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微机原理与接口技术1、假设(CS)=3000H,(DS)=4000H,(ES)=2000H,(SS)=5000H,(AX)=2060H,(BX)=3000H,(CX)=5,(DX)=0,(SI)=2060H,(DI)=3000H,(43000H)=0A006H,(23000H)=0B116H,(33000H)=0F802H,(25060H)=00B0H,.(SP)=0FFFEH,(CF)=1,(DF)=1,请
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微机原理与接口技术
1、假设(CS)=3000H, (DS)=4000H, (ES)=2000H, (SS)=5000H, (AX)=2060H, (BX)=3000H, (CX)=5, (DX)=0, (SI)=2060H, (DI)=3000H, (43000H)=0A006H, (23000H)=0B116H, (33000H)=0F802H, (25060H)=00B0H,.(SP)=0FFFEH, (CF)=1, (DF)=1, 请写出下列各条指令单独执行完后, 有关寄存器及存储单元的内容, 若影响标志位请给出标志位SF、ZF、OF、CF的值.
(1) SBB AX , BX
(2) MUL BYTE PTR[BX]
(3) AAM
(4) DIVBH
(5) SARAX , CL
(6) XORAX , 0FFE7H
(7) REPSTOSB
(8) JMPWORD PTR[BX]
(9) XCHGAX , ES:[BX+SI]
1、假设(CS)=3000H, (DS)=4000H, (ES)=2000H, (SS)=5000H, (AX)=2060H, (BX)=3000H, (CX)=5, (DX)=0, (SI)=2060H, (DI)=3000H, (43000H)=0A006H, (23000H)=0B116H, (33000H)=0F802H, (25060H)=00B0H,.(SP)=0FFFEH, (CF)=1, (DF)=1, 请写出下列各条指令单独执行完后, 有关寄存器及存储单元的内容, 若影响标志位请给出标志位SF、ZF、OF、CF的值.
(1) SBB AX , BX
(2) MUL BYTE PTR[BX]
(3) AAM
(4) DIVBH
(5) SARAX , CL
(6) XORAX , 0FFE7H
(7) REPSTOSB
(8) JMPWORD PTR[BX]
(9) XCHGAX , ES:[BX+SI]
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