--- nono/vm/tvram.h	2026/04/29 17:05:10	1.1.1.8
+++ nono/vm/tvram.h	2026/04/29 17:05:33	1.1.1.12
@@ -12,14 +12,16 @@
 
 #include "planevram.h"
 
+class VideoCtlrDevice;
+
 class TVRAMDevice : public PlaneVRAMDevice
 {
 	using inherited = PlaneVRAMDevice;
 
-	static const int baseaddr = 0xe00000;
+	static const uint32 baseaddr = 0xe00000;
 
 	// プレーン数は4枚固定
-	static const int NPLANE = 4;
+	static const uint NPLANE = 4;
 
 	struct tvram {
 		bool sa;				// 同時アクセス
@@ -31,30 +33,39 @@ 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;
+	busdata Read(busaddr addr) override;
+	busdata Write(busaddr addr, uint32 data) override;
+	busdata Peek1(uint32 addr) override;
+	bool Poke1(uint32 addr, uint32 data) override;
+
+	void UpdateInfo(TextScreen&, int x, int y) const override;
 
 	void SetAccessPlane(uint16 data);
 	void SetAccessMask(uint16 data);
 	void SetScrollX(int x);
 	void SetScrollY(int y);
-	void RasterCopy(int src_ras, int dst_ras);
+	void RasterCopy(uint src_ras, uint dst_ras);
 
  private:
 	// アドレスデコーダ
-	uint64 Decoder(uint32 addr) const;
+	uint32 Decoder(uint32 addr) const;
 
+	void Set8(uint32 offset, uint32 poffset, uint32 data, uint32 mask);
+	void Set16(uint32 offset, uint32 poffset, uint32 data, uint32 mask);
 	inline void SetDirty(uint32 offset);
 
+	// X 方向にはみ出したときに対応する仮想画面の Y 座標を返す。
+	int GetWrapY(int y) const override;
+
 	struct tvram tvram {};
+
+	VideoCtlrDevice *videoctlr {};
 };
 
-#define gTVRAM	(dynamic_cast<TVRAMDevice *>(gPlaneVRAM))
+static inline TVRAMDevice *GetTVRAMDevice() {
+	return Object::GetObject<TVRAMDevice>(OBJ_PLANEVRAM);
+}