A30500H
B3050H
C50H
D30550H
LES DI,[BX]如果指令执行前(DS)=B000H,(BX)=080AH,(0B080CH)=04ABH,(0B080CH)=4000H,则指令执行后(DI)=(),(ES)=()。
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设(DS)=1000H,(ES)=2000H,(SS)=3000H,(BX)=5000H,(BP)=6000H,(DI)=0001H,内存单元中,(21000H)=1234H,(36000H)=9ABCH,(16000H)=9657H,(41002H)=789AH。则MOV AX,[BX+DI]执行时操作数的物理地址为多少?
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设(DS)=1000H,(ES)=2000H,(SS)=3000H,(BX)=5000H,(BP)=6000H,(DI)=0001H,内存单元中,(21000H)=1234H,(36000H)=9ABCH,(16000H)=9657H,(41002H)=789AH。则MOV AX,ES:[1000H]执行时操作数的物理地址为多少?
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指令ES:ADD AX,[BX+DI+1020H]中,存储器操作数物理地址的计算表达式为()
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假设(DS)=0B000H,(BX)=008AH,(0B08AH)=05AEH,(0B08CH)=4000H,当执行LESDI,[BX]后,(DI)=(),(ES)=()。
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已知(BX)=1290H,(SI)=348AH,(DI)=2976H,(BP)=6756H,(DS)=2E92H,(ES)=4D82H,(SS)=2030H,请指出下列指令的寻址方式,并求出有效地址EA和物理地址:
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给出段地址和偏移地址如下,计算出对应的物理地址:(CS)=54C3H,(ES)=2569H,(DS)=1200H,(SS)=4422H,(BX)=5678H,(SP)=9945H,(IP)=0E54H,(DI)=63B1H。
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设ES=3000H,DI=00FFH,CX=0005H,AL=41H,DF=0,从300FFH开始的连续5个字节单元内容分别是44H,43H,42H,41H。执行REPNZSCASB指令后,正确的结果是()。
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设(DS)=1000H,(ES)=2000H,(SS)=3000H,(BX)=5000H,(BP)=6000H,(DI)=0001H,内存单元中,(21000H)=1234H,(36000H)=9ABCH,(16000H)=9657H,(41002H)=789AH。则MOV AX,[BP]执行后(AX)等于多少?
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