--- nono/vm/upd7201.h	2026/04/29 17:04:50	1.1.1.6
+++ nono/vm/upd7201.h	2026/04/29 17:04:56	1.1.1.7
@@ -7,6 +7,7 @@
 #pragma once
 
 #include "device.h"
+#include "monitor.h"
 
 // uPD7201/Z8530 のレジスタ
 //
@@ -262,16 +263,14 @@ struct SIO
 	} chan[2];
 };
 
-class uPD7201Device
-	: public IODevice
+class uPD7201Device : public IODevice
 {
 	using inherited = IODevice;
  public:
-	uPD7201Device();
+	uPD7201Device(const std::string& objname_);
 	virtual ~uPD7201Device() override;
 
 	void ResetHard() override;
-	void MonitorUpdate(TextScreen&) override;
 
 	// 受信
 	bool Rx(int ch, uint32 data);
@@ -293,6 +292,8 @@ class uPD7201Device
 
 	struct SIO cr {};
 
+	Monitor monitor { this };
+
 	static const int bits_per_char[4];
 
  private:
@@ -307,6 +308,7 @@ class uPD7201Device
 
 	void ChangeInterrupt();
 
+	DECLARE_MONITOR_CALLBACK(MonitorUpdate);
 	void MonitorUpdateCh(TextScreen&, int ch, int xbase, int ybase);
 	void MonitorReg(TextScreen&,
 		int, int, uint32 reg, const char * const *names);