一个用汇编程序菜单功能来实现驱动CD-ROM，是一个供大家学习汇编硬件接口编程的实例，具体功能还能扩展，大家自己琢磨吧-a compilation of procedures used to achieve functional menu-driven CD-ROM is a compilation of learning for all hardware interface programming examples, specific functions can expand, we all

很全的液晶显示驱动，里面包括对SED1335液晶显示屏的底层驱动，描点和划线等函数。-is all the LCD drive, including the inside of the LCD screen SED1335 bottom-driven, depiction point and line functions.

很好，很经典的USB驱动模块，值得一看的

里面有正弦。画点 画线 画圆 很不错的51驱动