File list (Check if you may need any files):
Exp4
....\Debug
....\.....\Exe
....\.....\...\Exp4.d51
....\.....\List
....\.....\Obj
....\.....\...\Exp4.pbd
....\.....\...\hal_uart.r51
....\.....\...\main.r51
....\Exp4.dep
....\Exp4.ewd
....\Exp4.ewp
....\Exp4.eww
....\main.c
....\settings
....\........\Exp4.cspy.bat
....\........\Exp4.dbgdt
....\........\Exp4.dni
....\........\Exp4.wsdt
....\uart
....\....\hal_board_cfg.h
....\....\hal_defs.h
....\....\hal_mcu.h
....\....\hal_types.h
....\....\hal_uart.c
....\....\hal_uart.h
....\....\wait.c