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6502bench/SourceGen/SGTestData/Expected/1003-flags-and-branches_cc65.S
Andy McFadden 59b7ec0dea Recognize that LSR always clears the 'N' flag
The instruction shifts 0 into the high bit, so the result is never
negative.  Added a test case to 1003-flags-and-branches.
2020-04-23 17:23:12 -07:00

278 lines
4.4 KiB
ArmAsm

.setcpu "65816"
; .segment "SEG000"
.org $1000
.a8
.i8
clc
xce
sep #$ff
clv
cld
cli
clc
lda #$80
lda #$01
sed
sei
sec
lda #$ff
adc #$00
sep #$ff
rep #$80
rep #$40
rep #$20
.a16
rep #$10
.i16
rep #$08
rep #$04
rep #$02
rep #$01
sep #$00
sep #$ff
.a8
.i8
rep #$00
rep #$ff
.a16
.i16
lda #$feed
sec
xce
.a8
.i8
lda #$ff
rep #$30
lda #$ff
clc
xce
lda #$ff
rep #$20
.a16
sep #$10
lda #$0000
ldx #$01
ldy #$02
sep #$20
.a8
rep #$10
.i16
lda #$01
ldx #$0000
ldy #$0000
sep #$30
.i8
lda #$00
pha
plp
rep #$80
bpl L105F
.byte $00
.byte $00
L105F: sep #$80
bpl @L1065
bmi @L1067
@L1065: .byte $00
.byte $00
@L1067: rep #$40
bvc @L106D
.byte $00
.byte $00
@L106D: sep #$40
bvs @L1073
.byte $00
.byte $00
@L1073: rep #$01
bcc @L1079
.byte $00
.byte $00
@L1079: sep #$01
bcs @L107F
.byte $00
.byte $00
@L107F: rep #$02
bne @L1085
.byte $00
.byte $00
@L1085: sep #$02
beq @L108B
.byte $00
.byte $00
@L108B: sep #$ff
lda #$01
bne @L1093
.byte $00
.byte $db
@L1093: lda #$00
beq @L1099
.byte $00
.byte $db
@L1099: bpl @L109D
.byte $00
.byte $db
@L109D: lda #$80
bmi @L10A3
.byte $00
.byte $db
@L10A3: lda #$ff
and #$00
beq @L10AB
.byte $00
.byte $db
@L10AB: lda #$00
and #$ff
beq @L10B3
.byte $00
.byte $db
@L10B3: lda #$ff
and #$7f
bne @L10BB
brk
.byte $db
@L10BB: bpl @L10BF
.byte $00
.byte $db
@L10BF: lda #$ff
and #$80
bmi @L10C7
.byte $00
.byte $db
@L10C7: lda #$00
ora #$00
beq @L10CF
.byte $00
.byte $db
@L10CF: ora #$01
bne @L10D5
.byte $00
.byte $db
@L10D5: lda #$00
ora #$7f
bpl @L10DD
.byte $00
.byte $db
@L10DD: ora #$80
bmi @L10E3
.byte $00
.byte $db
@L10E3: lda @L10E3
sec
ror A
bmi @L10EC
.byte $00
.byte $dc
@L10EC: clc
ror A
bpl @L10F2
.byte $00
.byte $dc
@L10F2: lda #$00
sec
rol A
bne @L10FA
.byte $00
.byte $dc
@L10FA: lda #$ff
lsr A
bpl @L1101
.byte $00
.byte $dd
@L1101: clc
php
sec
plp
bcc @L1109
.byte $00
.byte $00
@L1109: sec
bcs @L110D
@L110C: clc
@L110D: lda $33
beq @L110C
bcs @L1115
lda $44
@L1115: nop
rep #$20
.a16
sep #$10
jsr @L1131
rep #$30
.i16
jsr @L1137
sep #$30
.a8
.i8
jsr @L1137
rep #$20
.a16
sep #$10
jsr @L1131
sep #$30
.a8
rts
.a16
@L1131: lda #$1234
ldx #$ff
rts
.a8
@L1137: lda #$ff
ldx #$ee
ldy #$dd
rts