--- nono/vm/vm_luna.h	2026/04/29 17:04:50	1.1.1.5
+++ nono/vm/vm_luna.h	2026/04/29 17:04:59	1.1.1.8
@@ -21,10 +21,13 @@ class VM_LUNA : public VM
 	void PowerButton() override;
 
  protected:
+	// ブートページを切り替える。
+	void SwitchBootPage(Device *parent, bool isrom) override;
+
 	// デバイスマップから devtable を作成
 	void MakeDevtable(const uint8 *maptable);
 
-	std::unique_ptr<IODevice> prom {};
+	IODevice *ram0 {};
 };
 
 class VM_LUNA1 final : public VM_LUNA
@@ -32,7 +35,7 @@ class VM_LUNA1 final : public VM_LUNA
 	using inherited = VM_LUNA;
  public:
 	VM_LUNA1();
-	virtual ~VM_LUNA1() override;
+	~VM_LUNA1() override;
 
  private:
 	static const uint8 maptable[256];
@@ -43,7 +46,7 @@ class VM_LUNA88K final : public VM_LUNA
 	using inherited = VM_LUNA;
  public:
 	VM_LUNA88K();
-	virtual ~VM_LUNA88K() override;
+	~VM_LUNA88K() override;
 
  private:
 	static const uint8 maptable[256];