--- nono/vm/opm.h	2026/04/29 17:04:45	1.1.1.1
+++ nono/vm/opm.h	2026/04/29 17:04:50	1.1.1.2
@@ -22,9 +22,9 @@ class OPMDevice
  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);
 };
 
 extern std::unique_ptr<OPMDevice> gOPM;