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// license:BSD-3-Clause
// copyright-holders:Jonathan Gevaryahu
#ifndef MAME_AUDIO_SOCRATES_H
#define MAME_AUDIO_SOCRATES_H
#pragma once
class socrates_snd_device : public device_t,
public device_sound_interface
{
public:
socrates_snd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
void reg0_w(int data);
void reg1_w(int data);
void reg2_w(int data);
void reg3_w(int data);
void reg4_w(int data);
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:
void snd_clock();
static const uint8_t s_volumeLUT[];
// internal state
sound_stream * m_stream;
uint8_t m_freq[2]; // channel 1,2 frequencies
uint8_t m_vol[2]; // channel 1,2 volume
uint8_t m_enable[2]; // channel 1,2 enable
uint8_t m_channel3; // channel 3 weird register
uint8_t m_state[3]; // output states for channels 1,2,3
uint8_t m_accum[3]; // accumulators for channels 1,2,3
uint16_t m_DAC_output; // output
};
DECLARE_DEVICE_TYPE(SOCRATES_SOUND, socrates_snd_device)
#endif // MAME_AUDIO_SOCRATES_H
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