例2-蜂鸣器蜂鸣\lhj ..............\lhj.hex ..............\lhj.lnp ..............\lhj.M51 ..............\lhj.Opt ..............\lhj.plg ..............\lhj.Uv2 ..............\lhj_Opt.Bak ..............\lhj_Uv2.Bak ..............\SPK.asm ..............\SPK.LST ..............\SPK.OBJ 例2-蜂鸣器蜂鸣