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Another small optimization

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2150 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz
2003-05-05 17:07:14 +00:00
parent 62dbbcc4b6
commit ebb44b8a4f
1 changed files with 2 additions and 3 deletions
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5
libsrc/common/strcpy.s
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@@ -6,7 +6,7 @@
.export _strcpy .export _strcpy
.import popax .import popax
.importzp ptr1, ptr2, tmp3 .importzp ptr1, ptr2
_strcpy: _strcpy:
sta ptr1 ; Save src sta ptr1 ; Save src
@@ -14,7 +14,6 @@ _strcpy:
jsr popax ; Get dest jsr popax ; Get dest
sta ptr2 sta ptr2
stx ptr2+1 stx ptr2+1
sta tmp3 ; remember for function return
ldy #$00 ldy #$00
L1: lda (ptr1),y L1: lda (ptr1),y
@@ -26,6 +25,6 @@ L1: lda (ptr1),y
inc ptr2+1 inc ptr2+1
bne L1 bne L1
L9: lda tmp3 ; X still contains high byte L9: lda ptr2 ; X still contains high byte
rts rts