File list (Check if you may need any files):
C51-TESTCODE-YHY522
...................\12864.LST
...................\12864.OBJ
...................\12864.c
...................\12864.h
...................\EHY522.LST
...................\EHY522.OBJ
...................\EHY522.c
...................\HY522.H
...................\YHY522_C51TEST_PRJ
...................\YHY522_C51TEST_PRJ.M51
...................\YHY522_C51TEST_PRJ.Uv2.bak
...................\YHY522_C51TEST_PRJ.hex
...................\YHY522_C51TEST_PRJ.lnp
...................\YHY522_C51TEST_PRJ.opt.bak
...................\YHY522_C51TEST_PRJ.plg
...................\YHY522_C51TEST_PRJ.uvopt
...................\YHY522_C51TEST_PRJ.uvproj
...................\YHY522_C51TEST_PRJ_Uv2.Bak
...................\YHY522_C51TEST_PRJ_uvopt.bak
...................\YHY522_C51TEST_PRJ_uvproj.bak
...................\main(ehy522).C
...................\main.LST
...................\main.OBJ
...................\main.c
...................\main.h