File list (Check if you may need any files):
51 MCU and SPI communication
............................\Delay.LST
............................\Delay.OBJ
............................\Last Loaded SPI总线.DBK
............................\SPI
............................\SPI.c
............................\SPI.hex
............................\SPI.lnp
............................\SPI.LST
............................\SPI.M51
............................\SPI.OBJ
............................\SPI.plg
............................\SPI总线.Opt
............................\SPI总线.PWI
............................\SPI总线.Uv2
............................\SPI总线_Opt.Bak
............................\SPI总线_Uv2.Bak
............................\STARTUP.A51