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// license:BSD-3-Clause
// copyright-holders:Tomasz Slanina
#ifndef MAME_SOUND_NILE_H
#define MAME_SOUND_NILE_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> nile_device
class nile_device : public device_t,
public device_sound_interface
{
public:
nile_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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;
public:
void nile_snd_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
uint16_t nile_snd_r(offs_t offset);
void nile_sndctrl_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
uint16_t nile_sndctrl_r();
private:
static constexpr unsigned NILE_VOICES = 8;
sound_stream *m_stream;
required_region_ptr<uint8_t> m_sound_ram;
uint16_t m_sound_regs[0x80];
int m_vpos[NILE_VOICES];
int m_frac[NILE_VOICES];
int m_lponce[NILE_VOICES];
uint16_t m_ctrl;
};
DECLARE_DEVICE_TYPE(NILE, nile_device)
#endif // MAME_SOUND_NILE_H
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