独立按键2\lesson6
.........\lesson6.hex
.........\lesson6.lnp
.........\lesson6.M51
.........\lesson6.Opt
.........\lesson6.plg
.........\lesson6.Uv2
.........\lesson6_Opt.Bak
.........\lesson6_Uv2.Bak
.........\STARTUP.A51
.........\STARTUP.LST
.........\STARTUP.OBJ
.........\Text1.c
.........\Text1.LST
.........\Text1.OBJ
.........\Text2.c
.........\Text2.LST
.........\Text2.OBJ
独立按键2