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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Commodore 1581/1563 Single Disk Drive emulation
**********************************************************************/
#pragma once
#ifndef __C1581__
#define __C1581__
#include "cbmiec.h"
#include "cpu/m6502/m6502.h"
#include "formats/d81_dsk.h"
#include "machine/mos6526.h"
#include "machine/wd_fdc.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define C1581_TAG "c1581"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> c1581_t
class c1581_t : public device_t,
public device_cbm_iec_interface
{
public:
// construction/destruction
c1581_t(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, uint32_t clock, const char *shortname, const char *source);
c1581_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual machine_config_constructor device_mconfig_additions() const override;
virtual ioport_constructor device_input_ports() const override;
// 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_start() override;
virtual void device_reset() override;
// device_cbm_iec_interface overrides
virtual void cbm_iec_srq(int state) override;
virtual void cbm_iec_atn(int state) override;
virtual void cbm_iec_data(int state) override;
virtual void cbm_iec_reset(int state) override;
enum
{
LED_POWER = 0,
LED_ACT
};
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;
required_ioport m_address;
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
};
// ======================> c1563_t
class c1563_t : public c1581_t
{
public:
// construction/destruction
c1563_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// device type definition
extern const device_type C1563;
extern const device_type C1581;
#endif
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