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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Commodore D9060/D9090 Hard Disk Drive emulation
**********************************************************************/
#ifndef MAME_BUS_IEEE488_D9060_H
#define MAME_BUS_IEEE488_D9060_H
#pragma once
#include "ieee488.h"
#include "cpu/m6502/m6502.h"
#include "machine/6522via.h"
#include "machine/mos6530n.h"
#include "bus/scsi/scsi.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> d9060_device_base
class d9060_device_base : public device_t, public device_ieee488_interface
{
protected:
enum
{
TYPE_9060,
TYPE_9090
};
// construction/destruction
d9060_device_base(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock, uint32_t variant);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
// device_ieee488_interface overrides
void ieee488_atn(int state) override;
void ieee488_ifc(int state) override;
private:
inline void update_ieee_signals();
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_WRITE8_MEMBER( via_pb_w );
DECLARE_WRITE_LINE_MEMBER( ack_w );
DECLARE_WRITE_LINE_MEMBER( enable_w );
DECLARE_WRITE8_MEMBER( scsi_data_w );
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_hdccpu;
required_device<mos6532_new_device> m_riot0;
required_device<mos6532_new_device> m_riot1;
required_device<via6522_device> m_via;
required_device<scsi_port_device> m_sasibus;
required_device<output_latch_device> m_sasi_data_out;
required_ioport m_address;
output_finder<3> m_led;
// 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;
// SASI bus
int m_enable;
uint8_t m_data;
int m_variant;
void d9060_hdc_mem(address_map &map);
void d9060_main_mem(address_map &map);
};
// ======================> d9060_device
class d9060_device : public d9060_device_base
{
public:
// construction/destruction
d9060_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
};
// ======================> d9090_device
class d9090_device : public d9060_device_base
{
public:
// construction/destruction
d9090_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
};
// device type definition
DECLARE_DEVICE_TYPE(D9060, d9060_device)
DECLARE_DEVICE_TYPE(D9090, d9090_device)
#endif // MAME_BUS_IEEE488_D9060_H
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