rk65c02/test/test_emulation_sign_overflow_basic.s

start:	clc
	adc #0x10
	clc
	adc #0x50
	clc
	adc #0x90
	clc
	adc #0xD0
	clc
	adc #0x10
	clc
	adc #0x50
	clc
	adc #0x90
	clc
	adc #0xD0

	sec
	sbc #0xF0
	sec
	sbc #0xB0
	sec
	sbc #0x70
	sec
	sbc #0x30
	sec
	sbc #0xF0
	sec
	sbc #0xB0
	sec
	sbc #0x70
	sec
	sbc #0x30

	stp