All symbols starting with `d' in src/od-beos

• debuggable src/od-beos/beos.cpp:962
• DEFAULT_SOUND_BITS src/od-beos/sound.h:32
• DEFAULT_SOUND_FREQ src/od-beos/sound.h:33
• DEFAULT_SOUND_MAXB src/od-beos/sound.h:30
• DEFAULT_SOUND_MINB src/od-beos/sound.h:31
• Draw src/od-beos/beos.cpp:535
• DriveLED src/od-beos/beos.cpp:194