实例4 C程序 ...........\8vod ...........\8vod.c ...........\8vod.hex ...........\8vod.lnp ...........\8vod.LST ...........\8vod.M51 ...........\8vod.OBJ ...........\8vod.Opt ...........\8vod.plg ...........\8vod.Uv2 ...........\8vod_Opt.Bak ...........\8vod_Uv2.Bak ...........\STARTUP.A51 ...........\STARTUP.LST ...........\STARTUP.OBJ