File list (Check if you may need any files):
KEIL C51 DEMO\TOOLS.INI
.............\C51\ASM\AT898252.INC
.............\...\...\AT89S53.INC
.............\...\...\AT8xc5103.inc
.............\...\...\C8051F000.INC
.............\...\...\C8051F200.INC
.............\...\...\REG152.INC
.............\...\...\REG320.INC
.............\...\...\REG410.INC
.............\...\...\REG451.INC
.............\...\...\REG452.INC
.............\...\...\REG453.INC
.............\...\...\REG504.INC
.............\...\...\REG505C.INC
.............\...\...\REG505L.INC
.............\...\...\REG509.INC
.............\...\...\REG51.INC
.............\...\...\REG515.INC
.............\...\...\REG515A.INC
.............\...\...\REG515C.INC
.............\...\...\REG517.INC
.............\...\...\REG517A.INC
.............\...\...\REG51F.INC
.............\...\...\REG51G.INC
.............\...\...\REG51GB.INC
.............\...\...\REG52.INC
.............\...\...\REG520.INC
.............\...\...\REG528.INC
.............\...\...\REG530.INC
.............\...\...\REG552.INC
.............\...\...\REG592.INC
.............\...\...\REG652.INC
.............\...\...\REG750.INC
.............\...\...\REG781.INC
.............\...\...\t89c51ac2.inc
.............\...\...\t89c51cc02.inc
.............\...\...\TE5_CSOC.INC
.............\...\...\TEMPLATE.A51
.............\...\BIN\A51.EXE
.............\...\...\Ax51.exe
.............\...\...\BL51.EXE
.............\...\...\C51.EXE
.............\...\...\CO-KC51.LNT
.............\...\...\CX51.EXE
.............\...\...\D500.CHM
.............\...\...\D500.DLL
.............\...\...\DLPC.CHM
.............\...\...\DLPC.DLL
.............\...\...\DP51.CHM
.............\...\...\DP51.DLL
.............\...\...\ISD51.DLL
.............\...\...\LIB51.EXE
.............\...\...\LIBX51.EXE
.............\...\...\LX51.EXE
.............\...\...\MON390.DLL
.............\...\...\Mon51.dll
.............\...\...\OC51.EXE
.............\...\...\OH51.EXE
.............\...\...\Ohx51.exe
.............\...\...\RTX51.DLL
.............\...\...\RTXTINY.DLL
.............\...\...\S51MX.DLL
.............\...\...\S8051.DLL
.............\...\...\T500.DLL
.............\...\...\TLPC.DLL
.............\...\...\TP51.DLL
.............\...\EXAMPLES\ADI 83x\ABSTRACT.TXT
.............\...\........\.......\ADI.Opt
.............\...\........\.......\ADI.Uv2
.............\...\........\.......\ADI_B2.C
.............\...\........\.......\START_AD.A51
.............\...\........\.......\XBANKING.A51
.............\...\........\.SM\ABSTRACT.TXT
.............\...\........\...\ASAMPLE.BAT
.............\...\........\...\ASAMPLE.Opt
.............\...\........\...\ASAMPLE.Uv2
.............\...\........\...\ASAMPLE1.A51
.............\...\........\...\ASAMPLE2.A51
.............\...\........\...\ASAMPLE3.A51
.............\...\........\...\AXSAMPLE.BAT
.............\...\........\BADCODE\ABSTRACT.TXT
.............\...\........\.......\BADCODE.C
.............\...\........\.......\BADCODE.Opt
.............\...\........\.......\BADCODE.Uv2
.............\...\........\.ank_EX1\ABSTRACT.TXT
.............\...\........\........\BANK_EX1.Opt
.............\...\........\........\BANK_EX1.Uv2
.............\...\........\........\C_BANK0.C
.............\...\........\........\C_BANK1.C
.............\...\........\........\C_BANK2.C
.............\...\........\........\C_ROOT.C
.............\...\........\........\L51_BANK.A51
.............\...\........\.LINKY\ABSTRACT.TXT
.............\...\........\......\BLINKY.C
.............\...\........\......\BLINKY.Opt
.............\...\........\......\BLINKY.Uv2
.............\...\........\CSAMPLE\ABSTRACT.TXT
.............\...\........\.......\CSAMPLE.Opt
.............\...\........\.......\CSAMPLE.Uv2
.............\...\........\.......\CSAMPLE1.C