File list (Check if you may need any files):
8051 INT0 External Interrupt Example Program\main.LST
8051 INT0 External Interrupt Example Program\debug.ini
8051 INT0 External Interrupt Example Program\main.c
8051 INT0 External Interrupt Example Program\main.OBJ
8051 INT0 External Interrupt Example Program\external0
8051 INT0 External Interrupt Example Program\external0.lnp
8051 INT0 External Interrupt Example Program\external0.M51
8051 INT0 External Interrupt Example Program\external0.Opt
8051 INT0 External Interrupt Example Program\external0.plg
8051 INT0 External Interrupt Example Program\external0.Uv2
8051 INT0 External Interrupt Example Program