问答题

简答题

设DS=1000H,ES=2000H,SS=3500H,SI=00A0H,DI=0024H,BX=0100H,BP=0200H, 数据段中变量名为VAL 的偏移地址值为0030H,试说明下列源操作数字段的寻址方式是什 么?物理地址值是多少? 
(1)MOV AX,[100H] 
(2)MOV AX,VAL 
(3)MOV AX,[BX] 
(4)MOV AX,ES:[BX] 
(5)MOV AX,[SI] 
(6)MOV AX,[BX+10H]
(7)MOV AX,[BP] 
(8)MOV AX,VAL[BP][SI] 
(9)MOV AX,VAL[BX][DI] 
(10)MOV AX,[BP][DI]

【参考答案】

(1)直接,10100H
(2)直接,10030H
(3)寄存器间接,10100H
(4)......

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