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cc65/libsrc/runtime/decax1.s

19 lines
231 B
ArmAsm

;
; Ullrich von Bassewitz, 29.12.1999
;
; CC65 runtime: Decrement ax by 1
;
.export decax1
.macpack generic
.proc decax1
sub #1
bcs @L9
dex
@L9: rts
.endproc