一些vhdl的常用程序，包括键盘扫描-instantiate some common procedures, including scanning keyboard, etc

是一个小键盘的并口程序 用汇编语言编的,小键盘是所用实验板上的-small keyboard is a parallel process of assembly language series, the small keyboard is used in the experiment board

lcd12864+jianpan 可通过键盘输入在液晶上显示-lcd12864+ jianpan keyboard input via the LCD display