用汇编写的二叉树遍历程序包括前序，中序，后序遍历。

Anaog to digital by PCF8591 C Language By KEIL

汇编程序求1个数的四次方，8086测试通过。-compilation procedures for a number of the four sides, the 8086 test.

统计字符串中字母和数字的个数，对自学汇编的人会有帮助的，其中有如何输入字符串，如何输出两位数．-statistics strings of letters and digits of the number, the compilation of self-help, which is how the input string, how to double-digit output.

采用PID方式控制直流无刷电机,可使电机的调速范围扩大一倍以上

it can help you know C++ souce program quckily

急大家所需，都是大家急的，网上汇编程序很少为大家提供一个良好的参考材料-U.S. urgently needs U.S. are urgent, on-line assembler for the U.S. rarely provide a good reference material

C51 LCD Keyboard driver

利用PC机的硬件定时8253, 编制秒表延时(0~9秒)程序.要求: 按任意键,开始计时, 在屏幕上以1秒间隔从0到9显示 按ESC键,计时停止.-use of PC hardware-timed 8253, the establishment of a stopwatch Delay (0 ~ 9 seconds) program. Requirements : by the arbitrary button, the timer on screen to a second interval from 0 to 9 shows by the ESC key, a time to stop.

BCD转HEX的51单片机原代码，已经在AT89C51开发台平上调试通过了-BCD to HEX 51 Singlechip the original code has been developed in Taiwan Ping AT89C51 debugging adopted

win32汇编以从内存中动态获取的办法使用API；这种方法使得在pe文件的输入表中看不到该api-win32 compilation from dynamic memory approach to obtain the use of API This method makes the pe file input table can not see the api