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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
/**********************************************************************
Mattel Intellivision controller port emulation
**********************************************************************/
#include "emu.h"
#include "ctrl.h"
// slot devices
#include "handctrl.h"
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
const device_type INTV_CONTROL_PORT = device_creator<intv_control_port_device>;
//**************************************************************************
// CARD INTERFACE
//**************************************************************************
//-------------------------------------------------
// device_intv_control_port_interface - constructor
//-------------------------------------------------
device_intv_control_port_interface::device_intv_control_port_interface(const machine_config &mconfig, device_t &device)
: device_slot_card_interface(mconfig,device)
{
m_port = dynamic_cast<intv_control_port_device *>(device.owner());
}
//-------------------------------------------------
// ~device_intv_control_port_interface - destructor
//-------------------------------------------------
device_intv_control_port_interface::~device_intv_control_port_interface()
{
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// intv_control_port_device - constructor
//-------------------------------------------------
intv_control_port_device::intv_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, INTV_CONTROL_PORT, "Mattel Intellivision control port", tag, owner, clock, "intv_control_port", __FILE__),
device_slot_interface(mconfig, *this), m_device(nullptr)
{
}
//-------------------------------------------------
// intv_control_port_device - destructor
//-------------------------------------------------
intv_control_port_device::~intv_control_port_device()
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void intv_control_port_device::device_start()
{
m_device = dynamic_cast<device_intv_control_port_interface *>(get_card_device());
}
uint8_t intv_control_port_device::read_ctrl()
{
uint8_t data = 0;
if (m_device)
data |= m_device->read_ctrl();
return data;
}
//-------------------------------------------------
// SLOT_INTERFACE( intv_control_port_devices )
//-------------------------------------------------
SLOT_INTERFACE_START( intv_control_port_devices )
SLOT_INTERFACE("handctrl", INTV_HANDCTRL)
SLOT_INTERFACE_END
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