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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
/**********************************************************************

   Sega Saturn controller port emulation

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


#ifndef MAME_BUS_SAT_CTRL_CTRL_H
#define MAME_BUS_SAT_CTRL_CTRL_H

#pragma once


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

class saturn_control_port_device;

// ======================> device_saturn_control_port_interface

class device_saturn_control_port_interface : public device_slot_card_interface
{
public:
	// construction/destruction
	virtual ~device_saturn_control_port_interface();

	virtual uint16_t read_direct() { return 0; }
	virtual uint8_t read_ctrl(uint8_t offset) { return 0; }
	virtual uint8_t read_status() { return 0xf0; }
	virtual uint8_t read_id(int idx) { return 0xff; }

protected:
	device_saturn_control_port_interface(const machine_config &mconfig, device_t &device);

	uint8_t m_ctrl_id;
	saturn_control_port_device *m_port;
};

// ======================> saturn_control_port_device

class saturn_control_port_device : public device_t,
								public device_slot_interface
{
public:
	// construction/destruction
	saturn_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
	virtual ~saturn_control_port_device();

	uint16_t read_direct();
	uint8_t read_ctrl(uint8_t offset);
	uint8_t read_status();
	uint8_t read_id(int idx);

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

protected:
	device_saturn_control_port_interface *m_device;
};


// device type definition
DECLARE_DEVICE_TYPE(SATURN_CONTROL_PORT, saturn_control_port_device)


//**************************************************************************
//  INTERFACE CONFIGURATION MACROS
//**************************************************************************

#define MCFG_SATURN_CONTROL_PORT_ADD(_tag, _slot_intf, _def_slot) \
	MCFG_DEVICE_ADD(_tag, SATURN_CONTROL_PORT, 0) \
	MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false)


void saturn_controls(device_slot_interface &device);
void saturn_joys(device_slot_interface &device);


#endif // MAME_BUS_SAT_CTRL_CTRL_H