File list (Check if you may need any files):
SCH.pdf
keil\A
....\A(1)
....\a(1).c
....\A(1).hex
....\A(1).lnp
....\a(1).LST
....\A(1).M51
....\a(1).OBJ
....\A(1).Opt
....\A(1).plg
....\A(1).Uv2
....\a.c
....\A.hex
....\A.lnp
....\a.LST
....\A.M51
....\a.OBJ
....\A.Opt
....\A.plg
....\A.Uv2
....\A_Opt(1).Bak
....\A_Opt.Bak
....\A_Uv2(1).Bak
....\A_Uv2.Bak
....\STARTUP(1).A51
....\STARTUP(1).LST
....\STARTUP(1).OBJ
....\STARTUP.A51
....\STARTUP.LST
....\STARTUP.OBJ
....\STC12C2052AD(1).h
....\STC12C2052AD.h
keil