// license:BSD-3-Clause // copyright-holders:Allard van der Bas #ifndef MAME_AUDIO_WARPWARP_H #define MAME_AUDIO_WARPWARP_H #pragma once class warpwarp_sound_device : public device_t, public device_sound_interface { public: warpwarp_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); enum { TIMER_SOUND_VOLUME_DECAY, TIMER_MUSIC_VOLUME_DECAY }; DECLARE_WRITE8_MEMBER( sound_w ); DECLARE_WRITE8_MEMBER( music1_w ); DECLARE_WRITE8_MEMBER( music2_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; u32 m_clock_16h; u32 m_clock_1v; int m_sound_latch; int m_music1_latch; int m_music2_latch; int m_sound_signal; int m_sound_volume; emu_timer *m_sound_volume_timer; int m_music_signal; int m_music_volume; emu_timer *m_music_volume_timer; int m_noise; int m_vcarry; int m_vcount; int m_mcarry; int m_mcount; }; DECLARE_DEVICE_TYPE(WARPWARP_SOUND, warpwarp_sound_device) #endif // MAME_AUDIO_WARPWARP_H