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-rw-r--r--src/devices/imagedev/cartrom.h55
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diff --git a/src/devices/imagedev/cartrom.h b/src/devices/imagedev/cartrom.h
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+// license:BSD-3-Clause
+// copyright-holders:AJR
+/*********************************************************************
+
+ cartrom.h
+
+ Base classes for ROM and cartridge ROM image devices.
+
+*********************************************************************/
+
+#ifndef MAME_IMAGEDEV_CARTROM_H
+#define MAME_IMAGEDEV_CARTROM_H
+
+#pragma once
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> device_rom_image_interface
+
+class device_rom_image_interface : public device_image_interface
+{
+public:
+ // image-level overrides
+ virtual bool is_readable() const noexcept override { return true; }
+ virtual bool is_writeable() const noexcept override { return false; }
+ virtual bool is_creatable() const noexcept override { return false; }
+ virtual const char *image_type_name() const noexcept override { return "romimage"; }
+ virtual const char *image_brief_type_name() const noexcept override { return "rom"; }
+
+protected:
+ // construction/destruction
+ device_rom_image_interface(const machine_config &mconfig, device_t &device);
+
+ // device_image_interface implementation
+ virtual const software_list_loader &get_software_list_loader() const override;
+};
+
+// ======================> device_cartrom_image_interface
+
+class device_cartrom_image_interface : public device_rom_image_interface
+{
+public:
+ // image-level overrides
+ virtual const char *image_type_name() const noexcept override { return "cartridge"; }
+ virtual const char *image_brief_type_name() const noexcept override { return "cart"; }
+
+protected:
+ // construction/destruction
+ device_cartrom_image_interface(const machine_config &mconfig, device_t &device);
+};
+
+#endif // MAME_IMAGEDEV_CARTROM_H