指出下列指令的错误(1)SUB AH,BX(2)ADD OAH,BL(3)MOV C3,AX(4)MOV AX,[SI][DI](5)MOV BYTEPTR[BX],999
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分析下列指令的正误,对于错误的指令要说明原因并加以改正。 (1) MOV AH,BX (2) MOV [BX],[SI] (3) MOV AX,[SI][DI] (4) MOV MYDAT[BX][SI],ES:AX (5) MOV BYTE PTR[BX],1000 (6) MOV BX,OFFSET MAYDAT[SI] (7) MOV CS,AX (8) MOV DS,BP
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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。MOV AX,[BX][SI]。
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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。MOV AX,1100[BX][SI]。
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已知:DS=2000H,BX=0300H,SI=0002H,(20300H)=12H,(20301)=34H,(20302H)=56H,(20303H)=78H,(21400H)=2AH,(21401H)=4CH,(21402H)=B7H,(21403H)=65H 试说明下列指令执行完后AX寄存器的内容:MOV AX,[BX]
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已知:DS=2000H,BX=0300H,SI=0002H,(20300H)=12H,(20301)=34H,(20302H)=56H,(20303H)=78H,(21400H)=2AH,(21401H)=4CH,(21402H)=B7H,(21403H)=65H 试说明下列指令执行完后AX寄存器的内容:MOV AX,1400H
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已知:DS=2000H,BX=0300H,SI=0002H,(20300H)=12H,(20301)=34H,(20302H)=56H,(20303H)=78H,(21400H)=2AH,(21401H)=4CH,(21402H)=B7H,(21403H)=65H 试说明下列指令执行完后AX寄存器的内容:MOV AX,[1400H]
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已知:DS=2000H,BX=0300H,SI=0002H,(20300H)=12H,(20301)=34H,(20302H)=56H,(20303H)=78H,(21400H)=2AH,(21401H)=4CH,(21402H)=B7H,(21403H)=65H 试说明下列指令执行完后AX寄存器的内容:MOV AX,BX
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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。MOV AX,BX。
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