8051单片机开发汇编实现音乐盒（天空之城）-music-box for sky（asm）

51单片机音乐盒，内有天空之城等音乐，蜂鸣器播放，带有上一曲，下一曲，暂停等按键。(51 single - chip computer music box, the city of sky and other music, the buzzer playing, with the previous song, the next song, pause, and so on.)