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/**********************************************************************
Luxor 55-21046 "fast" floppy disk controller emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
*********************************************************************/
#pragma once
#ifndef __LUXOR_55_21046__
#define __LUXOR_55_21046__
#include "emu.h"
#include "cpu/z80/z80.h"
#include "cpu/z80/z80daisy.h"
#include "machine/abcbus.h"
#include "machine/wd_fdc.h"
#include "machine/z80dma.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define ADDRESS_ABC832 44
#define ADDRESS_ABC830 45
#define ADDRESS_ABC838 46
#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_21046_device
class luxor_55_21046_device : public device_t,
public device_abcbus_card_interface
{
public:
// construction/destruction
luxor_55_21046_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( _3d_r );
DECLARE_WRITE8_MEMBER( _4d_w );
DECLARE_WRITE8_MEMBER( _4b_w );
DECLARE_WRITE8_MEMBER( _9b_w );
DECLARE_WRITE8_MEMBER( _8a_w );
DECLARE_READ8_MEMBER( _9a_r );
DECLARE_WRITE_LINE_MEMBER( dma_int_w );
DECLARE_READ8_MEMBER(memory_read_byte);
DECLARE_WRITE8_MEMBER(memory_write_byte);
DECLARE_READ8_MEMBER(io_read_byte);
DECLARE_WRITE8_MEMBER(io_write_byte);
void fdc_intrq_w(bool state);
void fdc_drq_w(bool state);
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
// device_abcbus_interface overrides
virtual void abcbus_cs(UINT8 data);
virtual void abcbus_rst(int state);
virtual UINT8 abcbus_inp();
virtual void abcbus_utp(UINT8 data);
virtual UINT8 abcbus_stat();
virtual void abcbus_c1(UINT8 data);
virtual void abcbus_c3(UINT8 data);
private:
required_device<cpu_device> m_maincpu;
required_device<z80dma_device> m_dma;
required_device<fd1793_t> m_fdc;
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
floppy_image_device *m_floppy;
required_ioport m_sw1;
required_ioport m_sw2;
required_ioport m_sw3;
bool m_cs; // card selected
UINT8 m_status; // ABC BUS status
UINT8 m_data_in; // ABC BUS data in
UINT8 m_data_out; // ABC BUS data out
bool m_fdc_irq; // FDC interrupt
int m_dma_irq; // DMA interrupt
int m_busy; // busy bit
int m_force_busy; // force busy bit
};
// device type definition
extern const device_type LUXOR_55_21046;
// default input ports
extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc830_fast )[];
extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc832_fast )[];
extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc834_fast )[];
extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc838_fast )[];
extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( abc850_fast )[];
#endif
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