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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/***************************************************************************
Hanimex Pencil 2 Memory Expansion Slot
***************************************************************************/
#include "emu.h"
#include "slot.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(PENCIL2_MEMEXP_SLOT, pencil2_memexp_slot_device, "pencil2_memexp", "Pencil 2 Memory Expansion Slot")
//**************************************************************************
// SLOT DEVICE
//**************************************************************************
//-------------------------------------------------
// pencil2_memexp_slot_device - constructor
//-------------------------------------------------
pencil2_memexp_slot_device::pencil2_memexp_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
: device_t(mconfig, PENCIL2_MEMEXP_SLOT, tag, owner, clock)
, device_single_card_slot_interface<device_pencil2_memexp_interface>(mconfig, *this)
, m_card(nullptr)
, m_romdis_handler(*this)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void pencil2_memexp_slot_device::device_start()
{
m_card = get_card_device();
}
//**************************************************************************
// CARD INTERFACE
//**************************************************************************
//-------------------------------------------------
// device_pencil2_memexp_interface - constructor
//-------------------------------------------------
device_pencil2_memexp_interface::device_pencil2_memexp_interface(const machine_config &mconfig, device_t &device)
: device_interface(device, "pencil2memexp")
, m_slot(dynamic_cast<pencil2_memexp_slot_device *>(device.owner()))
{
}
//-------------------------------------------------
// mreq_r
//-------------------------------------------------
u8 pencil2_memexp_slot_device::m0_r(offs_t offset)
{
if (m_card)
return m_card->m0_r(offset);
else
return 0xff;
}
u8 pencil2_memexp_slot_device::m2_r(offs_t offset)
{
if (m_card)
return m_card->m2_r(offset);
else
return 0xff;
}
u8 pencil2_memexp_slot_device::m4_r(offs_t offset)
{
if (m_card)
return m_card->m4_r(offset);
else
return 0xff;
}
//-------------------------------------------------
// mreq_w
//-------------------------------------------------
void pencil2_memexp_slot_device::m0_w(offs_t offset, u8 data)
{
if (m_card)
m_card->m0_w(offset, data);
}
void pencil2_memexp_slot_device::m2_w(offs_t offset, u8 data)
{
if (m_card)
m_card->m2_w(offset, data);
}
void pencil2_memexp_slot_device::m4_w(offs_t offset, u8 data)
{
if (m_card)
m_card->m4_w(offset, data);
}
//**************************************************************************
// SLOT INTERFACE
//**************************************************************************
#include "coleco.h"
#include "ram.h"
void pencil2_memexp_devices(device_slot_interface &device)
{
device.option_add("coleco", PENCIL2_COLECO);
device.option_add("mem16k", PENCIL2_MEM16K);
//device.option_add("mem64k", PENCIL2_MEM64K);
}
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