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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"
class galaxian_sound_device : public device_t
{
public:
galaxian_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
void pitch_w(uint8_t data);
void vol_w(offs_t offset, uint8_t data);
void noise_enable_w(uint8_t data);
void background_enable_w(offs_t offset, uint8_t data);
void fire_enable_w(uint8_t data);
void lfo_freq_w(offs_t offset, uint8_t data);
void sound_w(offs_t offset, uint8_t data);
protected:
galaxian_sound_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_start() override;
virtual void device_add_mconfig(machine_config &config) override;
required_device<discrete_device> m_discrete;
private:
// internal state
uint8_t m_lfo_val;
};
class mooncrst_sound_device : public galaxian_sound_device
{
public:
mooncrst_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
};
DECLARE_DEVICE_TYPE(GALAXIAN_SOUND, galaxian_sound_device)
DECLARE_DEVICE_TYPE(MOONCRST_SOUND, mooncrst_sound_device)
#endif // MAME_AUDIO_GALAXIAN_H
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