EMU_VOICE_STATE_STARTED
if (voice->state & EMU_VOICE_STATE_STARTED)
if ((voice->state & EMU_VOICE_STATE_STARTED) == 0)
voice->state |= EMU_VOICE_STATE_STARTED;
voice->state &= ~EMU_VOICE_STATE_STARTED;
EMU_VOICE_STATE_STARTED) == 0)