File list (Check if you may need any files):
18b20\asm\wl004
.....\...\wl004.asm
.....\...\wl004.hex
.....\...\wl004.lnp
.....\...\wl004.LST
.....\...\wl004.M51
.....\...\wl004.OBJ
.....\...\wl004.Opt
.....\...\wl004.plg
.....\...\wl004.Uv2
.....\c51\wl004
.....\...\wl004.C
.....\...\wl004.hex
.....\...\wl004.lnp
.....\...\wl004.LST
.....\...\wl004.M51
.....\...\wl004.OBJ
.....\...\wl004.Opt
.....\...\wl004.plg
.....\...\wl004.Uv2
.....\...\wl004.__i
.....\...\wl004_Opt.Bak
.....\...\wl004_Uv2.Bak
.....\asm
.....\c51
18b20