键盘程序加减数值显示
....................\KEY.asm
....................\KEY.LST
....................\KEY.OBJ
....................\lhj
....................\lhj.hex
....................\lhj.lnp
....................\lhj.M51
....................\lhj.Opt
....................\lhj.plg
....................\lhj.Uv2
....................\lhj_Opt.Bak
....................\lhj_Uv2.Bak