使用12864画点的一个程序，可以一个一个的画，方便显示定位。-12864 stippled use a program that can draw a one convenient display positioning.

12864画点程序，利用寻址的方法，确定液晶的地址来画点，在此基础上可画任意直线，曲线，正弦波(Optrex products are designed for use in ordinary electronic devices such as business machines, telecommunications equipment,measurement devices and etc. Please handle the products with care.)