2000-10-26 06:35:45 +00:00
|
|
|
;
|
|
|
|
|
; Ullrich von Bassewitz, 26.10.2000
|
|
|
|
|
;
|
|
|
|
|
; CC65 runtime: Store a indirect into address at top of stack with index
|
|
|
|
|
;
|
|
|
|
|
|
2013-05-09 11:56:54 +00:00
|
|
|
.export staspidx
|
|
|
|
|
.import incsp2
|
|
|
|
|
.importzp sp, tmp1, ptr1
|
2000-10-26 06:35:45 +00:00
|
|
|
|
2013-05-09 11:56:54 +00:00
|
|
|
.proc staspidx
|
2000-10-26 06:35:45 +00:00
|
|
|
|
2013-05-09 11:56:54 +00:00
|
|
|
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
|
2000-10-26 06:35:45 +00:00
|
|
|
|
|
|
|
|
.endproc
|
|
|
|
|
|
|
|
|
|
|
