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

    Serial Box 64K Serial Port Buffer emulation

    Copyright MESS Team.
    Visit http://mamedev.org for licensing and usage restrictions.

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

#pragma once

#ifndef __SERIAL_BOX__
#define __SERIAL_BOX__

#include "emu.h"
#include "cpu/m6502/m65c02.h"
#include "machine/cbmiec.h"



//**************************************************************************
//  MACROS / CONSTANTS
//**************************************************************************

#define SERIAL_BOX_TAG          "serialbox"



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

// ======================> serial_box_device

class serial_box_device :  public device_t,
							public device_cbm_iec_interface
{
public:
	// construction/destruction
	serial_box_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);

	// optional information overrides
	virtual const rom_entry *device_rom_region() const;
	virtual machine_config_constructor device_mconfig_additions() const;

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

	// device_cbm_iec_interface overrides
	void cbm_iec_atn(int state);
	void cbm_iec_data(int state);
	void cbm_iec_reset(int state);

private:
	required_device<m65c02_device> m_maincpu;
};


// device type definition
extern const device_type SERIAL_BOX;



#endif