用VHDL编写的播放器，播放射雕英雄传主题曲之《铁血丹心》，另附编码表WORD档-Using VHDL prepared player, the player shooting Heroes theme song of

基于Quartus开发平台的3相6拍的步进电机-Quartus development platform based on the three-phase stepper motor 6 shooting. . . . . . . . . . . . .