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// license:BSD-3-Clause
// copyright-holders:David Haywood
/**********************************************************************
Sony Playstation 'Parallel' slot
**********************************************************************/
#include "emu.h"
#include "parallel.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(PSX_PARALLEL_SLOT, psx_parallel_slot_device, "psx_parallel_slot", "Playstation Parallel Slot")
//**************************************************************************
// DEVICE SPECTRUM_EXPANSION CARD INTERFACE
//**************************************************************************
//-------------------------------------------------
// psx_parallel_interface - constructor
//-------------------------------------------------
psx_parallel_interface::psx_parallel_interface(const machine_config &mconfig, device_t &device) :
device_interface(device, "psxparallel")
{
}
//-------------------------------------------------
// ~psx_parallel_interface - destructor
//-------------------------------------------------
psx_parallel_interface::~psx_parallel_interface()
{
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// psx_parallel_slot_device - constructor
//-------------------------------------------------
psx_parallel_slot_device::psx_parallel_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock) :
device_t(mconfig, PSX_PARALLEL_SLOT, tag, owner, clock),
device_single_card_slot_interface<psx_parallel_interface>(mconfig, *this),
m_card(nullptr)
{
}
//-------------------------------------------------
// expansion_slot_device - destructor
//-------------------------------------------------
psx_parallel_slot_device::~psx_parallel_slot_device()
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void psx_parallel_slot_device::device_start()
{
m_card = get_card_device();
}
//-------------------------------------------------
// exp_r
//-------------------------------------------------
uint16_t psx_parallel_slot_device::exp_r(offs_t offset)
{
if (m_card)
return m_card->exp_r(offset);
else
return 0xff;
}
//-------------------------------------------------
// exp_w
//-------------------------------------------------
void psx_parallel_slot_device::exp_w(offs_t offset, uint16_t data)
{
if (m_card)
m_card->exp_w(offset, data);
}
//-------------------------------------------------
// SLOT_INTERFACE( spectrum_expansion_devices )
//-------------------------------------------------
// slot devices
#include "gamebooster.h"
void psx_parallel_devices(device_slot_interface &device)
{
device.option_add("gamebooster", PSX_GAMEBOOSTER);
}
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