File list (Check if you may need any files):
80C51_CLOCK
...........\clock.bpf
...........\clock.c
...........\clock.hex
...........\clock.LST
...........\clock.OBJ
...........\clock2
...........\......\clock.bpf
...........\......\clock.c
...........\......\clock.DSN
...........\......\clock.LST
...........\......\clock.OBJ
...........\......\clock.PWI
...........\......\clock.TXT
...........\......\Last Loaded clock.DBK
...........\Last Loaded 时钟.DBK
...........\时钟.bpf
...........\时钟.DSN
...........\时钟.mpf
...........\时钟.PWI