move.w #-0x1,D0w
<L0> (entry=0x206ea):
	D0w = 0xffff:2
	NF = 0x1:1
	ZF = 0x0:1
	VF = 0x0:1
	CF = 0x0:1

extb.l D0
<L0> (entry=0xffbda):
	D0 = sext(D0b)

