mirror of
https://github.com/cc65/cc65.git
synced 2024-11-18 15:05:14 +00:00
28 lines
535 B
ArmAsm
28 lines
535 B
ArmAsm
;
|
|
; Ullrich von Bassewitz, 11.04.1999
|
|
;
|
|
; CC65 runtime: Load an unsigned char indirect from pointer somewhere in stack
|
|
;
|
|
|
|
.export ldau00sp, ldau0ysp
|
|
.importzp sp, ptr1
|
|
|
|
.macpack cpu
|
|
|
|
ldau00sp:
|
|
ldy #1
|
|
ldau0ysp:
|
|
lda (sp),y
|
|
sta ptr1+1
|
|
dey
|
|
lda (sp),y
|
|
sta ptr1
|
|
ldx #0
|
|
.if (.cpu .bitand CPU_ISET_65SC02)
|
|
lda (ptr1) ; Save one cycle for the C02
|
|
.else
|
|
lda (ptr1,x)
|
|
.endif
|
|
rts
|
|
|