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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
/**********************************************************************
Mattel Intellivision controller port emulation
**********************************************************************/
#ifndef MAME_BUS_INTV_CTRL_CTRL_H
#define MAME_BUS_INTV_CTRL_CTRL_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class intv_control_port_device;
// ======================> device_intv_control_port_interface
class device_intv_control_port_interface : public device_interface
{
public:
// construction/destruction
virtual ~device_intv_control_port_interface();
virtual uint8_t read_ctrl() { return 0; }
protected:
device_intv_control_port_interface(const machine_config &mconfig, device_t &device);
intv_control_port_device *m_port;
};
// ======================> intv_control_port_device
class intv_control_port_device : public device_t, public device_single_card_slot_interface<device_intv_control_port_interface>
{
public:
// construction/destruction
template <typename T>
intv_control_port_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt)
: intv_control_port_device(mconfig, tag, owner)
{
option_reset();
opts(*this);
set_default_option(dflt);
set_fixed(false);
}
intv_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock = XTAL());
virtual ~intv_control_port_device();
uint8_t ctrl_r() { return m_device ? m_device->read_ctrl() : 0; }
protected:
// device-level overrides
virtual void device_start() override;
device_intv_control_port_interface *m_device;
};
// device type definition
DECLARE_DEVICE_TYPE(INTV_CONTROL_PORT, intv_control_port_device)
void intv_control_port_devices(device_slot_interface &device);
#endif // MAME_BUS_INTV_CTRL_CTRL_H
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