From aa2437cfb8f37900a5b18f31bfb9e642ea1636b9 Mon Sep 17 00:00:00 2001
From: Irmen de Jong <irmen@razorvine.net>
Date: Sat, 18 May 2024 15:09:56 +0200
Subject: [PATCH] fix invalid repeat loop when iterations is already in
 register Y

---
 codeGenCpu6502/src/prog8/codegen/cpu6502/AsmGen.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/codeGenCpu6502/src/prog8/codegen/cpu6502/AsmGen.kt b/codeGenCpu6502/src/prog8/codegen/cpu6502/AsmGen.kt
index 843a7055f..1ac21b985 100644
--- a/codeGenCpu6502/src/prog8/codegen/cpu6502/AsmGen.kt
+++ b/codeGenCpu6502/src/prog8/codegen/cpu6502/AsmGen.kt
@@ -882,8 +882,8 @@ $repeatLabel""")
     }
 
     private fun repeatCountInY(stmt: PtRepeatLoop, endLabel: String) {
-        // note: Y must just have been loaded with the (variable) number of loops to be performed!
         val repeatLabel = makeLabel("repeat")
+        out("  cpy  #0")
         if(isTargetCpu(CpuType.CPU65c02)) {
             val counterVar = createRepeatCounterVar(DataType.UBYTE, true, stmt)
             out("  beq  $endLabel |  sty  $counterVar")