You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
;
|
|
; Ullrich von Bassewitz, 25.10.2000
|
|
;
|
|
; CC65 runtime: Decrement the stackpointer by 7
|
|
;
|
|
|
|
.export decsp7
|
|
.importzp sp
|
|
|
|
.proc decsp7
|
|
|
|
lda sp
|
|
sec
|
|
sbc #7
|
|
sta sp
|
|
bcc @L1
|
|
rts
|
|
|
|
@L1: dec sp+1
|
|
rts
|
|
|
|
.endproc
|
|
|
|
|
|
|