设DS=3000H,SS=1000H,ES=4000H,SI=A0H,BX=80H,BP=20H,数据段中Count的偏移地址为100H,试指出下列指令中源操作数的寻址方式,其物理地址是多少?画出存储单元示意图.MOVAX,[BP+10H] MOVAX ,Count[BX][SI] ADD[DI] ,BP INC WO
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 20:17:59
![设DS=3000H,SS=1000H,ES=4000H,SI=A0H,BX=80H,BP=20H,数据段中Count的偏移地址为100H,试指出下列指令中源操作数的寻址方式,其物理地址是多少?画出存储单元示意图.MOVAX,[BP+10H] MOVAX ,Count[BX][SI] ADD[DI] ,BP INC WO](/uploads/image/z/3939875-35-5.jpg?t=%E8%AE%BEDS%3D3000H%2CSS%3D1000H%2CES%3D4000H%2CSI%3DA0H%2CBX%3D80H%2CBP%3D20H%2C%E6%95%B0%E6%8D%AE%E6%AE%B5%E4%B8%ADCount%E7%9A%84%E5%81%8F%E7%A7%BB%E5%9C%B0%E5%9D%80%E4%B8%BA100H%2C%E8%AF%95%E6%8C%87%E5%87%BA%E4%B8%8B%E5%88%97%E6%8C%87%E4%BB%A4%E4%B8%AD%E6%BA%90%E6%93%8D%E4%BD%9C%E6%95%B0%E7%9A%84%E5%AF%BB%E5%9D%80%E6%96%B9%E5%BC%8F%2C%E5%85%B6%E7%89%A9%E7%90%86%E5%9C%B0%E5%9D%80%E6%98%AF%E5%A4%9A%E5%B0%91%3F%E7%94%BB%E5%87%BA%E5%AD%98%E5%82%A8%E5%8D%95%E5%85%83%E7%A4%BA%E6%84%8F%E5%9B%BE.MOVAX%2C%5BBP%2B10H%5D+MOVAX+%2CCount%5BBX%5D%5BSI%5D+ADD%5BDI%5D+%2CBP+INC+WO)
设DS=3000H,SS=1000H,ES=4000H,SI=A0H,BX=80H,BP=20H,数据段中Count的偏移地址为100H,试指出下列指令中源操作数的寻址方式,其物理地址是多少?画出存储单元示意图.MOVAX,[BP+10H] MOVAX ,Count[BX][SI] ADD[DI] ,BP INC WO
设DS=3000H,SS=1000H,ES=4000H,SI=A0H,BX=80H,BP=20H,数据段中Count的偏移地址为100H,试指出下列指令中源操作数的寻址方式,其物理地址是多少?画出存储单元示意图.
MOVAX,[BP+10H]
MOVAX ,Count[BX][SI]
ADD[DI] ,BP
INC WORD PTR [1000H]
设DS=3000H,SS=1000H,ES=4000H,SI=A0H,BX=80H,BP=20H,数据段中Count的偏移地址为100H,试指出下列指令中源操作数的寻址方式,其物理地址是多少?画出存储单元示意图.MOVAX,[BP+10H] MOVAX ,Count[BX][SI] ADD[DI] ,BP INC WO
MOV AX, [BP+10H]
[BP+10H] 为基址寻址,物理地址=(SS)*16+(BP)+10H = 10030H
MOV AX , Count[BX][SI]
Count[BX][SI] 为带位移的基址变址寻址,物理地址=(DS)*16+(BX)+(SI)+COUNT=30220H
ADD [DI] , BP INC WORD PTR [1000H]
BP INC WORD PTR [1000H] 为基址寻址,物理地址=(SS)*16+(BP)+1000H = 11020H