File list (Check if you may need any files):
Switch control LED (input-output concept)
.........................................\0
.........................................\0.LST
.........................................\0.M51
.........................................\0.OBJ
.........................................\0.Opt
.........................................\0.Uv2
.........................................\0.c
.........................................\0.hex
.........................................\0.lnp
.........................................\0.plg
.........................................\0_Opt.Bak
.........................................\0_Uv2.Bak