1
0
mirror of https://github.com/cc65/cc65.git synced 2026-03-11 08:41:58 +00:00
Files
cc65/libsrc/runtime/popsreg.s
2025-06-22 21:34:41 +00:00

28 lines
674 B
ArmAsm

;
; Ullrich von Bassewitz, 1998-08-21, 2009-02-22
;
; CC65 runtime: Pop TOS into sreg
;
.export popsreg
.import incsp2
.importzp c_sp, sreg
.macpack cpu
popsreg:
pha ; save A
ldy #1
lda (c_sp),y ; get hi byte
sta sreg+1 ; store it
.if (.cpu .bitand ::CPU_ISET_65SC02)
lda (c_sp) ; get lo byte
.else
dey
lda (c_sp),y ; get lo byte
.endif
sta sreg ; store it
pla ; get A back
jmp incsp2 ; bump stack and return