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// license:BSD-3-Clause
// copyright-holders:Juergen Buchmueller
#ifndef MAME_SOUND_TMS3615_H
#define MAME_SOUND_TMS3615_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> tms3615_device
class tms3615_device : public device_t, public device_sound_interface
{
public:
static constexpr unsigned FOOTAGE_8 = 0;
static constexpr unsigned FOOTAGE_16 = 1;
tms3615_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
void enable_w(int enable);
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:
static constexpr unsigned TMS3615_TONES = 13;
static const int divisor[TMS3615_TONES];
sound_stream *m_channel; // returned by stream_create()
int m_samplerate; // output sample rate
int m_basefreq; // chip's base frequency
int m_counter8[TMS3615_TONES]; // tone frequency counter for 8'
int m_counter16[TMS3615_TONES]; // tone frequency counter for 16'
int m_output8; // output signal bits for 8'
int m_output16; // output signal bits for 16'
int m_enable; // mask which tones to play
};
DECLARE_DEVICE_TYPE(TMS3615, tms3615_device)
#endif // MAME_SOUND_TMS3615_H
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