// license:BSD-3-Clause // copyright-holders:Juergen Buchmueller /********************************************************** * DIABLO drive image to hard disk interface **********************************************************/ #ifndef MAME_DEVICES_IMAGEDEV_DIABLO_H #define MAME_DEVICES_IMAGEDEV_DIABLO_H #pragma once #include "harddisk.h" #include "softlist_dev.h" #define DIABLO_TAG(id) "diablo"#id /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ // ======================> diablo_image_device class diablo_image_device : public device_t, public device_image_interface { public: // construction/destruction diablo_image_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual ~diablo_image_device(); template void set_device_load(Object &&cb) { m_device_image_load = std::forward(cb); } template void set_device_unload(Object &&cb) { m_device_image_unload = std::forward(cb); } 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 true; } virtual bool is_writeable() const noexcept override { return true; } virtual bool is_creatable() const noexcept override { return false; } virtual bool must_be_loaded() const noexcept override { return false; } virtual bool is_reset_on_load() const noexcept override { return false; } virtual const char *image_interface() const noexcept override { return m_interface; } virtual const char *file_extensions() const noexcept override { return "chd,dsk"; } 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: // 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_dsk(); 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(DIABLO, diablo_image_device) #endif // MAME_DEVICES_IMAGEDEV_DIABLO_H