这是一个基于NS2的仿真实现代码，这些内容基本上就是我上研究生时发表文章的代码，呵呵，他给我带来了不少好处。-This is a simulation based on the realization of NS2 code These are basically when I graduate, published an article code, what he has brought me many benefits.

Non-visual component providing full support for dot-matrix printers epson-compatible. It allows print in text-mode (very fast), print in graphic mode