.export _strcpy
.import popax
- .importzp ptr1, ptr2, ptr3
+ .importzp ptr1, ptr2
_strcpy:
sta ptr1 ; Save src
jsr popax ; Get dest
sta ptr2
stx ptr2+1
- sta ptr3 ; remember for function return
- stx ptr3+1
ldy #$00
L1: lda (ptr1),y
inc ptr2+1
bne L1
-L9: lda ptr3
- ldx ptr3+1
+L9: lda ptr2 ; X still contains high byte
rts