ABEL语言的编译器， 在DOS下使用。内有READ.TXT文件，使用前请看之。-ABEL language compiler, the use of DOS. There READ.TXT documents, please see it before use.

自己编写的GAL可编程逻辑电路的编译软件abel4的windows界面，让dos软件重新发挥作用-I have written GAL programmable logic compiler software abel4 the windows interface, so that play a role in re-dos software