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

    Luxor 55-10828 "slow" floppy disk controller emulation

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

#pragma once

#ifndef __LUXOR_55_10828__
#define __LUXOR_55_10828__

#include "emu.h"
#include "abcbus.h"
#include "cpu/z80/z80.h"
#include "cpu/z80/z80daisy.h"
#include "formats/abc800_dsk.h"
#include "machine/wd_fdc.h"
#include "machine/z80pio.h"



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

#define ADDRESS_ABC830          45
#define ADDRESS_ABC832          44
#define ADDRESS_ABC834          44
#define ADDRESS_ABC850          44


#define DRIVE_TEAC_FD55F        0x01
#define DRIVE_BASF_6138         0x02
#define DRIVE_MICROPOLIS_1015F  0x03
#define DRIVE_BASF_6118         0x04
#define DRIVE_MICROPOLIS_1115F  0x05
#define DRIVE_BASF_6106_08      0x08
#define DRIVE_MPI_51            0x09
#define DRIVE_BASF_6105         0x0e
#define DRIVE_BASF_6106         0x0f



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

// ======================> luxor_55_10828_device

class luxor_55_10828_device :  public device_t,
								public device_abcbus_card_interface
{
public:
	// construction/destruction
	luxor_55_10828_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);

	DECLARE_WRITE8_MEMBER( ctrl_w );
	DECLARE_WRITE8_MEMBER( status_w );
	DECLARE_READ8_MEMBER( fdc_r );
	DECLARE_WRITE8_MEMBER( fdc_w );

	DECLARE_READ8_MEMBER( pio_pa_r );
	DECLARE_WRITE8_MEMBER( pio_pa_w );
	DECLARE_READ8_MEMBER( pio_pb_r );
	DECLARE_WRITE8_MEMBER( pio_pb_w );

	DECLARE_WRITE_LINE_MEMBER( fdc_intrq_w );
	DECLARE_WRITE_LINE_MEMBER( fdc_drq_w );

	DECLARE_FLOPPY_FORMATS( floppy_formats );

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

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

	// device_abcbus_interface overrides
	virtual void abcbus_cs(UINT8 data) override;
	virtual UINT8 abcbus_inp() override;
	virtual void abcbus_out(UINT8 data) override;
	virtual UINT8 abcbus_stat() override;
	virtual void abcbus_c1(UINT8 data) override;
	virtual void abcbus_c3(UINT8 data) override;

private:
	required_device<cpu_device> m_maincpu;
	required_device<z80pio_device> m_pio;
	required_device<mb8876_t> m_fdc;
	required_device<floppy_connector> m_floppy0;
	required_device<floppy_connector> m_floppy1;
	required_ioport m_sw1;
	required_ioport m_s1;

	bool m_cs;              // card selected
	UINT8 m_status;         // ABC BUS status
	UINT8 m_data;           // ABC BUS data
	bool m_fdc_irq;         // floppy interrupt
	bool m_fdc_drq;         // floppy data request
	int m_wait_enable;      // wait enable
	int m_sel0;             // drive select 0
	int m_sel1;             // drive select 1
};


// device type definition
extern const device_type LUXOR_55_10828;

#endif