File list (Check if you may need any files):
GSM\main.OBJ
...\main.LST
...\STARTUP.A51
...\GSM.plg
...\main.h
...\uart.c
...\main.c
...\uart.h
...\12232LCD.c
...\12232LCD.h
...\sim900.LST
...\GSM_Uv2.Bak
...\12232LCD.LST
...\ADC.h
...\ADC.c
...\GSM_Opt.Bak
...\12232LCD.OBJ
...\GSM.Uv2
...\GSM.Opt
...\STARTUP.lst
...\GSM.M51
...\GSM.hex
...\sim900.c
...\sim900.h
...\sim9001.c
...\STARTUP.obj
...\main.__i
...\12232LCD.__i
...\ADC.__i
...\ADC.LST
...\ADC.OBJ
...\uart.__i
...\uart.LST
...\uart.OBJ
GSM