1
0
mirror of https://github.com/cc65/cc65.git synced 2024-11-02 18:06:48 +00:00
cc65/libsrc/runtime/lor.s

37 lines
707 B
ArmAsm
Raw Normal View History

;
; Ullrich von Bassewitz, 06.08.1998
;
; CC65 runtime: or on longs
;
.export tosor0ax, tosoreax
.import addysp1
.importzp sp, sreg, tmp1
tosor0ax:
ldy #$00
sty sreg
sty sreg+1
tosoreax:
ldy #0
ora (sp),y ; byte 0
sta tmp1
iny
txa
ora (sp),y ; byte 1
tax
iny
lda sreg
ora (sp),y ; byte 2
sta sreg
iny
lda sreg+1
ora (sp),y ; byte 3
sta sreg+1
lda tmp1
jmp addysp1