--- nono/vm/sysclk.h	2026/04/29 17:04:42	1.1.1.4
+++ nono/vm/sysclk.h	2026/04/29 17:04:45	1.1.1.5
@@ -15,7 +15,7 @@ class SysClkDevice
 	using inherited = IODevice;
  public:
 	SysClkDevice();
-	~SysClkDevice() override;
+	virtual ~SysClkDevice() override;
 
 	bool Init() override;
 	bool PowerOn() override;
@@ -40,3 +40,5 @@ class SysClkDevice
 	// 割り込みイベント
 	Event event {};
 };
+
+extern std::unique_ptr<SysClkDevice> gSysClk;