A.CF=0,OF=0 B.CF=0,OF=1 C.CF=1,OP=0 D.CF=1,OF=1
A.2DH B.OD3H C.74H D.00H
A.03,00,04,02 B.02,04,00,03 C.33,30,34,32 D.32,34,30,33