6250.625
+(byte) findcol::yp#0 yp zp ZP_BYTE:10 6250.625
 (void()) initscreen()
 (label) initscreen::@1
 (label) initscreen::@return
 (byte*) initscreen::screen
-(byte*) initscreen::screen#1 screen zp ZP_WORD:3 16.5
-(byte*) initscreen::screen#2 screen zp ZP_WORD:3 16.5
+(byte*) initscreen::screen#1 screen zp ZP_WORD:8 16.5
+(byte*) initscreen::screen#2 screen zp ZP_WORD:8 16.5
 (void()) main()
 (label) main::@1
 (label) main::@4
@@ -111,13 +111,14 @@
 (byte) render::y#4 y zp ZP_BYTE:2 109.36363636363637
 
 zp ZP_BYTE:2 [ render::y#4 render::y#1 findcol::y#0 ]
-zp ZP_WORD:3 [ render::colline#5 render::colline#1 initscreen::screen#2 initscreen::screen#1 ]
+zp ZP_WORD:3 [ render::colline#5 render::colline#1 ]
 zp ZP_BYTE:5 [ render::x#2 render::x#1 findcol::x#0 ]
 reg byte x [ findcol::i#10 findcol::i#1 ]
 zp ZP_BYTE:6 [ findcol::mindiff#10 findcol::mindiff#13 ]
 reg byte y [ findcol::return#2 findcol::mincol#10 findcol::mincol#2 findcol::mincol#1 ]
 zp ZP_BYTE:7 [ findcol::diff#4 findcol::diff#1 findcol::diff#0 findcol::xp#0 ]
 reg byte a [ findcol::mindiff#11 findcol::diff#6 findcol::diff#3 findcol::diff#2 findcol::mindiff#15 ]
+zp ZP_WORD:8 [ initscreen::screen#2 initscreen::screen#1 ]
 reg byte x [ animate::$0 ]
 reg byte x [ animate::$3 ]
 reg byte x [ animate::$6 ]
@@ -127,6 +128,6 @@ reg byte a [ animate::$15 ]
 reg byte a [ animate::$18 ]
 reg byte a [ findcol::return#0 ]
 reg byte a [ render::col#0 ]
-zp ZP_BYTE:8 [ findcol::yp#0 ]
+zp ZP_BYTE:10 [ findcol::yp#0 ]
 reg byte a [ findcol::$10 ]
 reg byte a [ findcol::$12 ]