File list (Check if you may need any files):
my_c8051
........\16PWM
........\.....\16PWM.wsp
........\.....\16WMP
........\.....\16wmp.#1
........\.....\16wmp.#2
........\.....\16wmp.#3
........\.....\16wmp.c
........\.....\16wmp.LST
........\.....\16WMP.M51
........\.....\16wmp.OBJ
........\.....\config.#1
........\.....\config.#2
........\.....\config.#3
........\.....\config.c
........\.....\config.LST
........\.....\config.OBJ
........\.....\cyglink.txt
........\.....\tmp.out
........\interrupt
........\.........\cyglink.txt
........\.........\INTERRUPT
........\.........\interrupt.#1
........\.........\interrupt.#2
........\.........\interrupt.#3
........\.........\interrupt.c
........\.........\interrupt.LST
........\.........\INTERRUPT.M51
........\.........\interrupt.OBJ
........\.........\tmp.out
........\IO_Switch
........\.........\cyglink.txt
........\.........\IOSWITCH
........\.........\ioswitch.#1
........\.........\ioswitch.#2
........\.........\ioswitch.#3
........\.........\ioswitch.c
........\.........\ioswitch.LST
........\.........\IOSWITCH.M51
........\.........\ioswitch.OBJ
........\.........\tmp.out
........\led
........\...\cyglink.txt
........\...\LED
........\...\led.#1
........\...\led.c
........\...\led.LST
........\...\LED.M51
........\...\led.OBJ
........\...\tmp.out
........\rectangel
........\.........\123
........\.........\123.lnp
........\.........\123.M51
........\.........\123.Opt
........\.........\123.plg
........\.........\123.Uv2
........\.........\123_Opt.Bak
........\.........\123_Uv2.Bak
........\.........\config.c
........\.........\config.LST
........\.........\config.OBJ
........\.........\cyglink.txt
........\.........\RECTANGEL
........\.........\rectangel.#1
........\.........\rectangel.#2
........\.........\rectangel.#3
........\.........\rectangel.c
........\.........\rectangel.LST
........\.........\RECTANGEL.M51
........\.........\rectangel.OBJ
........\.........\tmp.out
........\test
........\....\c8051F020.h
........\....\config.#1
........\....\config.c
........\....\config.LST
........\....\config.OBJ
........\....\cyglink.txt
........\....\TEST
........\....\test.#1
........\....\test.#2
........\....\test.#3
........\....\test.c
........\....\test.LST
........\....\TEST.M51
........\....\test.OBJ
........\....\test.wsp
........\....\tmp.out
........\....\why.wsp
........\uart
........\....\cyglink.txt
........\....\tmp.out
........\....\UART
........\....\uart.#1
........\....\uart.#2
........\....\uart.#3
........\....\uart.c
........\....\uart.LST
........\....\UART.M51