File list (Check if you may need any files):
CH451_KEY
.........\CH451L(4x4键盘).SchDoc
.........\key
.........\...\Debug
.........\...\.....\key.ary
.........\...\.....\key.map
.........\...\.....\key.S37
.........\...\.....\key.sbm
.........\...\.....\key.smy
.........\...\.....\key.sym
.........\...\.....\main.asm
.........\...\.....\main.lst
.........\...\.....\main.obj
.........\...\.....\Resource.lst
.........\...\.....\Resource.obj
.........\...\Device.env
.........\...\key.env
.........\...\key.h
.........\...\key.lik
.........\...\key.opt
.........\...\key.rc
.........\...\key.set
.........\...\key.spj
.........\...\libgloss.c
.........\...\main.c
.........\...\Makefile
.........\...\Passpoint_Register.txt
.........\...\Passpoint_Result.txt
.........\...\Resource.asm
.........\...\Resource.inc
.........\...\SPCE061A.h
.........\...\SPCE061A.inc