更多"已知DS=2000H,BX=3000H,SI=4000H。执行完毕MO"的相关试题:
[简答题]假设(DS)=3000H,(SS)=3000H,(AX)=2000H,(BX)=1100H,(SI)=2,(DI)=1,(SP)=100H,(31200H)=40H。
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。ADD AX,1000H
[填空题] 已知DS= ES =1000H执行下列程序: MOV SI,101H MOV DI,100H MOV CX,4 LP1:MOV AL,[ SI] MOV[ DI] ,AL INC SI INC DI LOOP LP1 INT 3 DS:101H DB 69H,23H,56H,3AH 程序运行后结果为:(10100H)= ()H(10101H)= ()H(10102H)= ()H(10103H)= ()H
[填空题] 已知DS=ES=2000H执行下列程序: MOV SI,301H MOV DI,300H MOV CX,4 CLD REP MOVSB INT 3 DS:301H DB 22H,33H,44H,55H 程序运行后结果为:(20300H)=()H(20301H)=()H (20302H)=()H(20303H)=()H
[简答题]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?
[单项选择]已知8086CPU内部CS=1000H,DS=2000H,IP=3000H,则将要执行指令的代码存放在内存单元中的地址为()
A. 4000H
B. 5000H
C. 13000H
D. 23000H
[简答题]堆栈指针SP的初值为3000H,AX=2000H,BX=5000H,执行指令:
[填空题] 阅读下列程序,指出运行结果 MOV SI,2500H MOV AX,1000H MOV DS,AX MOV CL,05H NEXT:MOV[ SI] ,AL INC AL INC SI DEC CL JNZ NEX TINT 3 程序运行后结果为:DS=()H SI=()HAX=()H CL=()H
[单项选择]指令MOV AX,[2000H],设DS=4000H,则寻址的物理有效地址为()
A. 2000H
B. 4000H
C. 42000H
D. 38000H
[简答题]
指出下列指令的错误:
MOV BX,OFFSETMYDAT[SI]
[简答题]传送指令MOV BX,COUNT[SI][BX]中对源操作数的寻址方式是什么?
[单项选择]设(DS)=3000H,(SS)=2000H,(BP)=1000H,指令NEG BYTE PTR[BP]中,操作数的物理地址是()。
A. 40000H
B. 31000H
C. 30000H
D. 21000H
[简答题]请指出MOV BX,[SI+DI]指令中的错误。
[简答题] 已知指令序列为: MOV AX,0FFBDH MOV BX,12F8H IDIV BL 此指令序列执行后,(AX)等于多少?(BX)等于多少?