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Fixed a bug in inlined memcpy

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git-svn-id: svn://svn.cc65.org/cc65/trunk@3236 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2004-10-09 19:09:35 +00:00
parent 0e0183020d
commit 8874a80ddd
1 changed files with 6 additions and 6 deletions
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12
src/cc65/stdfunc.c
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@ -339,9 +339,9 @@ static void StdFunc_memcpy (FuncDesc* F attribute ((unused)), ExprDesc* Expr)
Label = GetLocalLabel (); Label = GetLocalLabel ();
/* Generate memcpy code */ /* Generate memcpy code */
if (Arg3.Expr.IVal <= 127) { if (Arg3.Expr.IVal <= 127 && !AllowOneIndex) {
if (Offs == 0 || AllowOneIndex) { if (Offs == 0) {
AddCodeLine ("ldy #$%02X", (unsigned char) (Offs + Arg3.Expr.IVal - 1)); AddCodeLine ("ldy #$%02X", (unsigned char) (Offs + Arg3.Expr.IVal - 1));
g_defcodelabel (Label); g_defcodelabel (Label);
AddCodeLine ("lda %s,y", ED_GetLabelName (&Arg2.Expr, -Offs)); AddCodeLine ("lda %s,y", ED_GetLabelName (&Arg2.Expr, -Offs));
@ -413,13 +413,13 @@ static void StdFunc_memcpy (FuncDesc* F attribute ((unused)), ExprDesc* Expr)
Label = GetLocalLabel (); Label = GetLocalLabel ();
/* Generate memcpy code */ /* Generate memcpy code */
if (Arg3.Expr.IVal <= 127) { if (Arg3.Expr.IVal <= 127 && !AllowOneIndex) {
if (Offs == 0 || AllowOneIndex) { if (Offs == 0) {
AddCodeLine ("ldy #$%02X", (unsigned char) (Offs + Arg3.Expr.IVal - 1)); AddCodeLine ("ldy #$%02X", (unsigned char) (Arg3.Expr.IVal - 1));
g_defcodelabel (Label); g_defcodelabel (Label);
AddCodeLine ("lda (sp),y"); AddCodeLine ("lda (sp),y");
AddCodeLine ("sta %s,y", ED_GetLabelName (&Arg1.Expr, -Offs)); AddCodeLine ("sta %s,y", ED_GetLabelName (&Arg1.Expr, 0));
AddCodeLine ("dey"); AddCodeLine ("dey");
AddCodeLine ("bpl %s", LocalLabelName (Label)); AddCodeLine ("bpl %s", LocalLabelName (Label));
} else { } else {