用C语言编写的以太网开发程序，用KEIL开发环境-Ethernet using C language development process, using KEIL Development Environment

TCP/IP C51源程序，KEIL C 编译，请下载试用。-TCP/IP C51 source, KEIL C compiler, download the trial.

基于NE2000的以太网通信程序，使用tcp/ip协议栈，需要用到keil软件进行编译(Ethernet communication program based on NE2000, using tcp/ip protocol stack, need to use keil software to compile)