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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes,Thomas Busse
/**********************************************************************

    Spectrum Currah MicroSpeech emulation

**********************************************************************/

#ifndef MAME_BUS_SPECTRUM_USPEECH_H
#define MAME_BUS_SPECTRUM_USPEECH_H

#pragma once


#include "exp.h"
#include "sound/sp0256.h"



//**************************************************************************
//  TYPE DEFINITIONS
//**************************************************************************

// ======================> spectrum_uspeech_device

class spectrum_uspeech_device :
	public device_t,
	public device_spectrum_expansion_interface
{
public:
	// construction/destruction
	spectrum_uspeech_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

protected:
	// device-level overrides
	virtual void device_start() override;
	virtual void device_reset() override;

	// optional information overrides
	virtual const tiny_rom_entry *device_rom_region() const override;
	virtual void device_add_mconfig(machine_config &config) override;

	virtual DECLARE_READ_LINE_MEMBER(romcs) override;
	virtual DECLARE_READ8_MEMBER(mreq_r) override;
	virtual DECLARE_WRITE8_MEMBER(mreq_w) override;

private:
	required_device<sp0256_device> m_nsp;
	required_memory_region m_rom;

	int m_romcs;
};


// device type definition
DECLARE_DEVICE_TYPE(SPECTRUM_USPEECH, spectrum_uspeech_device)


#endif // MAME_BUS_SPECTRUM_USPEECH_H