File list (Check if you may need any files):
modbus51\Debug\vc60.idb
........\.....\vc60.pdb
........\main.c
........\main.h
........\main.LST
........\main.OBJ
........\main.Opt
........\main.Uv2
........\main_Opt.Bak
........\main_Uv2.Bak
........\modbus.c
........\modbus.dsp
........\modbus.dsw
........\modbus.h
........\modbus.LST
........\modbus.ncb
........\modbus.OBJ
........\modbus.opt
........\modbus.plg
........\modbus51
........\modbus51.hex
........\modbus51.lnp
........\modbus51.M51
........\modbus51.plg
........\STARTUP.A51
........\Startup.LST
........\Startup.OBJ
........\Debug
modbus51