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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
}
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