// license: BSD-3-Clause // copyright-holders: Dirk Best /*************************************************************************** NEC μPD934G Percussion Generator ***************************************************************************/ #ifndef MAME_SOUND_UPD934G_H #define MAME_SOUND_UPD934G_H #pragma once #include "dirom.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class upd934g_device : public device_t, public device_sound_interface, public device_rom_interface<16> { public: static constexpr feature_type imperfect_features() { return feature::SOUND; } // construction/destruction upd934g_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); void write(offs_t offset, u8 data); protected: // device-level overrides virtual void device_start() override ATTR_COLD; virtual void device_reset() override ATTR_COLD; virtual void sound_stream_update(sound_stream &stream) override; private: sound_stream *m_stream; u16 m_addr[16]; u8 m_valid[16]; struct { u16 pos; s8 playing; u8 effect; } m_channel[4]; u8 m_sample; u8 m_ready; }; // device type definition DECLARE_DEVICE_TYPE(UPD934G, upd934g_device) #endif // MAME_SOUND_UPD934G_H