--- nono/vm/fuserom.cpp	2026/04/29 17:05:20	1.1.1.8
+++ nono/vm/fuserom.cpp	2026/04/29 17:05:24	1.1.1.9
@@ -81,20 +81,20 @@ FuseROMDevice::Init()
 	return true;
 }
 
-uint64
+busdata
 FuseROMDevice::Read(uint32 offset)
 {
 	return Peek(offset);
 }
 
-uint64
+busdata
 FuseROMDevice::Write(uint32 offset, uint32 data)
 {
 	return 0;
 }
 
 // Read() からも呼ばれる
-uint64
+busdata
 FuseROMDevice::Peek(uint32 offset)
 {
 	uint8 data;