--- nono/vm/tvram.h	2026/04/29 17:05:10	1.1.1.8
+++ nono/vm/tvram.h	2026/04/29 17:05:17	1.1.1.9
@@ -12,6 +12,8 @@
 
 #include "planevram.h"
 
+class Renderer;
+
 class TVRAMDevice : public PlaneVRAMDevice
 {
 	using inherited = PlaneVRAMDevice;
@@ -41,6 +43,9 @@ class TVRAMDevice : public PlaneVRAMDevi
 	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;
+
+	void UpdateInfo(TextScreen&, int x, int y) const override;
 
 	void SetAccessPlane(uint16 data);
 	void SetAccessMask(uint16 data);
@@ -54,7 +59,14 @@ class TVRAMDevice : public PlaneVRAMDevi
 
 	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 {};
+
+	Renderer *renderer {};
 };
 
-#define gTVRAM	(dynamic_cast<TVRAMDevice *>(gPlaneVRAM))
+static inline TVRAMDevice *GetTVRAMDevice() {
+	return Object::GetObject<TVRAMDevice>(OBJ_PLANEVRAM);
+}