檢測點?2.1

(1)?寫出每條匯編指令執行后相關寄存器中的值。

mov ax,62627?? AX=F4A3H?

mov ah,31H???? AX=31A3H?

mov al,23H???? AX=3123H?

add ax,ax????? AX=6246H?

mov bx,826CH?? BX=826CH?

mov cx,ax????? CX=6246H?

mov ax,bx????? AX=826CH?

add ax,bx????? AX=04D8H?

mov al,bh???? ?AX=0482H?

mov ah,bl????? AX=6C82H?

add ah,ah????? AX=D882H?

add al,6?????? AX=D888H?

add al,al????? AX=D810H?

mov ax,cx????? AX=6246H

?

Microsoft(R) Windows DOS

(C)Copyright Microsoft Corp 1990-2001.

C:\DOCUME~1\ADMINI~1>debug

-a

0C1C:0100 mov ax,f4a3

0C1C:0103 mov ah,31

0C1C:0105 mov al,23

0C1C:0107 add ax,ax

0C1C:0109 mov bx,826c

0C1C:010C mov cx,ax

0C1C:010E mov ax,bx

0C1C:0110 add ax,bx

0C1C:0112 mov al,bh

0C1C:0114 mov ah,bl

0C1C:0116 add ah,ah

0C1C:0118 add al,6

0C1C:011A add al,al

0C1C:011C mov ax,cx

0C1C:011E

-r

AX=0000? BX=0000? CX=0000? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0100?? NV UP EI PL NZ NA PO NC

0C1C:0100 B8A3F4??????? MOV???? AX,F4A3

-t

AX=F4A3? BX=0000? CX=0000? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0103?? NV UP EI PL NZ NA PO NC

0C1C:0103 B431????????? MOV???? AH,31

-t

AX=31A3? BX=0000? CX=0000? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0105?? NV UP EI PL NZ NA PO NC

0C1C:0105 B023????????? MOV???? AL,23

-t

AX=3123? BX=0000? CX=0000? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0107?? NV UP EI PL NZ NA PO NC

0C1C:0107 01C0????????? ADD???? AX,AX

-t

AX=6246? BX=0000? CX=0000? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0109?? NV UP EI PL NZ NA PO NC

0C1C:0109 BB6C82??????? MOV???? BX,826C

-t

AX=6246? BX=826C? CX=0000? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=010C?? NV UP EI PL NZ NA PO NC

0C1C:010C 89C1????????? MOV???? CX,AX

-t

AX=6246? BX=826C? CX=6246? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=010E?? NV UP EI PL NZ NA PO NC

0C1C:010E 89D8???????? ?MOV???? AX,BX

-t

AX=826C? BX=826C? CX=6246? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0110?? NV UP EI PL NZ NA PO NC

0C1C:0110 01D8????????? ADD???? AX,BX

-t

AX=04D8? BX=826C? CX=6246? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0112?? OV UP EI PL NZ AC PE CY

0C1C:0112 88F8????????? MOV???? AL,BH

-t

AX=0482? BX=826C? CX=6246? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0114?? OV UP EI PL NZ AC PE CY

0C1C:0114 88DC????????? MOV???? AH,BL

-t

AX=6C82? BX=826C? CX=6246? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0116?? OV UP EI PL NZ AC PE CY

0C1C:0116 00E4????????? ADD???? AH,AH

-t

AX=D882? BX=826C? CX=6246? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0118?? OV UP EI NG NZ AC PE NC

0C1C:0118 0406????????? ADD???? AL,06

-t

AX=D888? BX=826C? CX=6246? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=011A?? NV UP EI NG NZ NA PE NC

0C1C:011A 00C0????????? ADD???? AL,AL

-t

AX=D810? BX=826C? CX=6246? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=011C?? OV UP EI PL NZ AC PO CY

0C1C:011C 89C8????????? MOV? ???AX,CX

-t

AX=6246? BX=826C? CX=6246? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=011E?? OV UP EI PL NZ AC PO CY

0C1C:011E 0B0C????????? OR????? CX,[SI]??????????????????????????? DS:0000=20CD

-q

檢測點2.1

(2)?只能使用目前學過的匯編指令，最多使用4條指令，編程計算2的4次方。?

mov? ax,2???????? AX=2?

add? ax,ax??????? AX=4?

add? ax,ax??????? AX=8?

add? ax,ax??????? AX=16?

?

?

Microsoft(R) Windows DOS

(C)Copyright Microsoft Corp 1990-2001.

C:\DOCUME~1\ADMINI~1>debug

-a

0C1C:0100 mov ax,2

0C1C:0103 add ax,ax

0C1C:0105 add ax,ax

0C1C:0107 add ax,ax

0C1C:0109

-r

AX=0000? BX=0000? CX=0000? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0100?? NV UP EI PL NZ NA PO NC

0C1C:0100 B80200??????? MOV???? AX,0002

-t

AX=0002? BX=0000? CX=0000? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0103?? NV UP EI PL NZ NA PO NC

0C1C:0103 01C0????????? ADD???? AX,AX

-t

AX=0004? BX=0000? CX=0000? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0105?? NV UP EI PL NZ NA PO NC

0C1C:0105 01C0????????? ADD???? AX,AX

-t

AX=0008? BX=0000? CX=0000? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0107?? NV UP EI PL NZ NA PO NC

0C1C:0107 01C0????????? ADD???? AX,AX

-t

AX=0010? BX=0000? CX=0000? DX=0000? SP=FFEE? BP=0000? SI=0000? DI=0000

DS=0C1C? ES=0C1C? SS=0C1C? CS=0C1C? IP=0109?? NV UP EI PL NZ AC PO NC

0C1C:0109 20881615????? AND???? [BX+SI+1516],CL??????????????????? DS:1516=00

-q

轉載于:https://www.cnblogs.com/Zblogs/p/3280658.html

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