diff --git a/compiler/src/prog8/compiler/target/cpu6502/codegen/ExpressionsAsmGen.kt b/compiler/src/prog8/compiler/target/cpu6502/codegen/ExpressionsAsmGen.kt
index 451909123..78b45e071 100644
--- a/compiler/src/prog8/compiler/target/cpu6502/codegen/ExpressionsAsmGen.kt
+++ b/compiler/src/prog8/compiler/target/cpu6502/codegen/ExpressionsAsmGen.kt
@@ -686,7 +686,7 @@ internal class ExpressionsAsmGen(private val program: Program, private val asmge
                         code("#>${rightConstVal.number}", "#<${rightConstVal.number}")
                     }
                     else {
-                        // TODO is this correct?  word > 0
+                        // TODO is this correct?  word > 0   can be shorter as well?
                         val name = asmgen.asmVariableName(left)
                         asmgen.out("""
                             lda  #0
diff --git a/examples/cx16/kefrenbars.p8 b/examples/cx16/kefrenbars.p8
index 6cfae7e8e..9c7d8c9b2 100644
--- a/examples/cx16/kefrenbars.p8
+++ b/examples/cx16/kefrenbars.p8
@@ -5,6 +5,9 @@
 ; Vertical rasterbars a.k.a. "Kefren bars"
 ; also see: rasterbars.p8
 
+; TODO exhibits tearing since recent compiler changes????
+
+
 main {
 
     sub start() {
diff --git a/examples/rasterbars.p8 b/examples/rasterbars.p8
index efdbc8f95..5f80d4192 100644
--- a/examples/rasterbars.p8
+++ b/examples/rasterbars.p8
@@ -17,7 +17,7 @@ main {
 
 irq {
 
-    const ubyte barheight = 4       ; should be big enough to re-trigger the Raster irq properly.
+    const ubyte barheight = 3       ; should be big enough to re-trigger the Raster irq properly.
     ubyte[] colors = [6,2,4,5,15,7,1,13,3,12,8,11,9]
     ubyte color = 0
     ubyte yanim = 0
diff --git a/examples/wizzine.p8 b/examples/wizzine.p8
index dd6daab34..e9b3454f8 100644
--- a/examples/wizzine.p8
+++ b/examples/wizzine.p8
@@ -2,6 +2,9 @@
 %import syslib
 %zeropage basicsafe
 
+; TODO seems slightly slower since recent compiler changes????
+
+
 spritedata $0a00 {
     ; this memory block contains the sprite data
     ; it must start on an address aligned to 64 bytes.