testdtmf\A51.EXE
........\C51.EXE
........\C51S.LIB
........\COMPLIE.BAT
........\DISPLAY.C
........\EXTIO.H
........\ht9200.c
........\L51.EXE
........\MAIN.C
........\MAIN.HEX
........\main.LST
........\main.OBJ
........\OH51.EXE
........\OKEY.C
........\OTimer.c
........\PubDcl.dcl
........\REG52.H
........\SERIAL.C
........\STARTUP
........\STARTUP.A51
........\startup.LST
........\STARTUP.M51
........\startup.OBJ
........\VALUEDEF.H
testdtmf