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cc65/libsrc/runtime/decsp8.s
cuz 092c0a2620 Recode decsp8
git-svn-id: svn://svn.cc65.org/cc65/trunk@670 b7a2c559-68d2-44c3-8de9-860c34a00d81
2001-03-26 14:41:45 +00:00

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235 B
ArmAsm

;
; Ullrich von Bassewitz, 25.10.2000
;
; CC65 runtime: Decrement the stackpointer by 8
;
.export decsp8
.importzp sp
.proc decsp8
lda sp
sec
sbc #8
sta sp
bcc @L1
rts
@L1: dec sp+1
rts
.endproc