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题目内容
(河南科技大学计算机接口技术)
[计算题,5分]
现有(DS)=2000H,(BX)=0100H,(SI)=0002H,(20100H)=12H,(20101H)=34H,(20102H)=56H,(20103H)=78H,(21200H)=2AH,(21201H)=4CH,(21202H)=B7H,(21203H)=65H,试说明下列各条指令执行完后AX寄存器的内容。
(1)MOV AX,1200H
(2)MOV AX,BX
(3)MOV AX,[1200H]
(4)MOV AX,[BX]
现有(DS)=2000H,(BX)=0100H,(SI)=0002H,(20100H)=12H,(20101H)=34H,(20102H)=56H,(20103H)=78H,(21200H)=2AH,(21201H)=4CH,(21202H)=B7H,(21203H)=65H,试说明下列各条指令执行完后AX寄存器的内容。
(1)MOV AX,1200H
(2)MOV AX,BX
(3)MOV AX,[1200H]
(4)MOV AX,[BX]
参考答案