AZF=1
BZF=0
CSF=l
D.SF=0
AMOV[BX+SI],BX
BMOVCL,[BP+DI]
CMOVCS,AX
D.MOVDS,AX
ABX
BBP
CSI
D.DI
A ‘AD’
B ‘BC’
C ‘DA’
D.‘CB’
A MOV AL,DX
B SHR DX,CL
C IN AL,DX
D OUT 02,AL