// 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 { public: // construction/destruction template 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