--- nono/vm/mpu64180.h	2026/04/29 17:05:29	1.1.1.3
+++ nono/vm/mpu64180.h	2026/04/29 17:05:33	1.1.1.4
@@ -81,13 +81,6 @@ class MPU64180Device : public MPUDevice,
 	bool GetIEF1() const	{ return ief1; }
 	bool GetIEF2() const	{ return ief2; }
 
-	// CPU からの論理メモリアクセス
-	// (MSXDOSDevice からも呼ぶので public にしてある)
-	uint32 Read1(uint32 addr);
-	uint32 Write1(uint32 addr, uint32 data);
-	uint32 Read2(uint32 addr);
-	void Write2(uint32 addr, uint32 data);
-
 	// アドレス変換 (デバッガ用)
 	uint32 TranslatePeek(uint32) const;
 
@@ -119,8 +112,14 @@ class MPU64180Device : public MPUDevice,
 	uint32 GetWW(uint) const;
 	void SetWW(uint, uint32);
 
+	// CPU からの論理メモリアクセス
 	uint32 Fetch1();
 	uint32 Fetch2();
+	uint32 Read1(uint32 addr);
+	uint32 Write1(uint32 addr, uint32 data);
+	uint32 Read2(uint32 addr);
+	void Write2(uint32 addr, uint32 data);
+
 	void Jump(uint16);
 	void op_illegal(int pos);
 
@@ -302,9 +301,9 @@ class MPU64180Device : public MPUDevice,
 	DECLARE_MONITOR_CALLBACK(MonitorUpdateReg);
 	DECLARE_MONITOR_CALLBACK(MonitorUpdateIO);
 	DECLARE_MONITOR_CALLBACK(MonitorUpdateIntr);
-	Monitor reg_monitor { this };
-	Monitor io_monitor { this };
-	Monitor intr_monitor { this };
+	Monitor *reg_monitor {};
+	Monitor *io_monitor {};
+	Monitor *intr_monitor {};
 
 	// 実行コールバック
 	EventCallback_t exec_func {};