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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/*****************************************************************************
*
* includes/tvc.h
*
****************************************************************************/
#ifndef MAME_AUDIO_TVC_H
#define MAME_AUDIO_TVC_H
#pragma once
#define MCFG_TVC_SOUND_SNDINT_CALLBACK(_write) \
downcast<tvc_sound_device &>(*device).set_sndint_wr_callback(DEVCB_##_write);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> tvc_sound_device
class tvc_sound_device : public device_t, public device_sound_interface
{
public:
// construction/destruction
tvc_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
template <class Object> devcb_base &set_sndint_wr_callback(Object &&cb) { return m_write_sndint.set_callback(std::forward<Object>(cb)); }
DECLARE_WRITE8_MEMBER(write);
void reset_divider();
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
private:
static const device_timer_id TIMER_SNDINT = 0;
sound_stream * m_stream;
int m_freq;
int m_enabled;
int m_volume;
int m_incr;
int m_signal;
uint8_t m_ports[3];
emu_timer * m_sndint_timer;
devcb_write_line m_write_sndint;
};
// device type definition
DECLARE_DEVICE_TYPE(TVC_SOUND, tvc_sound_device)
#endif // MAME_AUDIO_TVC_H
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