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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************

    Luxor ABC 800/802/806/1600 keyboard port emulation

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

#ifndef MAME_BUS_ABCKB_ABCKB_H
#define MAME_BUS_ABCKB_ABCKB_H

#pragma once




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

#define MCFG_ABC_KEYBOARD_PORT_ADD(_tag, _def_slot) \
	MCFG_DEVICE_ADD(_tag, ABC_KEYBOARD_PORT, 0) \
	MCFG_DEVICE_SLOT_INTERFACE(abc_keyboard_devices, _def_slot, false)

#define MCFG_ABC_KEYBOARD_OUT_RX_HANDLER(_devcb) \
	devcb = &downcast<abc_keyboard_port_device &>(*device).set_out_rx_handler(DEVCB_##_devcb);

#define MCFG_ABC_KEYBOARD_OUT_TRXC_HANDLER(_devcb) \
	devcb = &downcast<abc_keyboard_port_device &>(*device).set_out_trxc_handler(DEVCB_##_devcb);

#define MCFG_ABC_KEYBOARD_OUT_KEYDOWN_HANDLER(_devcb) \
	devcb = &downcast<abc_keyboard_port_device &>(*device).set_out_keydown_handler(DEVCB_##_devcb);



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

class abc_keyboard_interface;

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

	template <class Object> devcb_base &set_out_rx_handler(Object &&cb) { return m_out_rx_handler.set_callback(std::forward<Object>(cb)); }
	template <class Object> devcb_base &set_out_trxc_handler(Object &&cb) { return m_out_trxc_handler.set_callback(std::forward<Object>(cb)); }
	template <class Object> devcb_base &set_out_keydown_handler(Object &&cb) { return m_out_keydown_handler.set_callback(std::forward<Object>(cb)); }

	// computer interface
	DECLARE_WRITE_LINE_MEMBER( txd_w );

	// peripheral interface
	DECLARE_WRITE_LINE_MEMBER( write_rx );
	DECLARE_WRITE_LINE_MEMBER( trxc_w );
	DECLARE_WRITE_LINE_MEMBER( keydown_w );

protected:
	// device-level overrides
	virtual void device_validity_check(validity_checker &valid) const override;
	virtual void device_start() override;
	virtual void device_reset() override;

	devcb_write_line m_out_rx_handler;
	devcb_write_line m_out_trxc_handler;
	devcb_write_line m_out_keydown_handler;

	abc_keyboard_interface *m_card;
};


class abc_keyboard_interface : public device_slot_card_interface
{
public:
	virtual void txd_w(int state) { }

protected:
	// construction/destruction
	abc_keyboard_interface(const machine_config &mconfig, device_t &device);

	abc_keyboard_port_device *m_slot;
};


// device type definition
DECLARE_DEVICE_TYPE(ABC_KEYBOARD_PORT, abc_keyboard_port_device)


// supported devices
void abc_keyboard_devices(device_slot_interface &device);

#endif // MAME_BUS_ABCKB_ABCKB_H