用VHDL语言将二进制数据转换成十进制数据，并将十进制的每一个位分离出来单独存放。使用状态机实现，程序简单，仿真效果很理想，占用可编程器件的资源较少。-VHDL language with the binary data into decimal data and decimal places separated from each store individually. Realize the use of state machine