electronic piano
................\obj
................\...\电子琴
................\...\电子琴.hex
................\...\电子琴.lst
................\...\电子琴.m51
................\...\电子琴.obj
................\...\电子琴.plg
................\电子琴.Opt
................\电子琴.Uv2
................\电子琴.c
................\电子琴.plg