--- nono/vm/crtc2.h	2026/04/29 17:04:44	1.1.1.5
+++ nono/vm/crtc2.h	2026/04/29 17:04:50	1.1.1.6
@@ -22,9 +22,9 @@ class CRTC2Device
  protected:
 	// BusIO インタフェース
 	static const uint32 NPORT = 2;
-	uint64 Read(uint32 addr);
-	uint64 Write(uint32 addr, uint32 data);
-	uint64 Peek(uint32 addr);
+	uint64 Read(uint32 offset);
+	uint64 Write(uint32 offset, uint32 data);
+	uint64 Peek(uint32 offset);
 
  private:
 	// 垂直表示期間イベント
@@ -38,3 +38,5 @@ class CRTC2Device
 
 	Event vdisp_event {};
 };
+
+extern std::unique_ptr<CRTC2Device> gCRTC2;