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// 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
};
void sound_w(u8 data);
protected:
// device-level overrides
virtual void device_start() override;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
private:
// internal state
std::unique_ptr<uint16_t[]> 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
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