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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
#ifndef MAME_AUDIO_GALAXIAN_H
#define MAME_AUDIO_GALAXIAN_H

#pragma once

#include "sound/discrete.h"

#define GAL_AUDIO   "discrete"

class galaxian_sound_device : public device_t, public device_sound_interface
{
public:
	galaxian_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	DECLARE_WRITE8_MEMBER( sound_w );
	DECLARE_WRITE8_MEMBER( pitch_w );
	DECLARE_WRITE8_MEMBER( vol_w );
	DECLARE_WRITE8_MEMBER( noise_enable_w );
	DECLARE_WRITE8_MEMBER( background_enable_w );
	DECLARE_WRITE8_MEMBER( fire_enable_w );
	DECLARE_WRITE8_MEMBER( lfo_freq_w );

	void mooncrst_audio(machine_config &config);
	void galaxian_audio(machine_config &config);

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
	uint8_t m_lfo_val;
	discrete_device *m_discrete;
};

DECLARE_DEVICE_TYPE(GALAXIAN, galaxian_sound_device)


#endif // MAME_AUDIO_GALAXIAN_H