这是一个图形处理中的积累弦长参数化程序，很简单，对图形处理很有用。-This is a graphics processing in the accumulation of chord length parameterization procedure is very simple, useful for graphics processing.

爱德威8和弦单乐芯片控制程序。用51单片机C51编写-Edward 8 chord single music chip control program. With 51 single-chip C51 prepared