From 1a39515769d86103a40fe3b5cd7d83e7ed1bcae4 Mon Sep 17 00:00:00 2001
From: cuz <cuz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Wed, 12 Sep 2001 18:20:30 +0000
Subject: [PATCH] Fixed a bug

git-svn-id: svn://svn.cc65.org/cc65/trunk@895 b7a2c559-68d2-44c3-8de9-860c34a00d81
---
 src/cc65/codeopt.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/cc65/codeopt.c b/src/cc65/codeopt.c
index 3ec3f12db..48834fed8 100644
--- a/src/cc65/codeopt.c
+++ b/src/cc65/codeopt.c
@@ -1,3 +1,4 @@
+
 /*****************************************************************************/
 /*                                                                           */
 /*				   codeopt.c				     */
@@ -552,7 +553,7 @@ static unsigned OptAdd1 (CodeSeg* S)
  *
  * and replace it by:
  *
- *      ldy     xxx
+ *      ldy     xxx-2
  *      clc
  *      adc     (sp),y
  *      bcc     L
@@ -576,6 +577,7 @@ static unsigned OptAdd1 (CodeSeg* S)
 	    strcmp (E->Arg, "pushax") == 0                   &&
        	    CS_GetEntries (S, L, I+1, 5)   	             &&
        	    L[0]->OPC == OP65_LDY                            &&
+	    CE_KnownImm (L[0])                               &&
 	    !CE_HasLabel (L[0])                              &&
 	    L[1]->OPC == OP65_LDX                            &&
 	    CE_KnownImm (L[1])                               &&
@@ -589,10 +591,16 @@ static unsigned OptAdd1 (CodeSeg* S)
 
 	    CodeEntry* X;
 	    CodeLabel* Label;
+	    char Buf [16];
 
 	    /* Remove the call to pushax */
 	    CS_DelEntry (S, I);
 
+	    /* Correct the stack offset (needed since pushax was removed) */
+	    L[0]->Num -= 2;
+	    xsprintf (Buf, sizeof (Buf), "$%02lX", L[0]->Num);
+	    CE_SetArg (L[0], Buf);
+
 	    /* Add the clc . */
 	    X = NewCodeEntry (OP65_CLC, AM65_IMP, 0, 0, L[3]->LI);
 	    CS_InsertEntry (S, X, I+1);
-- 
2.39.5