upd 51 6464a acquisition procedures compilation directives

键盘扫描输出点初始化，调用键盘扫描程序，每移一位,键盘接收端检测一次 -Keyboard scan output point initialization, call the keyboard scanning process, each one shift, keyboard receiver detection time

可编程并行接口实验源程序，通过此实验可掌握8255方式0的工作原理及使用方法。编程从8255C口输入数据，再从A口输出-procedure for a programmable parallel interface experiment source, the passage of this experiment can seize 8,255 0 means the working principle and methods of use. Programming from the 8255C I input data, from A mouth output.

编写一个函数，输入为偶数时，调用函数求,当输入为奇数时，调用函数1(利用指针函数)-The preparation of a function, even when the input, call function for, when the input is odd, one function call (using indicator functions)

老实说了，那些我还不知道是什么来的，希望有能力的人，可以告诉我吧，多谢了-Frankly speaking, and those I do not know what to hope that those who have the ability, you can tell me, I would like to thank the

红外键值码LED显示,用于C51程序,解码遥控器编码 -IR key code LED display for the C51 process, decoding the remote control code

ic卡sle4442代码 -ic card sle4442 code

电子血压计，基于无偿测量方法的电子血压计的程序，我们这个短学期做的-Electronic blood pressure monitor, based on the free electronic sphygmomanometer measurement procedures, we do the short-term

AT89C2051时钟程序 -AT89C2051 clock procedures

一个的usb源码，提供给大家参考一下，有什么问题请指教-a source of usb, to refer to, what issues please enlighten

80x86asm程序设计基础教程中文版-80x86asm Programming Guide based Chinese version