mirror of
https://github.com/buserror/mii_emu.git
synced 2024-11-25 20:33:52 +00:00
32 lines
401 B
NASM
32 lines
401 B
NASM
; Test ADC/SBC, also BCD, eventual
|
|
.org $2000
|
|
;.verbose
|
|
sec
|
|
lda #$50
|
|
sbc #$f0
|
|
beq fail
|
|
bcs fail
|
|
bvs fail
|
|
cmp #$60
|
|
bne fail
|
|
|
|
sec
|
|
lda #$50
|
|
sbc #$b0
|
|
bpl fail2
|
|
bvc fail2
|
|
cmp #$a0
|
|
bne fail2
|
|
|
|
sec
|
|
lda #$50
|
|
sbc #$30
|
|
bcc fail3
|
|
cmp #$20
|
|
bne fail3
|
|
pass brk
|
|
|
|
fail brk ; Failed basic HEX substraction
|
|
fail2 brk ; N V test
|
|
fail3 brk ; C test
|