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// license:GPL-2.0+
// copyright-holders:Juergen Buchmueller, Frank Palazzolo, Sean Riddle
/*****************************************************************************
*
* audio/channelf.h
*
****************************************************************************/
#ifndef MAME_AUDIO_CHANNELF_H
#define MAME_AUDIO_CHANNELF_H
class channelf_sound_device : public device_t, public device_sound_interface
{
public:
channelf_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
void sound_w(int mode);
protected:
// device-level overrides
virtual void device_start() override;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
private:
// internal state
sound_stream *m_channel;
int m_sound_mode;
int m_incr;
float m_decay_mult;
int m_envelope;
uint32_t m_sample_counter;
int m_forced_ontime; // added for improved sound
int m_min_ontime; // added for improved sound
};
DECLARE_DEVICE_TYPE(CHANNELF_SOUND, channelf_sound_device)
#endif // MAME_AUDIO_CHANNELF_H
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