0 IO口测试
..........\88
..........\88.hex
..........\88.lnp
..........\88.M51
..........\88.Opt
..........\88.plg
..........\88.Uv2
..........\88_Opt.Bak
..........\88_Uv2.Bak
..........\main.c
..........\main.LST
..........\main.OBJ