Files
cc65/libsrc/runtime/ldau0sp.s

26 lines
501 B
ArmAsm

;
; Ullrich von Bassewitz, 11.04.1999
;
; CC65 runtime: Load an unsigned char indirect from pointer somewhere in stack
;
.export ldau00sp, ldau0ysp
.importzp c_sp, ptr1
ldau00sp:
ldy #1
ldau0ysp:
lda (c_sp),y
sta ptr1+1
dey
lda (c_sp),y
sta ptr1
ldx #0
.if .cap(CPU_HAS_ZPIND)
lda (ptr1) ; Save one cycle for the C02
.else
lda (ptr1,x)
.endif
rts