This is a simulation of serial IO port, using a program written in assembly code...

中断程序的一个典型示例，8253，8255，8259的综合应用。-A typical example of interrupt program, 8253,8255,8259 integrated application.

这是一个在两台pc机之间通过串口传输文件的汇编程序-This is one of the two PCs via serial port to transfer files to the assembler

写一个函数，求一个字符串的长度，在main函数中输入字符串，并输出其长度-Writing a function, and the length of a string, in the main function in the input string and output its length

在dos下编程，列举出系统中的全部PCI设备，显示出厂商和设备号-Under the dos program to enumerate all the PCI devices in the system, indicating that manufacturers and device number

ADuc812的各种功能程序的例子!很有参考价值

一个C style Assembler的source code-one of the C style Assembler source code

汇编写的非压缩BCD码减法。实现两个非压缩BCD码在机器语言中的减法。但未实现输入-compilation write uncompressed BCD subtraction. Achieving two non-compressed BCD in the machine language of subtraction. But to achieve the importation

本程序是通过74HC573锁存器控制八个数码管，给大家参考。-The program is controlled through the 74HC573 latch 8 digital tube, for your reference.

汇编实现统计一个串中 数字 字母 其他字符个有几个-Compilation of statistics to achieve a string of alphanumeric characters which have a number of other

本代码主要是用于在显示系统上实时显示：时，分，秒，-the code is mainly used in the real-time display system shows : when, minutes and seconds.