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

    Coleco Adam keyboard emulation

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

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

#pragma once

#ifndef __ADAM_KB__
#define __ADAM_KB__

#include "emu.h"
#include "cpu/m6800/m6800.h"
#include "machine/adamnet.h"



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

// ======================> adam_keyboard_device

class adam_keyboard_device :  public device_t,
								public device_adamnet_card_interface
{
public:
	// construction/destruction
	adam_keyboard_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;
	virtual ioport_constructor device_input_ports() const;

	// not really public
	DECLARE_READ8_MEMBER( p1_r );
	DECLARE_READ8_MEMBER( p2_r );
	DECLARE_WRITE8_MEMBER( p2_w );
	DECLARE_READ8_MEMBER( p3_r );
	DECLARE_WRITE8_MEMBER( p3_w );
	DECLARE_READ8_MEMBER( p4_r );
	DECLARE_WRITE8_MEMBER( p4_w );

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

	// device_adamnet_card_interface overrides
	virtual void adamnet_reset_w(int state);

	required_device<cpu_device> m_maincpu;
	required_ioport m_y0;
	required_ioport m_y1;
	required_ioport m_y2;
	required_ioport m_y3;
	required_ioport m_y4;
	required_ioport m_y5;
	required_ioport m_y6;
	required_ioport m_y7;
	required_ioport m_y8;
	required_ioport m_y9;
	required_ioport m_y10;
	required_ioport m_y11;
	required_ioport m_y12;

	UINT16 m_key_y;
};


// device type definition
extern const device_type ADAM_KB;



#endif