// 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 template class bbd_device_base : public device_t, public device_sound_interface { public: // configuration template void set_cv_handler(T &&... args) { m_cv_handler.set(std::forward(args)...); } protected: using cv_delegate = device_delegate; // internal constructor bbd_device_base(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, device_type type); // device-level overrides virtual void device_start() override; virtual void device_clock_changed() override; // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, std::vector const &inputs, std::vector &outputs) override; protected: // override to convert clock to sample rate stream_buffer::sample_t outputval(s32 index) const { return m_buffer[m_curpos + Entries + index]; } virtual u32 sample_rate() const { return clock(); } sound_stream * m_stream; u32 m_curpos; cv_delegate m_cv_handler; attotime m_next_bbdtime; stream_buffer::sample_t m_buffer[Entries + 1]; }; // ======================> mn3004_device class mn3004_device : public bbd_device_base<512, 2> { 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<4096, 2> { 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<128, 2> { 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<512, 2> { public: mn3204p_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); }; DECLARE_DEVICE_TYPE(MN3204P, mn3204p_device) #endif // MAME_SOUND_BBD_H