本人写的CS1821测试DEMO程序，CS1821兼容HT1621

利用8255可编程并行口做一个扫描键盘实验，把按键输入的键码，显示在由8279控制的七段数码管上。8255PA口做键盘输入线，PB口作扫描线-8255 programmable parallel port using a scanning keyboard to do the experiment, the button input keys code, displayed in the control of the team respectively by 8279 digital tube. 8255PA I make the keyboard input line, PB mouth for scan line

一个I/O实现的8个数码管动态显示程序 内有详细算法说明-An I/O to achieve the 8 digital tube dynamic display procedures have detailed algorithm description

202.asm－－ －演奏“八月桂花香”源程序-202.asm--- Recital 八月桂花香 source

68013与fifo通信设置，还请各位有时间看看！-68,013 fifo communication with the setup, you also have time to look at!

LCD 240*128 T6963C C51程序（1：主程序）-LCD 240* 128 T6963C C51 (1: the main program)

农夫过河问题的解决方法-farmer across the river the solution to the problem

读取TXT文档里的GPS数据卡尔曼滤波程序，对于初学者很有帮助-TXT file to read GPS data in the Kalman filter procedure, very helpful for beginners

利用TDN86/88实验系统模拟交通信号灯的实时控制和管理-TDN86/88 experimental system using real-time simulation of traffic signal control and management of

文件比较小，内容比较简单，很容易看懂，希望对大家有所帮组-document is relatively small, relatively simple and very easy to understand, and I hope to have you help group

温度传感器芯片18B20的操作代码，都是经过验证正在使用的-18B20-chip temperature sensor operation code, are being used to verify