dzxujinsong 发表于 2021-6-27 12:32:46

检测点2.1

1.写出每条汇编指令执行后相关寄存器中值:
 
 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=6246

static/image/hrline/5.gif

 用汇编指令编2……4,编程如下:

 MOV AX,2

 ADD AX,AX

 ADD AX,AX

 ADD AX,AX

 
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