1
0
mirror of https://github.com/cc65/cc65.git synced 2024-06-01 13:41:34 +00:00
cc65/libsrc/runtime/lor.s

49 lines
944 B
ArmAsm
Raw Permalink Normal View History

;
; Ullrich von Bassewitz, 06.08.1998
2017-03-12 22:21:43 +00:00
; Christian Krueger, 11-Mar-2017, added 65SC02 optimization
;
; CC65 runtime: or on longs
;
.export tosor0ax, tosoreax
.import addysp1
.importzp sp, sreg, tmp1
2022-04-17 14:06:22 +00:00
2017-03-12 22:21:43 +00:00
.macpack cpu
tosor0ax:
2017-03-12 22:21:43 +00:00
.if (.cpu .bitand ::CPU_ISET_65SC02)
stz sreg
stz sreg+1
.else
ldy #$00
sty sreg
2017-03-12 22:21:43 +00:00
sty sreg+1
2022-04-17 14:06:22 +00:00
.endif
tosoreax:
2017-03-12 22:21:43 +00:00
.if (.cpu .bitand ::CPU_ISET_65SC02)
ora (sp)
ldy #1
.else
ldy #0
ora (sp),y ; byte 0
iny
2022-04-17 14:06:22 +00:00
.endif
2017-03-12 22:21:43 +00:00
sta tmp1
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