--- nono/vm/fuserom.h	2026/04/29 17:04:41	1.1.1.3
+++ nono/vm/fuserom.h	2026/04/29 17:04:50	1.1.1.5
@@ -16,18 +16,20 @@ class FuseROMDevice : public IODevice
 	static const uint32 SRCBYTES = 128;
  public:
 	FuseROMDevice();
-	~FuseROMDevice() override;
+	virtual ~FuseROMDevice() override;
 
 	bool Init() override;
 
  protected:
 	// BusIO インタフェース
 	static const uint32 NPORT = SRCBYTES * 2;	// XXX 未調査
-	uint64 Read(uint32 addr);
-	uint64 Write(uint32 addr, uint32 data);
-	uint64 Peek(uint32 addr);
+	uint64 Read(uint32 offset);
+	uint64 Write(uint32 offset, uint32 data);
+	uint64 Peek(uint32 offset);
 
  private:
 	// バイトデータで保持しておく
 	uint8 src[SRCBYTES] {};
 };
+
+extern std::unique_ptr<FuseROMDevice> gFuseROM;