--- nono/host/diskimage_raw.h	2026/04/29 17:04:57	1.1
+++ nono/host/diskimage_raw.h	2026/04/29 17:05:30	1.1.1.4
@@ -10,22 +10,21 @@
 #include "diskimage.h"
 
 // ディスクイメージ (生イメージ形式)
-class DiskImageRaw : public DiskImage
+class DiskImageRaw : public DiskImageDriver
 {
-	using inherited = DiskImage;
+	using inherited = DiskImageDriver;
  public:
-	DiskImageRaw(const std::string& pathname_);
-	virtual ~DiskImageRaw() override;
+	explicit DiskImageRaw(const std::string& pathname_);
+	~DiskImageRaw() override;
 
-	int GetInfo(off_t *, bool *) override;
+	int IsWriteable() const override;
 	bool Open(bool read_only) override;
+	void Close() override;
+	off_t GetSize() const override { return filesize; }
 	bool Read(void *buf, off_t offset, size_t size) override;
 	bool Write(const void *buf, off_t offset, size_t size) override;
-	void Close() override;
-	off_t GetSize() const override;
 
  private:
 	autofd fd {};
-	uint8 *mem {};
-	off_t memlen {};
+	off_t filesize {};
 };