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22 lines
242 B
ArmAsm

;
; Ullrich von Bassewitz, 29.12.1999
;
; CC65 runtime: Decrement ax by value in Y
;
.export decaxy
.importzp tmp1
.macpack generic
.proc decaxy
sty tmp1
sub tmp1
bcs @L9
dex
@L9: rts
.endproc