--- nono/vm/tvram.h	2026/04/29 17:05:17	1.1.1.9
+++ nono/vm/tvram.h	2026/04/29 17:05:24	1.1.1.10
@@ -33,17 +33,16 @@ class TVRAMDevice : public PlaneVRAMDevi
 
  public:
 	TVRAMDevice();
-	virtual ~TVRAMDevice() override;
+	~TVRAMDevice() override;
 
 	bool Init() override;
-	void ResetHard(bool poweron) override;
 
-	uint64 Read8(uint32 addr) override;
-	uint64 Read16(uint32 addr) override;
-	uint64 Write8(uint32 addr, uint32 data) override;
-	uint64 Write16(uint32 addr, uint32 data) override;
-	uint64 Peek8(uint32 addr) override;
-	uint64 Poke8(uint32 addr, uint32 data) override;
+	busdata Read8(uint32 addr) override;
+	busdata Read16(uint32 addr) override;
+	busdata Write8(uint32 addr, uint32 data) override;
+	busdata Write16(uint32 addr, uint32 data) override;
+	busdata Peek8(uint32 addr) override;
+	bool Poke8(uint32 addr, uint32 data) override;
 
 	void UpdateInfo(TextScreen&, int x, int y) const override;
 
@@ -55,7 +54,7 @@ class TVRAMDevice : public PlaneVRAMDevi
 
  private:
 	// アドレスデコーダ
-	uint64 Decoder(uint32 addr) const;
+	uint32 Decoder(uint32 addr) const;
 
 	inline void SetDirty(uint32 offset);