16F877 achieve a stopwatch function of time

Landscape key list: Right/Left - Spin landscape Forward/Back - Move in current direction either forward or backward Space - Move the water level up and down ESC - Exit-Landscape key list: Right/Left - Spin landscape Forward/Back - Move in current direction either forward or backward Space - Move the water level up and down ESC - Exit

利用单片机ATC51和汇编语言来实现交通灯。其中有PROTUES仿真图，和汇编语言来实现的程序。-The use of microcontrollers and assembly language to achieve ATC51 traffic lights. Which PROTUES simulation map, and assembly language to implement procedures.

用matlab编写的关于用传输矩阵法计算一维光子晶体的透射率随周期数变化的程序,感觉非常有用-using Matlab prepared on the use of the transfer matrix method one-dimensional photonic crystal with the transmission cycle Change The procedure, a very useful

查找匹配字符串汇编语言程序设计子程序设计-find matching string assembly language subroutine Design Program Design

在pe文件上增加可执行代码；该程序是尝试用win32汇编程序对pe文件进行最基本的修改；-Document an increase in pe executable code the program is to try to use win32 assembler of pe most fundamental changes to documents

CPK VB代码

C++实现操作系统中的银行家算法,只具有实现算法中的核心部分的代码,没有图形界面,有待修改.-C++ Realize operating system in the banker

此程序可以实现键盘发音功能，按1、2、3、4、5、6、7、8即可发音，按F6结束！-this procedure can be achieved pronunciation function keyboard, can be pronounced by 1,2,3,4,5,6,7,8, by the end of F6!

简单的功能介绍：本软件是由，三块模块组成。一个是打字练习，一个是打字计时，一个是音乐练习。本软件解决了打字练习途中的估噪无味，提升练习效果。本游戏有4个等级,可以根据情况来选择。这个软件还改进了，判断你是否打字失败功能。如果，打字失败，还可以从来，亦可退出。打字计时，为你打字计时间，提高效率。同时，电子琴音乐，为你在无聊时，增添色彩，可以练习歌谱，提高兴趣。-Simple, functional description: This software is, three modules. 1 is a typing exercise, one is typing time, a music practice. The software solves the assessed noise typing practice tasteless way to improve practice effect. This game has four levels, you can choose depending on the circumstances. The software also improved, to determine whether you have failed typing feature. If, typing fails, you can never can quit. Typing time for your time typing dollars and improve efficiency. At the same time, organ music, for when you" re bored, add color, you can practice song sheet, interest.

1、用8255的A口驱动六个七段数码管（LED）的字段，C口驱动六位七段数码管（LED）的位控端，右侧两位显示分值，左侧两位显示秒值。 2、段数码管采用动态扫描方式，用8253做定时器（采用查询方式），每位显示的时间50Hz。 3、以5ms为基本时间单位，计数产生秒时间值，秒计数到60时对分计数，分计数到69时对时计数。 -BUFF_KEY EQU 21H BUFF_LED1 EQU 22H BUFF_LED2 EQU 23H BUFF_LED3 EQU 24H BUFF_LED4 EQU 25H BUFF_LED5 EQU 26H BUFF_LED6