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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Commodore 8280 Dual 8" Disk Drive emulation
**********************************************************************/
#pragma once
#ifndef __C8280__
#define __C8280__
#include "emu.h"
#include "ieee488.h"
#include "cpu/m6502/m6502.h"
#include "formats/c8280_dsk.h"
#include "machine/mos6530n.h"
#include "machine/wd_fdc.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> c8280_t
class c8280_t : public device_t,
public device_ieee488_interface
{
public:
// construction/destruction
c8280_t(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( dio_r );
DECLARE_WRITE8_MEMBER( dio_w );
DECLARE_READ8_MEMBER( riot1_pa_r );
DECLARE_WRITE8_MEMBER( riot1_pa_w );
DECLARE_READ8_MEMBER( riot1_pb_r );
DECLARE_WRITE8_MEMBER( riot1_pb_w );
DECLARE_READ8_MEMBER( fk5_r );
DECLARE_WRITE8_MEMBER( fk5_w );
DECLARE_FLOPPY_FORMATS( floppy_formats );
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
// device_ieee488_interface overrides
void ieee488_atn(int state);
void ieee488_ifc(int state);
private:
inline void update_ieee_signals();
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_fdccpu;
required_device<mos6532_t> m_riot0;
required_device<mos6532_t> m_riot1;
required_device<fd1797_t> m_fdc;
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
required_ioport m_address;
floppy_image_device *m_floppy;
// IEEE-488 bus
int m_rfdo; // not ready for data output
int m_daco; // not data accepted output
int m_atna; // attention acknowledge
int m_ifc;
UINT8 m_fk5;
};
// device type definition
extern const device_type C8280;
#endif
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