请写出如下程序中每条指令顺序执行后寄存器AX的内容

2025-03-01 19:09:00
推荐回答(1个)
回答1:

MOV AX ,123H ;ax==0123h
MOV AL ,81H ;ax==0181h
MOV AH ,96H ;ax==9681h
MOV AL ,98H ;ax==9698h
MOV AL ,AH ;ax==9696h
ADD AH ,AL ;ax==2c96h,cf==1
ADC AX ,0DEH ;ax==2d76h
SUB AX ,0FFFH;ax==1d77h