1
0
mirror of https://github.com/cc65/cc65.git synced 2024-12-26 08:32:00 +00:00
cc65/libsrc/runtime/land.s

49 lines
1014 B
ArmAsm
Raw 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: and on longs
;
.export tosand0ax, tosandeax
.import addysp1
.importzp sp, sreg, tmp1
2017-03-12 22:21:43 +00:00
.macpack cpu
tosand0ax:
2017-03-12 22:21:43 +00:00
.if (.cpu .bitand ::CPU_ISET_65SC02)
stz sreg
stz sreg+1
.else
ldy #$00
sty sreg
sty sreg+1
2017-03-12 22:21:43 +00:00
.endif
tosandeax:
2017-03-12 22:21:43 +00:00
.if (.cpu .bitand ::CPU_ISET_65SC02)
and (sp) ; byte 0
ldy #1
.else
ldy #0
and (sp),y ; byte 0
iny
2017-03-12 22:21:43 +00:00
.endif
sta tmp1
txa
and (sp),y ; byte 1
tax
iny
lda sreg
and (sp),y ; byte 2
sta sreg
iny
lda sreg+1
and (sp),y ; byte 3
sta sreg+1
lda tmp1
jmp addysp1