标签：办公软件技巧,软件测试面试技巧,办公软件使用技巧,http://www.duowen123.com
打印机的复位,
程序清单：
LPT1 equ 0008h
code segment
assume cs:code,ds:code
org 100h
start: mov ax,j0040h
mov ds,ax
mov dx,ds:LPT1 ;dx=LPT1 data port
inc dx ;dx=LPT1 state port
inc dx ;dx=LPT1 command port
mov al,08h
out dx,al
push dx
mov dx,0032h
mov cx,0000h
mov ah,86h
int 15h
pop dx
mov al,0Ch
out dx,al
int 20h
code ends
end start
(上海 庄炯)
，打印机的复位
