基本读写C .........\24CX .........\24CX.C .........\24CX.hex .........\24CX.lnp .........\24CX.LST .........\24CX.M51 .........\24CX.OBJ .........\24CX.Opt .........\24CX.plg .........\24CX.Uv2 .........\24CX_Opt.Bak .........\24CX_Uv2.Bak .........\intrins.h .........\STARTUP.A51 .........\STARTUP.LST .........\STARTUP.OBJ