本设计的内容是使用最小的单

bootload 汇编语言 -Bootload assembly language

用汇编语言实现的倒计时器，利用1C中断每秒中断约18次的特性，在根据中断次数计算时间，每过一秒，时间以十进制显示在屏幕上，时间减到零时程序退出。-Using assembly language implementation of the countdown device, using 1C interrupted about 18 times per second interruption characteristics, in accordance with interruptions computation time, with every passing second, the time displayed on the screen in decimal, the time reduced to zero to quit.

倒记时电路 用在交通灯-hosts circuits used in traffic lights

Rutina para controlar DS1820

利用汇编语言实现的一个打字练习程序，程序界面为典型的Dos窗口，当字符从窗口顶端掉下来后，如果按键与该字符相同，字符变为红色，在打字结束后，给出打字的统计结果，在打字过程中按ESC可退出程序-The use of assembly language to achieve a typing practice program, the program interface for the typical Dos window, when the characters fall from the top window, if the button with the same characters, the character turns red, in the typing after the end of typing results is given , in the typing process by pressing ESC to exit

用汇编语言实现了数字频率计。实验已经通过，效果很好-Using assembly language to achieve a digital frequency meter. Experiment has already been adopted, the effect of good

6502写24c-6502 was 24c

利用8253的秒表计时程序，中断的源代码-Procedures for the use of 8253" s stopwatch timing, interrupt source

AT89C2051时钟程序 -AT89C2051 clock procedures

一个记事本源程序-a notebook source