将音乐数据存储到LPM-ROM,就达到了以纯硬件的手段来实现乐曲的演奏效果。只要修改LPM-ROM所存储的音乐数据,将其换成其他乐曲的音乐数据,再重新定制LPM-ROM,连接到程序中就可以实现其它乐曲的演奏。-oring music data to LPM-ROM, reached with pure hardware means to achieve the effect of music playing. Just modify LPM-ROM music stored data, whic