--- nono/vm/rtc.h	2026/04/29 17:04:28	1.1
+++ nono/vm/rtc.h	2026/04/29 17:04:32	1.1.1.2
@@ -81,4 +81,4 @@ class RTCDevice : public IODevice
 	static const char * const wdays[7];	// 曜日文字列 (0 = "Sun", ...)
 };
 
-extern RTCDevice *gRTC;
+extern std::unique_ptr<RTCDevice> gRTC;