This is a digital display of the source, I hope everyone from the use of

很小的ＯＳ只有８００多Ｋ，下载来研究研究吧，-A very small OS only more than 800 K, download it to study the study,

最新的计算器1.5-latest Calculator 1.5

《多按键处理程序 》，适用于工控按键处理 -"multi-key handling procedures" applicable to industrial processing keys

文件加密程序,汇编语言编写程序,源代码基本代码-File encryption procedures, assembly language programming, source code basic code

cdecl函数调用，了解printf这样的函数调用，对比stdcall会更清楚。-cdecl function call, to understand such a function call printf, compared stdcall will be clearer.

8031直接驱动LED的电路 以下是利用8031的I/O口直接驱动LED的电路原理图。电路通过8031的P0、P2口连接一片74LS373和一片27128构成外拓存储器，通过P1口直接连接LED，驱动显示器，通过P3.0、P3.1、P3.2、P3.3连接电平开关S1、S2、S3、S4作为逻辑输入控制。-8031 direct-drive LED circuit is the use of 8031 following the I/O port directly drive LED circuit schematic. Circuit through the 8031

TLV2544/48 Interface routine

Filter digital in uC

用汇编程序实现串行通信 只能传256个数字 但有界面，大部分代码用于实现界面-compiled using serial communication program could send 256 digital interface but, most of code used to implement interface

是非颠倒收发撒的发送方式大法师的方式答复撒 的算法是地方 -Non-reversal mode transceiver Caesar sent the way of responding to large Master sprinkle the algorithm is place