程序执行前有(SP)=34H,(34H)=30H,(33H)=20H,(32H)=10H。执行下列指令后,DPTR中的数据是()。POP APOP DPHPOP DPLA、3020HB、2010HC、3010HD、3034H
程序执行前有(SP)=34H,(34H)=30H,(33H)=20H,(32H)=10H。执行下列指令后,DPTR中的数据是()。POP APOP DPHPOP DPL
- A、3020H
- B、2010H
- C、3010H
- D、3034H
相关考题:
执行MOV AX ,WDAT 指令,要使AX寄存器中内存为3412H,不能采用下列哪种数据定义?A. DSEG SEGMENTWDAT EQU WORD PTR BDATBDAT DB 12H,34HDSEG ENDS B. DESG SEGMENTBDAT DB 12H,34HWDAT = WORD PTR BDATDSEG ENDSC. DESG SEGMENTWDAT EQU THIS WORDBDAT DB 12H,34HDSEG ENDSD. DESG SEGMENTBDAT DB 12H,34HWDAT LABEL WORDDESG EBDS
并行接口8255A 的端口地址为30H~36H,若要将C口的PC4置位,应该使用的指令组是A.MOV AL, 08H OUT 34H, ALB.MOV AL, 09H OUT 34H, ALC.MOV AL, 08H OUT 36H, ALD.MOV AL, 09H OUT 36H, AL
下列语句中能与“DAlDB32H,34H”语句等效的是__。A.MOVDA1,32HMOVDAI+l,34H"B."MOVDA1,32MOVDAI+1,34"C.MOVWORDPTRDA1,3234HD.MOVWORDPTRDAI,‘24’
程序执行前有(SP)=34H,(34H)=30H,(33H)=20H,(32H)=10H。执行下列指令后,DPTR中的数据是( )。POPAPOPDPHPOPDPL A、2010HB、3020HC、3010HD、3034H
假设8086/8088微处理器的(SS)=1050H,(SP)=0008H,(AX)=1234H。执行PUSH AX指令后,下面( )选项是正确的执行结果。A.(10508H)=12H,(10507H)=34HB.(10508H)=34H,(10507H)=12HC.(10507H)=12H,(10506H)=34HD.(10507H)=34H,(10506H)=12H
假设8086/8088微处理器的(SS)=1050H,(SP)=0008H,(AX)=1234H。执行PUSH AX指令后,下面哪一个选项是正确的执行结果?( )。A.(10508H)=12H,(10507H)=34HB.(10508H)=34H,(10507H)=12HC.(10507H)=12H,(10506H)=34HD.(10507H)=34H,(10506H)=12H
设堆栈指针SP中的内容为60H,内部RAM中30H和31H单元的内容分别为24H和10H,执行下列程序段后,61H,62H,30H,31H,DPTR及SP中的内容将有何变化? PUSH 30H PUSH 31H POP DPL POP DPH MOV 30H,#00H MOV 31H,#0FFH
已知下列程序: D1 DB 10 DUP(?) D2 DB 30H,31H,32H,33H,34H,35H,36H,37H,38H,39H ┇ MOV CX,LENGTH D1 MOV SI,SIZE D1—TPYE D1 LP:MOV AL,D2[SI] MOV D1[SI],AL SUB SI,TYPE D1 DEC CX JNZ LP HLT 问: (1)该程序执行后,D1单元开始的10个字节内容是什么? (2)该程序完成的功能是什么?
8086的SS=1060H,SP=0010H,AX=1234H,当执行一条PUSH AX指令时,1234H存放的实际地址是()A、(10610H)=12H,(10611H)=34HB、(10610H)=34H,(10611H)=12HC、(1060EH)=12H,(1060FH)=34HD、(1060EH)=34H,(1060FH)=12H
以下指令中能够在当前段中连续4个字节放入31H,32H,33H,34H的有:()A、DB31H,32H,33H,34HB、DB‘1234’C、DW3132H,3334HD、DW3231H,3433H
假定A=83H,(R0)=17H,(17H)=34H,执行以下程序段 ANL A,#17H ORL 17H,A XRL A,@R0 CPL A 后,A的内容为()。A、CBHB、03HC、EBHD、C8H
问答题设堆栈指针SP中的内容为60H,内部RAM中30H和31H单元的内容分别为24H和10H,执行下列程序段后,61H,62H,30H,31H,DPTR及SP中的内容将有何变化? PUSH 30H PUSH 31H POP DPL POP DPH MOV 30H,#00H MOV 31H,#0FFH
问答题已知下列程序: D1 DB 10 DUP(?) D2 DB 30H,31H,32H,33H,34H,35H,36H,37H,38H,39H ┇ MOV CX,LENGTH D1 MOV SI,SIZE D1—TPYE D1 LP:MOV AL,D2[SI] MOV D1[SI],AL SUB SI,TYPE D1 DEC CX JNZ LP HLT 问: (1)该程序执行后,D1单元开始的10个字节内容是什么? (2)该程序完成的功能是什么?