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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
#ifndef MAME_SOUND_BBD_H
#define MAME_SOUND_BBD_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> bbd_device_base
class bbd_device_base : public device_t, public device_sound_interface
{
public:
void tick();
protected:
// internal constructor
bbd_device_base(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, device_type type);
void set_bucket_count(int buckets);
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream) override;
protected:
// override to convert clock to sample rate
sound_stream::sample_t outputval(s32 index) const { return m_buffer[(m_curpos - index) % std::size(m_buffer)]; }
virtual u32 sample_rate() const { return clock(); }
sound_stream * m_stream;
u32 m_curpos;
std::vector<sound_stream::sample_t> m_buffer;
};
// ======================> mn3004_device
class mn3004_device : public bbd_device_base
{
public:
mn3004_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
};
DECLARE_DEVICE_TYPE(MN3004, mn3004_device)
// ======================> mn3005_device
class mn3005_device : public bbd_device_base
{
public:
mn3005_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
};
DECLARE_DEVICE_TYPE(MN3005, mn3005_device)
// ======================> mn3006_device
class mn3006_device : public bbd_device_base
{
public:
mn3006_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
};
DECLARE_DEVICE_TYPE(MN3006, mn3006_device)
// ======================> mn3204p_device
class mn3204p_device : public bbd_device_base
{
public:
mn3204p_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
};
DECLARE_DEVICE_TYPE(MN3204P, mn3204p_device)
// ======================> mn3207_device
class mn3207_device : public bbd_device_base
{
public:
mn3207_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
};
DECLARE_DEVICE_TYPE(MN3207, mn3207_device)
#endif // MAME_SOUND_BBD_H
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