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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/*********************************************************************

    Decision Mate V expansion slot

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

#ifndef __DMV_CART_H__
#define __DMV_CART_H__

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

// ======================> device_dmvslot_interface

class device_dmvslot_interface : public device_slot_card_interface
{
public:
	// construction/destruction
	device_dmvslot_interface(const machine_config &mconfig, device_t &device);
	virtual ~device_dmvslot_interface();

	virtual bool read(offs_t offset, UINT8 &data) { return false; }
	virtual bool write(offs_t offset, UINT8 data) { return false; }
	virtual void io_read(address_space &space, int ifsel, offs_t offset, UINT8 &data) { }
	virtual void io_write(address_space &space, int ifsel, offs_t offset, UINT8 data) { }

	// slot 1
	virtual void ram_read(UINT8 cas, offs_t offset, UINT8 &data) { }
	virtual void ram_write(UINT8 cas, offs_t offset, UINT8 data) { }

	// slot 7 and 7A
	virtual bool av16bit() { return false; }
	virtual void hold_w(int state) { }
	virtual void switch16_w(int state) { }
	virtual void timint_w(int state) { }
	virtual void keyint_w(int state) { }
	virtual void busint_w(int state) { }
	virtual void flexint_w(int state) { }
	virtual void irq2_w(int state) { }
	virtual void irq2a_w(int state) { }
	virtual void irq3_w(int state) { }
	virtual void irq4_w(int state) { }
	virtual void irq5_w(int state) { }
	virtual void irq6_w(int state) { }
};


// ======================> dmvcart_slot_device

class dmvcart_slot_device : public device_t,
							public device_slot_interface
{
public:
	// construction/destruction
	dmvcart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
	virtual ~dmvcart_slot_device();

	template<class _Object> static devcb_base &set_prog_read_callback(device_t &device, _Object object) { return downcast<dmvcart_slot_device &>(device).m_prog_read_cb.set_callback(object); }
	template<class _Object> static devcb_base &set_prog_write_callback(device_t &device, _Object object) { return downcast<dmvcart_slot_device &>(device).m_prog_write_cb.set_callback(object); }
	template<class _Object> static devcb_base &set_out_int_callback(device_t &device, _Object object) { return downcast<dmvcart_slot_device &>(device).m_out_int_cb.set_callback(object); }
	template<class _Object> static devcb_base &set_out_irq_callback(device_t &device, _Object object) { return downcast<dmvcart_slot_device &>(device).m_out_irq_cb.set_callback(object); }
	template<class _Object> static devcb_base &set_out_thold_callback(device_t &device, _Object object) { return downcast<dmvcart_slot_device &>(device).m_out_thold_cb.set_callback(object); }

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

	// reading and writing
	virtual bool read(offs_t offset, UINT8 &data);
	virtual bool write(offs_t offset, UINT8 data);
	virtual void ram_read(UINT8 cas, offs_t offset, UINT8 &data);
	virtual void ram_write(UINT8 cas, offs_t offset, UINT8 data);
	virtual void io_read(address_space &space, int ifsel, offs_t offset, UINT8 &data);
	virtual void io_write(address_space &space, int ifsel, offs_t offset, UINT8 data);
	virtual void hold_w(int state);
	virtual void switch16_w(int state);
	virtual void timint_w(int state);
	virtual void keyint_w(int state);
	virtual void busint_w(int state);
	virtual void flexint_w(int state);
	virtual void irq2_w(int state);
	virtual void irq2a_w(int state);
	virtual void irq3_w(int state);
	virtual void irq4_w(int state);
	virtual void irq5_w(int state);
	virtual void irq6_w(int state);
	virtual bool av16bit();

	// internal state
	devcb_read8                     m_prog_read_cb;
	devcb_write8                    m_prog_write_cb;
	devcb_write_line                m_out_int_cb;
	devcb_write_line                m_out_irq_cb;
	devcb_write_line                m_out_thold_cb;
	device_dmvslot_interface*       m_cart;
};


// device type definition
extern const device_type DMVCART_SLOT;


/***************************************************************************
    DEVICE CONFIGURATION MACROS
***************************************************************************/

#define MCFG_DMVCART_SLOT_PROGRAM_READWRITE_CB(_read_devcb, _write_devcb) \
	devcb = &dmvcart_slot_device::set_prog_read_callback(*device, DEVCB_##_read_devcb); \
	devcb = &dmvcart_slot_device::set_prog_write_callback(*device, DEVCB_##_write_devcb);

#define MCFG_DMVCART_SLOT_OUT_INT_CB(_devcb) \
	devcb = &dmvcart_slot_device::set_out_int_callback(*device, DEVCB_##_devcb);

#define MCFG_DMVCART_SLOT_OUT_IRQ_CB(_devcb) \
	devcb = &dmvcart_slot_device::set_out_irq_callback(*device, DEVCB_##_devcb);

#define MCFG_DMVCART_SLOT_OUT_THOLD_CB(_devcb) \
	devcb = &dmvcart_slot_device::set_out_thold_callback(*device, DEVCB_##_devcb);

#endif /* __DMV_CART_H__ */