笔者自创的9个汇编终结符实现普通+,-,*,/,I/O的实用编译器(产生80486目标码)-I created a compilation of nine at the end of the achievement of common ,-,*,/, I/O practical compiler (80486 generated object code)

微机接口课件，从入门到掌握80486的基本应用-Computer Interface courseware, from beginning to grasp the basic application 80486