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+/**********************************************************************
+
+ Commodore 1581/1563 Single Disk Drive emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __C1581__
+#define __C1581__
+
+
+#include "emu.h"
+#include "cpu/m6502/m6502.h"
+#include "imagedev/flopdrv.h"
+#include "formats/d81_dsk.h"
+#include "machine/6526cia.h"
+#include "machine/cbmiec.h"
+#include "machine/wd17xx.h"
+
+
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+#define C1581_TAG "c1581"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> base_c1581_device
+
+class base_c1581_device : public device_t,
+ public device_cbm_iec_interface
+{
+
+public:
+ // construction/destruction
+ base_c1581_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT32 variant);
+
+ enum
+ {
+ TYPE_1563,
+ TYPE_1581
+ };
+
+ // optional information overrides
+ virtual const rom_entry *device_rom_region() const;
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ // not really public
+ DECLARE_WRITE_LINE_MEMBER( cnt_w );
+ DECLARE_WRITE_LINE_MEMBER( sp_w );
+ DECLARE_READ8_MEMBER( cia_pa_r );
+ DECLARE_WRITE8_MEMBER( cia_pa_w );
+ DECLARE_READ8_MEMBER( cia_pb_r );
+ DECLARE_WRITE8_MEMBER( cia_pb_w );
+
+protected:
+ // device-level overrides
+ virtual void device_config_complete();
+ virtual void device_start();
+ virtual void device_reset();
+
+ // device_cbm_iec_interface overrides
+ virtual void cbm_iec_srq(int state);
+ virtual void cbm_iec_atn(int state);
+ virtual void cbm_iec_data(int state);
+ virtual void cbm_iec_reset(int state);
+
+ inline void set_iec_data();
+ inline void set_iec_srq();
+
+ required_device<cpu_device> m_maincpu;
+ required_device<mos6526_device> m_cia;
+ required_device<device_t> m_fdc;
+ required_device<legacy_floppy_image_device> m_image;
+
+ int m_data_out; // serial data out
+ int m_atn_ack; // attention acknowledge
+ int m_fast_ser_dir; // fast serial direction
+ int m_sp_out; // fast serial data out
+ int m_cnt_out; // fast serial clock out
+
+ int m_variant;
+};
+
+
+// ======================> c1563_device
+
+class c1563_device : public base_c1581_device
+{
+public:
+ // construction/destruction
+ c1563_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+};
+
+
+// ======================> c1581_device
+
+class c1581_device : public base_c1581_device
+{
+public:
+ // construction/destruction
+ c1581_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+};
+
+
+// device type definition
+extern const device_type C1563;
+extern const device_type C1581;
+
+
+
+#endif