// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic /********************************************************************* ng_memcard.h NEOGEO Memory card functions. *********************************************************************/ #ifndef MAME_MACHINE_NG_MEMCARD_H #define MAME_MACHINE_NG_MEMCARD_H #pragma once // ======================> ng_memcard_device class ng_memcard_device : public device_t, public device_image_interface { public: // construction/destruction ng_memcard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // device_image_interface implementation virtual iodevice_t image_type() const noexcept override { return IO_MEMCARD; } virtual bool is_readable() const noexcept override { return true; } virtual bool is_writeable() const noexcept override { return true; } virtual bool is_creatable() const noexcept override { return true; } virtual bool must_be_loaded() const noexcept override { return false; } virtual bool is_reset_on_load() const noexcept override { return false; } virtual const char *file_extensions() const noexcept override { return "neo"; } virtual image_init_result call_load() override; virtual void call_unload() override; virtual image_init_result call_create(int format_type, util::option_resolution *format_options) override; // bus interface uint8_t read(offs_t offset); void write(offs_t offset, uint8_t data); bool present() { return is_loaded(); } protected: // device-level overrides virtual void device_start() override; private: uint8_t m_memcard_data[0x800]; }; // device type definition DECLARE_DEVICE_TYPE(NG_MEMCARD, ng_memcard_device) #endif // MAME_MACHINE_NG_MEMCARD_H