File list (Check if you may need any files):
uP51s004
........\asm
........\...\up51s004
........\...\up51s004.asm
........\...\up51s004.hex
........\...\up51s004.lnp
........\...\up51s004.LST
........\...\up51s004.M51
........\...\up51s004.OBJ
........\...\up51s004.Opt
........\...\up51s004.plg
........\...\up51s004.Uv2
........\c51
........\...\up51s004
........\...\up51s004.C
........\...\up51s004.hex
........\...\up51s004.lnp
........\...\up51s004.LST
........\...\up51s004.M51
........\...\up51s004.OBJ
........\...\up51s004.Opt
........\...\up51s004.plg
........\...\up51s004.Uv2
........\readme.txt