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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************

    BBC 1MHz Bus emulation

**********************************************************************/

#include "emu.h"
#include "1mhzbus.h"


//**************************************************************************
//  DEVICE DEFINITIONS
//**************************************************************************

DEFINE_DEVICE_TYPE(BBC_1MHZBUS_SLOT, bbc_1mhzbus_slot_device, "bbc_1mhzbus_slot", "BBC Micro 1MHz Bus port")



//**************************************************************************
//  DEVICE BBC_1MHZBUS PORT INTERFACE
//**************************************************************************

//-------------------------------------------------
//  device_bbc_1mhzbus_interface - constructor
//-------------------------------------------------

device_bbc_1mhzbus_interface::device_bbc_1mhzbus_interface(const machine_config &mconfig, device_t &device)
	: device_slot_card_interface(mconfig, device)
{
	m_slot = dynamic_cast<bbc_1mhzbus_slot_device *>(device.owner());
}


//-------------------------------------------------
//  ~device_bbc_1mhzbus_interface - destructor
//-------------------------------------------------

device_bbc_1mhzbus_interface::~device_bbc_1mhzbus_interface()
{
}



//**************************************************************************
//  LIVE DEVICE
//**************************************************************************

//-------------------------------------------------
//  bbc_1mhzbus_slot_device - constructor
//-------------------------------------------------

bbc_1mhzbus_slot_device::bbc_1mhzbus_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
	device_t(mconfig, BBC_1MHZBUS_SLOT, tag, owner, clock),
	device_slot_interface(mconfig, *this),
	m_card(nullptr),
	m_irq_handler(*this),
	m_nmi_handler(*this)
{
}


//-------------------------------------------------
//  bbc_1mhzbus_slot_device - destructor
//-------------------------------------------------

bbc_1mhzbus_slot_device::~bbc_1mhzbus_slot_device()
{
}


//-------------------------------------------------
//  device_validity_check -
//-------------------------------------------------

void bbc_1mhzbus_slot_device::device_validity_check(validity_checker &valid) const
{
	device_t *const carddev = get_card_device();
	if (carddev && !dynamic_cast<device_bbc_1mhzbus_interface *>(carddev))
		osd_printf_error("Card device %s (%s) does not implement device_bbc_1mhzbus_interface\n", carddev->tag(), carddev->name());
}


//-------------------------------------------------
//  device_start - device-specific startup
//-------------------------------------------------

void bbc_1mhzbus_slot_device::device_start()
{
	device_t *const carddev = get_card_device();
	m_card = dynamic_cast<device_bbc_1mhzbus_interface *>(carddev);
	if (carddev && !m_card)
		fatalerror("Card device %s (%s) does not implement device_bbc_1mhzbus_interface\n", carddev->tag(), carddev->name());

	// resolve callbacks
	m_irq_handler.resolve_safe();
	m_nmi_handler.resolve_safe();
}


//-------------------------------------------------
//  device_reset - device-specific reset
//-------------------------------------------------

void bbc_1mhzbus_slot_device::device_reset()
{
}

WRITE_LINE_MEMBER(bbc_1mhzbus_slot_device::rst_w)
{
	if (m_card)
		m_card->rst_w(state);
}

//-------------------------------------------------
//  SLOT_INTERFACE( bbc_1mhzbus_devices )
//-------------------------------------------------


// slot devices
//#include "teletext.h"
//#include "ieee488.h"
//#include "m5000.h"
//#include "multiform.h"
#include "opus3.h"
//#include "ramdisc.h"
//#include "graduate.h"
#include "beebsid.h"
//#include "prisma3.h"
#include "cfa3000opt.h"


void bbc_1mhzbus_devices(device_slot_interface &device)
{
//  device.option_add("teletext",   BBC_TELETEXT);        /* Acorn ANE01 Teletext Adapter */
//  device.option_add("ieee488",    BBC_IEEE488);         /* Acorn ANK01 IEEE488 Interface */
//  device.option_add("m500",       BBC_M500);            /* Acorn ANV02 Music 500 */
//  device.option_add("m2000",      BBC_M2000);           /* Hybrid Music 2000 MIDI Interface */
//  device.option_add("m3000",      BBC_M3000);           /* Hybrid Music 3000 Expander */
//  device.option_add("m5000",      BBC_M5000);           /* Hybrid Music 5000 Synthesiser */
//  device.option_add("multiform",  BBC_MULTIFORM);       /* Technomatic Multiform Z80 */
	device.option_add("opus3",      BBC_OPUS3);           /* Opus Challenger 3 */
//  device.option_add("ramdisc",    BBC_RAMDISC);         /* Morley Electronics RAM Disc */
//  device.option_add("graduate",   BBC_GRADUATE);        /* The Torch Graduate G400/G800 */
	device.option_add("beebsid",    BBC_BEEBSID);         /* BeebSID */
//  device.option_add("prisma3",    BBC_PRISMA3);         /* PRISMA-3 - Millipede 1989 */
	device.option_add("cfa3000opt", CFA3000_OPT);         /* Henson CFA 3000 Option Board */
}