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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
BBC Micro Floppy Disc Controller slot emulation
**********************************************************************/
#pragma once
#ifndef __BBC_FDC_SLOT__
#define __BBC_FDC_SLOT__
#include "emu.h"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_BBC_FDC_SLOT_ADD(_tag, _slot_intf, _def_slot, _fixed) \
MCFG_DEVICE_ADD(_tag, BBC_FDC_SLOT, 0) \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, _fixed)
#define MCFG_BBC_FDC_SLOT_INTRQ_HANDLER(_devcb) \
devcb = &bbc_fdc_slot_device::set_intrq_handler(*device, DEVCB_##_devcb);
#define MCFG_BBC_FDC_SLOT_DRQ_HANDLER(_devcb) \
devcb = &bbc_fdc_slot_device::set_drq_handler(*device, DEVCB_##_devcb);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> bbc_fdc_slot_device
class device_bbc_fdc_interface;
class bbc_fdc_slot_device : public device_t, public device_slot_interface
{
public:
// construction/destruction
bbc_fdc_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~bbc_fdc_slot_device();
// callbacks
template<class _Object> static devcb_base &set_intrq_handler(device_t &device, _Object object)
{ return downcast<bbc_fdc_slot_device &>(device).m_intrq_handler.set_callback(object); }
template<class _Object> static devcb_base &set_drq_handler(device_t &device, _Object object)
{ return downcast<bbc_fdc_slot_device &>(device).m_drq_handler.set_callback(object); }
DECLARE_WRITE_LINE_MEMBER( intrq_w ) { m_intrq_handler(state); }
DECLARE_WRITE_LINE_MEMBER( drq_w) { m_drq_handler(state); }
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
device_bbc_fdc_interface *m_card;
private:
devcb_write_line m_intrq_handler;
devcb_write_line m_drq_handler;
};
// ======================> device_bbc_fdc_interface
class device_bbc_fdc_interface : public device_slot_card_interface
{
public:
// construction/destruction
device_bbc_fdc_interface(const machine_config &mconfig, device_t &device);
virtual ~device_bbc_fdc_interface();
protected:
bbc_fdc_slot_device *m_slot;
};
// device type definition
extern const device_type BBC_FDC_SLOT;
SLOT_INTERFACE_EXTERN( bbc_fdc_devices );
#endif
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