用汇编语言编写的音乐演奏程序，具有播放，暂停，快进，快退选择曲目等功能。-The music program written in assembly language, with the function of play, pause, fast forward, rewind, select tracks, etc..

这是一款pic单片机编写的铁轨平直仪器的单片机程序，-It is written in a pic microcontroller microcontroller tracks straight instrument procedures

内含多个曲目，可以实现自动演奏和手动演奏-Contains multiple tracks, can be automatically performed and manual performance