// license:BSD-3-Clause // copyright-holders:Nathan Woods, Raphael Nabet, Miodrag Milanovic /********************************************************************* harddriv.h Interface to the CHD code *********************************************************************/ #ifndef MAME_DEVICES_IMAGEDEV_HARDDRIV_H #define MAME_DEVICES_IMAGEDEV_HARDDRIV_H #include "harddisk.h" #include "softlist_dev.h" /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ // ======================> harddisk_image_device class harddisk_image_device : public device_t, public device_image_interface { public: // construction/destruction harddisk_image_device(const machine_config &mconfig, const char *tag, device_t *owner, const char *intf) : harddisk_image_device(mconfig, tag, owner, (uint32_t)0) { set_interface(intf); } harddisk_image_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); virtual ~harddisk_image_device(); template void set_device_load(T &&... args) { m_device_image_load.set(std::forward(args)...); } template void set_device_unload(T &&... args) { m_device_image_unload.set(std::forward(args)...); } void set_interface(const char *interface) { m_interface = interface; } // image-level overrides virtual image_init_result call_load() override; virtual image_init_result call_create(int create_format, util::option_resolution *create_args) override; virtual void call_unload() override; virtual iodevice_t image_type() const noexcept override { return IO_HARDDISK; } virtual bool is_readable() const noexcept override { return 1; } virtual bool is_writeable() const noexcept override { return 1; } virtual bool is_creatable() const noexcept override { return 0; } virtual bool must_be_loaded() const noexcept override { return 0; } virtual bool is_reset_on_load() const noexcept override { return 0; } virtual const char *image_interface() const noexcept override { return m_interface; } virtual const char *file_extensions() const noexcept override { return "chd,hd,hdv,2mg,hdi"; } virtual const util::option_guide &create_option_guide() const override; // specific implementation hard_disk_file *get_hard_disk_file() { return m_hard_disk_handle; } chd_file *get_chd_file(); protected: harddisk_image_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); // device-level overrides virtual void device_config_complete() override; virtual void device_start() override; virtual void device_stop() override; // device_image_interface implementation virtual const software_list_loader &get_software_list_loader() const override { return rom_software_list_loader::instance(); } image_init_result internal_load_hd(); chd_file *m_chd; chd_file m_origchd; /* handle to the original CHD */ chd_file m_diffchd; /* handle to the diff CHD */ hard_disk_file *m_hard_disk_handle; load_delegate m_device_image_load; unload_delegate m_device_image_unload; const char * m_interface; }; // device type definition DECLARE_DEVICE_TYPE(HARDDISK, harddisk_image_device) #endif // MAME_DEVICES_IMAGEDEV_HARDDRIV_H