A.MOV [SI],[DI] B.IN AL,DX C.JMP WORD PTR[BX+8] D.PUSH WORD PTR 20[BX+SI-2]
A.HLTB.RETC.IRETD.POP
A.0FH,04H B.0BH,04H C.0FH,0BH D.04H,0FH