mirror of
https://github.com/cc65/cc65.git
synced 2024-11-08 13:04:52 +00:00
29 lines
457 B
ArmAsm
29 lines
457 B
ArmAsm
|
;
|
||
|
; Ullrich von Bassewitz, 26.10.2000
|
||
|
;
|
||
|
; CC65 runtime: Store a indirect into address at top of stack with index
|
||
|
;
|
||
|
|
||
|
.export staspidx
|
||
|
.import incsp2
|
||
|
.importzp sp, tmp1, ptr1
|
||
|
|
||
|
.proc staspidx
|
||
|
|
||
|
pha
|
||
|
sty tmp1 ; Save Index
|
||
|
ldy #1
|
||
|
lda (sp),y
|
||
|
sta ptr1+1
|
||
|
dey
|
||
|
lda (sp),y
|
||
|
sta ptr1 ; Pointer now in ptr1
|
||
|
ldy tmp1 ; Restore offset
|
||
|
pla ; Restore value
|
||
|
sta (ptr1),y ; Store
|
||
|
jmp incsp2 ; Drop address
|
||
|
|
||
|
.endproc
|
||
|
|
||
|
|