使用cupl语言编写的20-5编码键盘,无需键盘扫描 比矩阵键盘更方便,-cupl use of the language 20-5 coding keyboard, without the keyboard scan matrix keyboard is more convenient.

CUPL语言是用于 GAL CPL可编程逻辑的编程语言，简单使用。文件包含教程和手册 -CUPL language is used for GAL CPL programmable logic programming language, simple to use. File contains tutorials and manuals