File list (Check if you may need any files):
7seg SRF05\89c51_74hc595(easy)
..........\...................\74HC595.hex
..........\...................\74HC595.lnp
..........\...................\74HC595.LST
..........\...................\74HC595.M51
..........\...................\74HC595.OBJ
..........\...................\74HC595.opt.bak
..........\...................\74HC595.plg
..........\...................\74HC595.Uv2.bak
..........\...................\74HC595.uvopt
..........\...................\74HC595.uvproj
..........\...................\74HC595_uvopt.bak
..........\...................\74HC595_uvproj.bak
..........\...................\89C2015_SRF05
..........\...................\89C2015_SRF05.hex
..........\...................\89C2015_SRF05.lnp
..........\...................\89C2015_SRF05.M51
..........\...................\89C2015_SRF05.plg
..........\...................\89C2015_SRF05.uvopt
..........\...................\89C2015_SRF05.uvproj
..........\...................\89C2015_SRF05_uvopt.bak
..........\...................\89C2015_SRF05_uvproj.bak
..........\...................\ARES.dmp
..........\...................\Backup Of circuit.pdsbak
..........\...................\circuit.DSN
..........\...................\circuit.pdsprj
..........\...................\circuit.pdsprj.HAONV.NguyenVan.workspace
..........\...................\circuit.pdsprj.NGUYENHAO.NguyenVan.workspace
..........\...................\circuit.pdsprj.NVHAO.NguyenVan.workspace
..........\...................\circuit.PWI
..........\...................\delay.c
..........\...................\Last Loaded circuit.DBK
..........\...................\MAIN.c
..........\...................\MAIN.LST
..........\...................\MAIN.OBJ
..........\...................\SRF05
..........\...................\SRF05.hex
..........\...................\SRF05.lnp
..........\...................\SRF05.M51
..........\...................\SRF05.plg
..........\...................\SRF05.uvopt
..........\...................\SRF05.uvproj
..........\...................\SRF05_7SEG.C
..........\...................\SRF05_7SEG.LST
..........\...................\SRF05_7SEG.OBJ
..........\...................\SRF05_uvopt.bak
..........\...................\SRF05_uvproj.bak