// license:BSD-3-Clause // copyright-holders:Fabio Priuli #ifndef MAME_BUS_ASTROCDE_EXP_H #define MAME_BUS_ASTROCDE_EXP_H // ======================> device_astrocade_exp_interface class device_astrocade_exp_interface : public device_interface { public: // construction/destruction virtual ~device_astrocade_exp_interface(); // reading and writing virtual uint8_t read(offs_t offset) { return 0xff; } virtual void write(offs_t offset, uint8_t data) { } virtual uint8_t read_io(offs_t offset) { return 0xff; } virtual void write_io(offs_t offset, uint8_t data) { } protected: device_astrocade_exp_interface(const machine_config &mconfig, device_t &device); }; // ======================> astrocade_exp_device class astrocade_exp_device : public device_t, public device_single_card_slot_interface { public: // construction/destruction template astrocade_exp_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt) : astrocade_exp_device(mconfig, tag, owner, (uint32_t)0) { set_options(std::forward(opts), dflt, false); } astrocade_exp_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual ~astrocade_exp_device(); // device_t implementation virtual void device_start() override ATTR_COLD; bool get_card_mounted() { return m_card_mounted; } // reading and writing uint8_t read(offs_t offset); void write(offs_t offset, uint8_t data); uint8_t read_io(offs_t offset); void write_io(offs_t offset, uint8_t data); protected: bool m_card_mounted; device_astrocade_exp_interface* m_card; }; // device type declaration DECLARE_DEVICE_TYPE(ASTROCADE_EXP_SLOT, astrocade_exp_device) #endif // MAME_BUS_ASTROCDE_EXP_H