--- nono/vm/spc.h	2026/04/29 17:04:53	1.1.1.9
+++ nono/vm/spc.h	2026/04/29 17:04:56	1.1.1.10
@@ -8,6 +8,7 @@
 
 #include "device.h"
 #include "fixedqueue.h"
+#include "monitor.h"
 #include "scheduler.h"
 #include "scsidev.h"
 #include "vm.h"
@@ -154,8 +155,6 @@ class SPCDevice : public SCSIHostDevice
 	bool Init() override;
 	void ResetHard() override;
 
-	void MonitorUpdate(TextScreen&) override;
-
 	// 接続中のデバイスを ID 順に並べたリストを返す (UI ステータスパネル用)
 	const std::vector<SCSIDevice*>& GetConnectedDevices() const {
 		return connected_devices;
@@ -183,6 +182,8 @@ class SPCDevice : public SCSIHostDevice
 	uint64 Peek(uint32 offset);
 
  private:
+	DECLARE_MONITOR_CALLBACK(MonitorUpdate);
+
 	void MonitorReg(TextScreen&,
 		int x, int y, uint32 reg, const char * const *names);
 
@@ -275,8 +276,10 @@ class SPCDevice : public SCSIHostDevice
 	std::vector<SCSIDevice*> connected_devices {};
 
 	// イベント
-	Event event {};
-	Event event_tc {};
+	Event event { this };
+	Event event_tc { this };
+
+	Monitor monitor { this };
 };
 
 extern std::unique_ptr<SPCDevice> gSPC;