// license:BSD-3-Clause // copyright-holders:Aaron Giles #ifndef MAME_AUDIO_GALAXIAN_H #define MAME_AUDIO_GALAXIAN_H #pragma once #include "sound/discrete.h" #define GAL_AUDIO "discrete" class galaxian_sound_device : public device_t, public device_sound_interface { public: galaxian_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); DECLARE_WRITE8_MEMBER( sound_w ); DECLARE_WRITE8_MEMBER( pitch_w ); DECLARE_WRITE8_MEMBER( vol_w ); DECLARE_WRITE8_MEMBER( noise_enable_w ); DECLARE_WRITE8_MEMBER( background_enable_w ); DECLARE_WRITE8_MEMBER( fire_enable_w ); DECLARE_WRITE8_MEMBER( lfo_freq_w ); void mooncrst_audio(machine_config &config); void galaxian_audio(machine_config &config); 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; private: // internal state uint8_t m_lfo_val; discrete_device *m_discrete; }; DECLARE_DEVICE_TYPE(GALAXIAN, galaxian_sound_device) #endif // MAME_AUDIO_GALAXIAN_H