飞虹 vision仿windows开发，图形模式，dos运行环境，支持中文字体，鼠标，编译环境:borland c 4.0以上， 是工控方面开发的利器-Feihong vision like windows development, graphics mode, dos operating environment to support the Chinese character, the mouse, the compiler environment: borland c 4.0 and a