File list (Check if you may need any files):
ISD4004
.......\clk.c
.......\Debug
.......\.....\Exe
.......\.....\...\ISD4004.d43
.......\.....\List
.......\.....\Obj
.......\.....\...\ISD4004.pbd
.......\.....\...\main.r43
.......\ISD.eww
.......\ISD4004.C
.......\ISD4004.dep
.......\ISD4004.ewd
.......\ISD4004.ewp
.......\isd4004.h
.......\keyboard.c
.......\main.c
.......\settings
.......\........\ISD.wsdt
.......\........\ISD4004.dbgdt
.......\........\ISD4004.dni
.......\资料
.......\....\clk.c
.......\....\ISD4004.C
.......\....\isd4004.h
.......\....\ISD4004.pdf
.......\....\LM386.pdf
.......\....\main.c