用汇编语言编写的兰花草音乐曲，实验时用51单片机一片，蜂鸣器一个，LM386一片，是学习51单片机典型实例，特共享给大家....

编写程序，程序运行时使PC机成为一架可弹奏的“钢琴”。当按下数字键1~8，依次发出1，2，3，4，5，6，7，I八个音调。按CTRL+C则退出“钢琴”状态。-Write a program, the program is running to make PC-1 may play into the " piano." When pressing the number keys 1 to 8, followed by issue of 1,2,3,4,5,6,7, I eight tones. Press CTRL+ C has withdrawn from the " Piano" state.

资源描述 使用汇编语言编写的实时时钟程序，先初始化程序，设置光标，不断地获取时间，取时、取分、取秒，并不断地循环，在循环过程中，如果用户按下esc键则退出，如此来现实时间界面，获取当前时间

定时器和计数器，proteus仿真，程序原理图全套。-Timers and counters, proteus simulation, process a full set of schematics.

DIALOGIC 会议的测试代码，很有用的，希望对你有帮助。 -Dialogic meeting the test code, very useful, I hope you have help.

汇编语言程序设计（第二版）课后答案，从第二章开始！-Assembly language programming (second edition) after the answer, from the beginning of the second chapter!

《TMS320C240原理与C语言控制应用实习》源代码-"TMS320C240 principle and C language application control attachment" source code

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!

通过C51程序，用户可以使用ATMEL T89C51CC01内置的模数转换功能，提高学习效率

保护模式的资料 masm语言 -Protected Mode information MASM language

用8251a实现串行口异步方式双机通信，波特率1200bps，采用查询方式发送，中断方式接收。双方平时处在查询键盘、等待中断接收状态，并显示相关提示-8251a achieved using an asynchronous serial interface mode dual-machine communication, baud rate 1200bps, using queries sent, interrupt reception. Look at the two sides usually the keyboard, waiting for interrupt reception status, and display-related tips