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-rw-r--r--src/devices/bus/psion/module/slot.cpp114
1 files changed, 114 insertions, 0 deletions
diff --git a/src/devices/bus/psion/module/slot.cpp b/src/devices/bus/psion/module/slot.cpp
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+++ b/src/devices/bus/psion/module/slot.cpp
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+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/**********************************************************************
+
+ Psion Extended Internal Expansion slot emulation
+
+ This port is on Series MC/HC machines only.
+
+**********************************************************************/
+
+#include "emu.h"
+#include "slot.h"
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(PSION_MODULE_SLOT, psion_module_slot_device, "psion_module_slot", "Psion Extended Internal Expansion slot")
+
+
+//**************************************************************************
+// DEVICE PSION_EXP PORT INTERFACE
+//**************************************************************************
+
+//-------------------------------------------------
+// device_psion_module_interface - constructor
+//-------------------------------------------------
+
+device_psion_module_interface::device_psion_module_interface(const machine_config &mconfig, device_t &device) :
+ device_interface(device, "psionmodule")
+{
+ m_slot = dynamic_cast<psion_module_slot_device *>(device.owner());
+}
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// psion_module_slot_device - constructor
+//-------------------------------------------------
+
+psion_module_slot_device::psion_module_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+ : device_t(mconfig, PSION_MODULE_SLOT, tag, owner, clock)
+ , device_single_card_slot_interface<device_psion_module_interface>(mconfig, *this)
+ , m_intr_cb(*this)
+ , m_card(nullptr)
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void psion_module_slot_device::device_start()
+{
+ m_card = get_card_device();
+}
+
+
+//-------------------------------------------------
+// read
+//-------------------------------------------------
+
+uint8_t psion_module_slot_device::data_r()
+{
+ return m_card ? m_card->data_r() : 0x00;
+}
+
+uint8_t psion_module_slot_device::io_r(offs_t offset)
+{
+ if (m_card)
+ return m_card->io_r(offset);
+ else
+ return 0x00;
+}
+
+
+//-------------------------------------------------
+// write
+//-------------------------------------------------
+
+void psion_module_slot_device::data_w(uint16_t data)
+{
+ if (m_card)
+ m_card->data_w(data);
+}
+
+void psion_module_slot_device::io_w(offs_t offset, uint8_t data)
+{
+ if (m_card)
+ m_card->io_w(offset, data);
+}
+
+
+//-------------------------------------------------
+// SLOT_INTERFACE( psion_module_devices )
+//-------------------------------------------------
+
+// slot devices
+#include "serpar.h"
+
+void psion_hcmodule_devices(device_slot_interface &device)
+{
+ device.option_add("serpar", PSION_SERIAL_PARALLEL); // Psion RS232/Parallel Module
+}
+
+void psion_mcmodule_devices(device_slot_interface &device)
+{
+ device.option_add("serpar", PSION_SERIAL_PARALLEL); // Psion RS232/Parallel Module
+}