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// license:BSD-3-Clause
// copyright-holders:Bryan McPhail
#ifndef MAME_SOUND_K005289_H
#define MAME_SOUND_K005289_H
#pragma once
// ======================> k005289_device
class k005289_device : public device_t,
public device_sound_interface
{
public:
k005289_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
void control_A_w(u8 data);
void control_B_w(u8 data);
void ld1_w(offs_t offset, u8 data);
void ld2_w(offs_t offset, u8 data);
void tg1_w(u8 data);
void tg2_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;
private:
required_region_ptr<u8> m_sound_prom;
sound_stream *m_stream;
struct voice_t
{
void reset()
{
counter = 0;
frequency = 0;
pitch = 0;
waveform = 0;
volume = 0;
}
s16 counter = 0;
u16 frequency = 0;
u16 pitch = 0;
u16 waveform = 0;
u8 volume = 0;
};
voice_t m_voice[2];
};
DECLARE_DEVICE_TYPE(K005289, k005289_device)
#endif // MAME_SOUND_K005289_H
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