这是基于飞思卡尔mc9s12xs128和ST7920控制的12864液晶画点，画任意直线和画圆的C程序。-This is based on Freescale mc9s12xs128 and ST7920 control points 12864 LCD painting, painting a straight line and circle any of the C program.

12864液晶画线、打点、画图源程序，仅供参考。-12864 LCD drawing a line, dot, drawing source code for reference purposes only.