File list (Check if you may need any files):
program
.......\123.c
.......\123.LST
.......\123.Opt
.......\123.plg
.......\123.Uv2
.......\123_Uv2.Bak
.......\sss.c
.......\STARTUP.A51
.......\STARTUP.LST
.......\STARTUP.OBJ
.......\szzd
.......\szzd.c
.......\szzd.hex
.......\szzd.lnp
.......\szzd.LST
.......\szzd.M51
.......\szzd.OBJ
.......\szzd.Opt
.......\szzd.plg
.......\szzd.Uv2
.......\szzd_Opt.Bak
.......\szzd_Uv2.Bak
.......\xin
.......\xin.c
.......\xin.hex
.......\xin.lnp
.......\xin.LST
.......\xin.M51
.......\xin.OBJ
.......\xin.Opt
.......\xin.plg
.......\xin.Uv2
.......\xin_Opt.Bak
.......\xin_Uv2.Bak