// 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 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