File list (Check if you may need any files):
51yuyin
.......\51yuyin
.......\51yuyin.hex
.......\51yuyin.lnp
.......\51yuyin.M51
.......\51yuyin.plg
.......\51yuyin.uvopt
.......\51yuyin.uvproj
.......\51yuyin_uvopt.bak
.......\51yuyin_uvproj.bak
.......\text.c
.......\toaswocstur6ozetzvzepvp3_1.doc
.......\toaswocstur6ozetzvzepvp3_2.doc
.......\toaswocstur6ozetzvzepvp3_3.doc
.......\toaswocstur6ozetzvzepvp3_4.doc
.......\toaswocstur6ozetzvzepvp3_5.doc
.......\yuyin.c
.......\yuyin.LST
.......\yuyin.OBJ
.......\yuyinmokuai.c
.......\yuyinxiugai
.......\yuyinxiugai.c