Rafactoring pass 2

src/main/fragment/vduz1=vwuz2_dword_vbuc1.asm

@@ -1,8 +1,8 @@
-lda #<{c1}
-sta {z1}
-lda #>{c1}
-sta {z1}+1
 lda {z2}
 sta {z1}+2
 lda {z2}+1
 sta {z1}+3
+lda #{c1}
+sta {z1}
+lda #0
+sta {z1}+1

src/main/fragment/vduz1=vwuz2_dword_vwuc1.asm

@@ -0,0 +1,8 @@
+lda #<{c1}
+sta {z1}
+lda #>{c1}
+sta {z1}+1
+lda {z2}
+sta {z1}+2
+lda {z2}+1
+sta {z1}+3

src/main/java/dk/camelot64/kickc/Compiler.java

@@ -233,7 +233,7 @@ public class Compiler {
       List<Pass2SsaOptimization> optimizations = new ArrayList<>();
       optimizations.add(new PassNAddNumberTypeConversions(program));
       optimizations.add(new PassNAddArrayNumberTypeConversions(program));
-      optimizations.add(new PassNDowngradeBytePlusWord(program));
+      optimizations.add(new PassNDowngradeConstantTypeConversions(program));
       optimizations.add(new PassNTypeInference(program));
       optimizations.add(new PassNTypeIdSimplification(program));
       optimizations.add(new Pass2SizeOfSimplification(program));

src/main/java/dk/camelot64/kickc/passes/PassNDowngradeConstantTypeConversions.java

@@ -13,9 +13,9 @@ import java.util.concurrent.atomic.AtomicBoolean;
 /**
  * Downgrade any number expression cast that are part of a WORD+NUMBER expression to BYTE if the number is small enough to fit in the byte.
  */
-public class PassNDowngradeBytePlusWord extends Pass2SsaOptimization {
+public class PassNDowngradeConstantTypeConversions extends Pass2SsaOptimization {
 
-   public PassNDowngradeBytePlusWord(Program program) {
+   public PassNDowngradeConstantTypeConversions(Program program) {
       super(program);
    }
 

src/test/ref/linegen.asm

@@ -335,14 +335,13 @@ lin16u_gen: {
     sta step
     lda stepf+1
     sta step+1
-    lda #<0
-    sta val
-    sta val+1
     lda min
     sta val+2
     lda min+1
     sta val+3
     lda #0
+    sta val
+    sta val+1
     sta i
     sta i+1
   b1: