本人原创，用汇编实现的电子琴演奏程序，本系统内置3-4首歌曲任用户挑选，并可设置高中低3种音。- A music editor, music include pitch (with 1 ~ 7 that bass area, 8 to 14 that the Alto area, said 15 to 21 treble area, the relationship between pitch and frequency, see the annex to this form) and dura