所以此时SP=00FAH,SS=0500H,CS=1000H,IP=0060H, PSW=0040H。栈顶的三个字是:(0500H:00FAH)=00A2H、(0500H:00FCH)=0800H、 (0500H:00FEH)=0240H 标志寄存器 PSW X X X X OF DF IF TF SF ZF X AF X PF X CF 执行INT 9前 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 执行IN...