mirror of
https://github.com/cc65/cc65.git
synced 2024-07-09 01:28:58 +00:00
26 lines
343 B
ArmAsm
26 lines
343 B
ArmAsm
;
|
|
; Ullrich von Bassewitz, 26.10.2000
|
|
;
|
|
; CC65 runtime: Push value in a onto the stack
|
|
;
|
|
|
|
.export pushaysp, pusha
|
|
.importzp sp
|
|
|
|
; Beware: The optimizer knows about this function!
|
|
|
|
pushaysp:
|
|
lda (sp),y
|
|
pusha: ldy sp
|
|
beq @L1
|
|
dec sp
|
|
ldy #0
|
|
sta (sp),y
|
|
rts
|
|
|
|
@L1: dec sp+1
|
|
dec sp
|
|
sta (sp),y
|
|
rts
|
|
|