假设(DS)=3000H,(SS)=3000H,(AX)=1000H,(BX)=1200H,(SI)=2,(DI)=1,(SP)=100H.(31200H)=20H,请写出下列指令单独执行完后,有关寄存器和存储单元的内容.问:1,ADD AX,1000H ;2,ADD AX ,BX ; 3,MOV[BX] ,AX ;4 ,PUSH AX ;5,DEC BYTE PT
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![假设(DS)=3000H,(SS)=3000H,(AX)=1000H,(BX)=1200H,(SI)=2,(DI)=1,(SP)=100H.(31200H)=20H,请写出下列指令单独执行完后,有关寄存器和存储单元的内容.问:1,ADD AX,1000H ;2,ADD AX ,BX ; 3,MOV[BX] ,AX ;4 ,PUSH AX ;5,DEC BYTE PT](/uploads/image/z/5443786-10-6.jpg?t=%E5%81%87%E8%AE%BE%EF%BC%88DS%EF%BC%89%EF%BC%9D3000H%2C%28SS%29%3D3000H%2C%28AX%29%3D1000H%2C%28BX%29%3D1200H%2C%28SI%29%3D2%2C%28DI%29%3D1%2C%28SP%29%3D100H.%2831200H%29%3D20H%2C%E8%AF%B7%E5%86%99%E5%87%BA%E4%B8%8B%E5%88%97%E6%8C%87%E4%BB%A4%E5%8D%95%E7%8B%AC%E6%89%A7%E8%A1%8C%E5%AE%8C%E5%90%8E%2C%E6%9C%89%E5%85%B3%E5%AF%84%E5%AD%98%E5%99%A8%E5%92%8C%E5%AD%98%E5%82%A8%E5%8D%95%E5%85%83%E7%9A%84%E5%86%85%E5%AE%B9.%E9%97%AE%EF%BC%9A1%2CADD+AX%2C1000H+%3B2%2CADD+AX+%2CBX+%3B+3%2CMOV%5BBX%5D+%2CAX+%3B4+%2CPUSH+AX+%3B5%2CDEC+BYTE+PT)
假设(DS)=3000H,(SS)=3000H,(AX)=1000H,(BX)=1200H,(SI)=2,(DI)=1,(SP)=100H.(31200H)=20H,请写出下列指令单独执行完后,有关寄存器和存储单元的内容.问:1,ADD AX,1000H ;2,ADD AX ,BX ; 3,MOV[BX] ,AX ;4 ,PUSH AX ;5,DEC BYTE PT
假设(DS)=3000H,(SS)=3000H,(AX)=1000H,(BX)=1200H,(SI)=2,(DI)=1,(SP)=100H.(31200H)=20H,
请写出下列指令单独执行完后,有关寄存器和存储单元的内容.
问:
1,ADD AX,1000H ;2,ADD AX ,BX ; 3,MOV[BX] ,AX ;4 ,PUSH AX ;5,DEC BYTE PTR[1200H]
假设(DS)=3000H,(SS)=3000H,(AX)=1000H,(BX)=1200H,(SI)=2,(DI)=1,(SP)=100H.(31200H)=20H,请写出下列指令单独执行完后,有关寄存器和存储单元的内容.问:1,ADD AX,1000H ;2,ADD AX ,BX ; 3,MOV[BX] ,AX ;4 ,PUSH AX ;5,DEC BYTE PT
1,ADD AX,1000H后,(AX)=2000H;
2,ADD AX ,BX 后,(AX)=2200H,(BX)=1200H没有变;
3,MOV[BX] ,AX,(AX)=1000H没有变(BX)=1200H也没有变,但是BX所指的地址为31200H的内存变为1000H;
4 ,PUSH AX(AX)不变,但堆栈指针加2即(SP)=102H,堆栈中增加一个数;
5,DEC BYTE PTR[1200H],(31200H)中的数减一即(31200H)=1FH;
还有,提示下,你的题出错了地方,应该放到电脑/网络的汇编语言里面去的,这里很少有人会汇编!