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// license:BSD-3-Clause
// copyright-holders:Richard Davies
#ifndef MAME_AUDIO_PHOENIX_H
#define MAME_AUDIO_PHOENIX_H
#pragma once
#include "sound/discrete.h"
#include "sound/tms36xx.h"
class phoenix_sound_device : public device_t, public device_sound_interface
{
public:
phoenix_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
void control_a_w(uint8_t data);
void control_b_w(uint8_t data);
protected:
// device-level overrides
virtual void device_start() override;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
private:
struct c_state
{
int32_t counter;
int32_t level;
};
struct n_state
{
int32_t counter;
int32_t polyoffs;
int32_t polybit;
int32_t lowpass_counter;
int32_t lowpass_polybit;
};
// internal state
struct c_state m_c24_state;
struct c_state m_c25_state;
struct n_state m_noise_state;
uint8_t m_sound_latch_a;
sound_stream * m_channel;
std::unique_ptr<uint32_t[]> m_poly18;
required_device<discrete_device> m_discrete;
required_device<tms36xx_device> m_tms;
int update_c24(int samplerate);
int update_c25(int samplerate);
int noise(int samplerate);
};
DECLARE_DEVICE_TYPE(PHOENIX_SOUND, phoenix_sound_device)
DISCRETE_SOUND_EXTERN(phoenix_discrete);
#endif // MAME_AUDIO_PHOENIX_H
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