--- nono/vm/mainbus_x68k.h	2026/04/29 17:05:29	1.1.1.2
+++ nono/vm/mainbus_x68k.h	2026/04/29 17:06:00	1.1.1.5
@@ -26,7 +26,6 @@ class X68kMainbus final : public Mainbus
 	bool Init() override;
 	bool InitMainbus() override;
 	void ResetByMPU() override;
-	void ResetHard(bool poweron) override;
 
 	busdata Read(busaddr addr) override;
 	busdata Write(busaddr addr, uint32 data) override;
@@ -34,8 +33,8 @@ class X68kMainbus final : public Mainbus
 	bool Poke1(uint32 addr, uint32 data) override;
 
  private:
-	DECLARE_MONITOR_CALLBACK(MonitorUpdate);
-	DECLARE_MONITOR_CALLBACK(MonitorUpdateAccStat);
+	DECLARE_MONITOR_SCREEN(MonitorScreen);
+	DECLARE_MONITOR_SCREEN(MonitorScreenAccStat);
 
 	inline bool IsIntio(uint32) const;
 
@@ -49,7 +48,7 @@ class X68kMainbus final : public Mainbus
 
 	std::array<bool, 256> is_intio {};
 
-	Monitor monitor { this };
+	Monitor *monitor {};
 
 	std::array<BankRAMDevice*, 2> bankram /*{}*/;
 };