Application of serial interface experiments

AWARD BIOS源代码,支持的CHIPSET请看文件,有同型号的板子烧上去就可以跑-the compressed file contains the source code of AWARD BIOS.Supported chipsets are listed in the related file.One can complie,download and run it on the mainboard if he has such one.

x86保护模式编程教程,简明易懂，进入低层编程的门槛，很不错的资料哦-x86 protected mode programming guides, simple, low-level programming to enter the threshold of very good information!

伟福LAB2000单片机仿真系统直流电机控制:利用实验仪上的D/A变换电路，输出-8V至+8V电压，控制直流电机。改变输出电.压值，改变电机转速，用8255 的PB.0 读回脉冲计数，计算电机转速。在电压允许范围内，直流电机的转速随着电压的升高而加快，若加上的电压为负电压，则电机会反向旋转。本实验仪的D/A变换可输出-8V到+8V的电压，将电压经驱动后加在直流电机上，使其运转。通过单片机输出数据到D/A变换电路，控制电压的高低和正负，观察电机的旋转情况。 在电机转盘上安装一个小磁芯，用霍尔元件感应电机转速，用单片机控制8255读回感应脉冲，从而测算出电机的转速。 -err

可编程并行接口实验源程序，通过此实验可掌握8255方式0的工作原理及使用方法。编程从8255C口输入数据，再从A口输出-procedure for a programmable parallel interface experiment source, the passage of this experiment can seize 8,255 0 means the working principle and methods of use. Programming from the 8255C I input data, from A mouth output.

从键盘读入一个四位的十六进制数，CRT显示等值的二进制数. 由于每个十六进制数位对应4个二进制，所以每读入一个十六进制位后，即可将其对应的4个二进制位依次输出。由于数字‘０’~ ‘９’的ASCⅡ码为30H～39H,字母‘a’～‘f’与 ‘A’～‘F’的ASCⅡ码为61H～66H 与41H～46H ，因此，如果输入的字母为数字‘０’～‘９’，则其低４位即为对应的二进制位；如果输入的字符为字母‘ａ’～‘ｆ’或‘Ａ’～‘Ｆ’，则需要减７，然后通过移位将低４位依次输出。 -Reading from the keyboard into a 4 hexadecimal number, CRT display equivalent binary number. Since each hexadecimal number of the corresponding 4-bit binary, so every time into a hexadecimal places, can be its corresponding 4-bit binary sequence output. Due to the number

此程序是七彩渐变控制程序，利用采交流频率实现同步，由红绿蓝三基色实现七彩。-This procedure is colorful gradient control procedures, the use of mining realize the exchange of frequency synchronization, by the RGB trichromatic color realize.

算十万的阶乘,对于计算机和程序员都是一个挑战,本源程序实现了求大数的阶乘,是用汇编写的,相对速度很快,算十万的阶乘在我赛扬2.4,内存256的神舟笔记本上,用了20多分钟.算出得数写在一个TXT文件下,十万的阶乘结果,用记事本打开,都要好一会儿.-Count of thousands of factorial, for computers and programmers is a challenge to realize the source of the order of the factorial of large numbers, is written in the compilation of a relatively quick, and counting of thousands of factorial in my 2.4 Celeron, memory 256 Shenzhou notebook, spent more than 20 minutes.得数calculated to write in a TXT file, the thousands of factorial results, use Notepad to open, should a good moment.

这个程序主要是为了简单方便的改变屏幕的分辨率。-This procedure is simple and convenient in order to change the screen resolution.

gal16v8及gal20v8的编译程序源码，小日本写的，用optasm编译（该编译软件我也没找到，手上有的朋友请告诉一声，兄弟感激不尽），可以将eqn格式的文件编译成jed格式的文件-gal16v8 gal20v8 and the compiler source, the small Japanese writing, with optasm compiler (compiler software that I have not found the hands of some friends tell that as soon as the brothers eternally grateful), eqn format can be compiled into a document format documents jed

using pic 16c57 to realize the caller ID phone -using pic 16c57 to realize the caller ID phoxim ne