用于开发税务票据管理的软件，可以打印，生成报表

这是关于ＭＳＣＯＭ的程序　　用Ｃ语言和ＶＢ编程的希望对大家有点用-This is the procedure of EMS C language and Visual Basic programming you want to use a bit

停车场收费系统，可以学习-parking fees system, we can learn from

本串行通信程序利用汇编语言通过BIOS中断调用和DOS功能调用实现PC机双机串行通信。其中，上位机和下位机串行口均为辅串口COM2（口地址为2FXH），对外用9针连接器与令一台PC机连接；BIOS通过“INT 14H”4个中断服务子程序，分别完成串口初始化编程、发送一帧数据、接受一帧数据以及测试通信线状态。本程序分为PC机串口自动测试程序（目的是测试串口好坏）和PC机全双工双机通信程序两个部分。-the serial communications procedures through the use of assembly language BIOS interrupt calls and function calls DOS PC Dual Serial Communication. Among them, PC and the next crew will be supplemented by serial port Serial COM2 (I address 2FXH) external with 9-pin connectors and enable a PC connection; through the BIOS "INT 14H," four interrupt service routines, complete serial port initialization programming, Send a data receiving a data communications test and the state line. The procedures are divided into PC serial automatic test procedure (for the purpose of testing Serial good or bad) and full-duplex PC-machine communication program two parts.

串口控制程序一般分为查询和中断两者方式。查询方式适用于简单的应用，简单可靠，但是缺点是需要占用处理器资源，在发送或者接收数据的时候不能做其它的事情，处理器利用率低。中断方式下，在发送或者接受数据的时候处理器还可以做其它的工作，效率较高。-Serial control procedures will generally be divided into two way query and interruption. Query applied to simple applications, simple and reliable, but the drawback is the need to occupy processor resources to send or receive data at the time should not make other things, the processor utilization rate. Interrupt mode, the send or accept data when the processor can do other work, more efficient.

这是一段c51编的一段有关串口通讯的代码-This is a decoder for the series of the serial communications code

在nt下对端口进行读写-nt under the right and write ports

串行口uart-rs232不带缓冲器区的显示模块，望大家给与意见-Uart-rs232 serial port with no buffer zone display module, hope you give advice

使用TC3.0开发的串口通讯程序，在一台电脑上模拟。（本机发到串口，本机再从串口读入）-TC3.0 development of the use of serial communication program, in a computer simulation. (This machine made to the serial port, the company was again read from the serial port)

一个非常完整的川口通讯源程序，我费了很大功夫才把他找到。-a very complete source Kawaguchi communications, I spent a lot of time and energy only to find him.

一个好用的经过FPGA验证的i2c_slave verilog代码。-After a useful FPGA proven i2c_slave verilog code.