--- nono/vm/mpu.h	2026/04/29 17:05:13	1.1.1.12
+++ nono/vm/mpu.h	2026/04/29 17:05:16	1.1.1.13
@@ -5,7 +5,7 @@
 //
 
 //
-// MPU 共通部
+// メイン MPU (680x0/88xx0) 共通部
 //
 
 #pragma once
@@ -14,11 +14,15 @@
 #include "event.h"
 #include "message.h"
 
+class Debugger;
+class MainbusDevice;
+class Syncer;
+
 class MPUDevice : public Device
 {
 	using inherited = Device;
  public:
-	MPUDevice(const std::string& objname_);
+	MPUDevice();
 	virtual ~MPUDevice() override;
 
 	bool Init() override;
@@ -68,6 +72,10 @@ class MPUDevice : public Device
 
 	bool resetting {};		// リセット処理中フラグ
 
+	Debugger *debugger {};
+	MainbusDevice *mainbus {};
+	Syncer *syncer {};
+
 	// 1命令実行イベント
 	Event exec_event { this };
 
@@ -75,4 +83,9 @@ class MPUDevice : public Device
 	static const char * const rmstr[4];
 };
 
+// XXX 互換性のためまだしばらく必要
 extern MPUDevice *gMPU;
+
+static inline MPUDevice *GetMPUDevice() {
+	return Object::GetObject<MPUDevice>(OBJ_MPU);
+}