c编程技巧１００之２

PC机的串口收发软件　！！！C语言 PC机的串口收发软件　！！！C语言-PC serial port transceiver software! ! ! C language PC serial port transceiver software! ! ! C language PC serial port transceiver software! ! ! C Language

MCS51四字节除法运算程序，可计算出四字节的商和四字节的余数。-mcs51 division operation routine for tetra-byte ,may calculate both quotient of tetra-byte and remaining of tetra-byte

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chaoshi guan li xitong

五个按键：关机off键，开机on键，五分钟定时键，十分钟定时键，二十分钟定时键，按相应的按键实现相应的功能，输出4HZ的方波-5 buttons: off off key, turn on key, five minutes from time to time key, 10 minutes from time to time key, 20 minutes from time to time, press the corresponding button to achieve the corresponding functions of the square wave output of 4HZ

汇编语言编写的TI54xxd的带通滤波器程序-assembly language TI54xxd prepared by the band-pass filter process

一个简单的汇编语言编制的发声程序 键盘输入１到８的数据串后回车　 程序按音乐发声　９　退出程序-a simple compilation of the audible language procedures keyboarding 1-8 after a string of data on the transport procedures music audible exit 9

数字钟程序，适合于在校学习学习使用，理解此程序，对于以后的编程十分有用-Digital clock procedures, suitable for use in school learning, understanding this process, for future programming very useful

一个汇编语言程序，功能是输入一个字符及其前导字符和后续字符！-an assembly language program, which aims to bring in a pre-characters and characters and follow-up characters!

汇编语言的打字游戏，包括鼠标控制，直接写显存的图形界面，通过rs232连机，记录存档等功能。-An asm typing game. Includes features such as mouse control, direct video memory access, serial communication via rs232 and high score keeping and etc.