// license:GPL-2.0+ // copyright-holders:Juergen Buchmueller #ifndef MAME_AUDIO_GEEBEE_H #define MAME_AUDIO_GEEBEE_H #pragma once class geebee_sound_device : public device_t, public device_sound_interface { public: geebee_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); enum { TIMER_VOLUME_DECAY }; DECLARE_WRITE8_MEMBER( sound_w ); protected: // device-level overrides virtual void device_start() override; // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; private: // internal state std::unique_ptr m_decay; sound_stream *m_channel; int m_sound_latch; int m_sound_signal; int m_volume; emu_timer *m_volume_timer; int m_noise; int m_vcount; }; DECLARE_DEVICE_TYPE(GEEBEE_SOUND, geebee_sound_device) #endif // MAME_AUDIO_GEEBEE_H