--- nono/vm/fuserom.h	2026/04/29 17:05:25	1.1.1.8
+++ nono/vm/fuserom.h	2026/04/29 17:05:29	1.1.1.9
@@ -11,6 +11,7 @@
 #pragma once
 
 #include "device.h"
+#include <array>
 
 class FuseROMDevice : public IODevice
 {
@@ -27,13 +28,16 @@ class FuseROMDevice : public IODevice
  protected:
 	// BusIO インタフェース
 	static const uint32 NPORT = SRCBYTES * 2;	// XXX 未調査
-	busdata Read(uint32 offset);
-	busdata Write(uint32 offset, uint32 data);
-	busdata Peek(uint32 offset);
+	busdata ReadPort(uint32 offset);
+	busdata WritePort(uint32 offset, uint32 data);
+	busdata PeekPort(uint32 offset);
+	bool PokePort(uint32 offset, uint32 data);
 
  private:
+	uint8 GetByte(uint32 offset) const;
+
 	// バイトデータで保持しておく
-	uint8 src[SRCBYTES] {};
+	std::array<uint8, SRCBYTES> src {};
 };
 
 static inline FuseROMDevice *GetFuseROMDevice() {