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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