File list (Check if you may need any files):
part2_1\80C52.hex
.......\Backup Of part2_1.pdsbak
.......\Keil\part2_1
.......\....\part2_1.c
.......\....\part2_1.hex
.......\....\part2_1.LST
.......\....\part2_1.M51
.......\....\part2_1.OBJ
.......\....\part2_1.Opt
.......\....\part2_1.plg
.......\....\part2_1.Uv2
.......\....\part2_1_Opt.Bak
.......\....\part2_1_Uv2.Bak
.......\....\STARTUP.A51
.......\....\STARTUP.lst
.......\....\STARTUP.obj
.......\Last Loaded part2_1.pdsbak
.......\part2_1.pdsprj
.......\part2_1.pdsprj.2013-20141115VT.Administrator.workspace
.......\Keil
part2_1