diff --git a/compiler/src/prog8/compiler/target/c64/codegen/ForLoopsAsmGen.kt b/compiler/src/prog8/compiler/target/c64/codegen/ForLoopsAsmGen.kt
index de777b91b..95f26f558 100644
--- a/compiler/src/prog8/compiler/target/c64/codegen/ForLoopsAsmGen.kt
+++ b/compiler/src/prog8/compiler/target/c64/codegen/ForLoopsAsmGen.kt
@@ -15,6 +15,7 @@ import prog8.compiler.toHex
 import kotlin.math.absoluteValue
 
 // todo choose more efficient comparisons to avoid needless lda's
+// todo optimize common case step == 2 / -2
 
 
 internal class ForLoopsAsmGen(private val program: Program, private val asmgen: AsmGen) {
diff --git a/examples/compiled/bdmusic-irq.prg b/examples/compiled/bdmusic-irq.prg
new file mode 100644
index 000000000..3860a60dc
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diff --git a/examples/compiled/examples.d64 b/examples/compiled/examples.d64
index e10ff30c1..33728220e 100644
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diff --git a/examples/compiled/sorting.prg b/examples/compiled/sorting.prg
new file mode 100644
index 000000000..3801a65f9
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