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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
#ifndef MAME_SOUND_YMF262_H
#define MAME_SOUND_YMF262_H
#pragma once
#include "ymfm.h"
// ======================> ymf262_device
DECLARE_DEVICE_TYPE(YMF262, ymf262_device);
class ymf262_device : public device_t, public device_sound_interface
{
public:
// YMF262 is OPL3
using fm_engine = ymopl3_engine;
// constructor
ymf262_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, device_type type = YMF262);
// configuration helpers
auto irq_handler() { return m_fm.irq_handler(); }
// read/write access
u8 read(offs_t offset);
void write(offs_t offset, u8 data);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_clock_changed() override;
// sound overrides
virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
// internal state
u16 m_address; // address register
sound_stream *m_stream; // sound stream
fm_engine m_fm; // core FM engine
};
#endif // MAME_SOUND_YMF262_H
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