--- nono/vm/sram.h	2026/04/29 17:04:28	1.1
+++ nono/vm/sram.h	2026/04/29 17:04:32	1.1.1.2
@@ -29,6 +29,9 @@ class SRAMDevice
 	void write_enable(bool value);
 
  private:
+	// アドレスデコーダ
+	uint64 Decoder(uint32 addr) const;
+
 	std::string filename;
 	int fd = 0;
 
@@ -41,4 +44,4 @@ class SRAMDevice
 	bool writeable = false;
 };
 
-extern SRAMDevice *gSRAM;
+extern std::unique_ptr<SRAMDevice> gSRAM;