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rk65c02/test/test_emulation_sbc_bcd.s
2017-02-12 23:28:06 +01:00

31 lines
273 B
ArmAsm

; somewhat inspired by http://www.6502.org/tutorials/decimal_mode.html
start: sed
sec
lda #0x46
sbc #0x12
sta 0x10
php
plx
stx 0x11
sed
sec
lda #0x40
sbc #0x13
sta 0x20
php
plx
stx 0x21
sed
clc
lda #0x32
sbc #0x02
sta 0x30
php
plx
stx 0x31
stp