单片机外部中断的典型应用，proteus仿真，程序，原理图全套。...

汇编教程``挺好`-`` very good compilation Guide `

汇编实验 小球碰壁-Edit collected materials to experiment the small ball to meet rejection

很好的资料 很好的资料 很好的资料 -good goodgoodgoodgoodgood

股票源码!简单实用！方便快捷!直接可用，对系统要求低！ -Stock source! Simple and practical! Convenient! Directly available on the system requirements low!

用51汇编编写的CRC-4校验程序,生成多项式g(x) = x4 + x + 1, 非常适合数据量不大的场合.-51 compilation prepared by CRC-4 checksum procedure to generate the polynomial g (x) = x4+ X+ 1, the amount of data is not very suitable for the occasion.

通过a51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

本动画先显示一些提示信息，然后按任意键进入，只见一个方框向中间由大变小，并留下痕迹，然后出现一个心，按空格重复出现心，按其他键将重复,按Q键退出程序，。-the animation first showing some hints information, and then by arbitrary keys to enter, I saw a box to the middle into small, and leave your mark, and then there appears a heart by heart spaces repeated by other keys to repeat, according to withdraw from the Q key procedures.

国外高手参加世界编程大赛-foreign experts participating in the programming contest

这个源代码是可运行的。-the source code can be run.

将一个无序数组排为升序数组或降序数组，且不丢失原来数据。-A disorderly array of row arrays for ascending or descending array, without loss of the original data.