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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 "formats/d81_dsk.h"
#include "machine/cbmiec.h"
#include "machine/mos6526.h"
#include "machine/wd_fdc.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define C1581_TAG "c1581"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> c1581_device
class c1581_device : public device_t,
public device_cbm_iec_interface
{
public:
// construction/destruction
c1581_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT32 variant);
c1581_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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 );
DECLARE_FLOPPY_FORMATS( floppy_formats );
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);
void update_iec();
required_device<cpu_device> m_maincpu;
required_device<mos6526_device> m_cia;
required_device<wd1772_t> m_fdc;
required_device<floppy_image_device> m_floppy;
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 c1581_device
{
public:
// construction/destruction
c1563_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
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