2kHz ....\dd ....\..\2kHz正弦信号发生器.doc ....\..\3f80h ....\..\cc_build.log ....\..\DATA ....\..\PROG ....\..\test19.C ....\..\test19.cmd ....\..\test19.mak ....\..\test19.map ....\..\test19.obj ....\..\test19.out