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-rw-r--r--src/devices/bus/psx/parallel.cpp114
1 files changed, 114 insertions, 0 deletions
diff --git a/src/devices/bus/psx/parallel.cpp b/src/devices/bus/psx/parallel.cpp
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+++ b/src/devices/bus/psx/parallel.cpp
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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_slot_card_interface(mconfig, device)
+{
+}
+
+
+//-------------------------------------------------
+// ~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, uint32_t clock) :
+ device_t(mconfig, PSX_PARALLEL_SLOT, tag, owner, clock),
+ device_slot_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 = dynamic_cast<psx_parallel_interface *>(get_card_device());
+}
+
+//-------------------------------------------------
+// device_reset - device-specific reset
+//-------------------------------------------------
+
+void psx_parallel_slot_device::device_reset()
+{
+}
+
+//-------------------------------------------------
+// exp_r
+//-------------------------------------------------
+
+READ16_MEMBER(psx_parallel_slot_device::exp_r)
+{
+ if (m_card)
+ return m_card->exp_r(space, offset);
+ else
+ return 0xff;
+}
+
+//-------------------------------------------------
+// exp_w
+//-------------------------------------------------
+
+WRITE16_MEMBER(psx_parallel_slot_device::exp_w)
+{
+ if (m_card)
+ m_card->exp_w(space, offset, data);
+}
+
+//-------------------------------------------------
+// SLOT_INTERFACE( spectrum_expansion_devices )
+//-------------------------------------------------
+
+
+// slot devices
+#include "gamebooster.h"
+
+SLOT_INTERFACE_START( psx_parallel_devices )
+ SLOT_INTERFACE("gamebooster", PSX_GAMEBOOSTER)
+SLOT_INTERFACE_END
+