--- nono/vm/device.cpp	2026/04/29 17:04:28	1.1.1.1
+++ nono/vm/device.cpp	2026/04/29 17:04:35	1.1.1.3
@@ -1,6 +1,7 @@
 //
 // nono
-// Copyright (C) 2017 isaki@NetBSD.org
+// Copyright (C) 2020 nono project
+// Licensed under nono-license.txt
 //
 
 #include "device.h"
@@ -112,7 +113,7 @@ IODevice::Write16(uint32 addr, uint32 da
 {
 	int64 berr;
 
-	berr = Write8(addr, data >> 8) ;
+	berr = Write8(addr, data >> 8);
 	if (berr < 0)
 		return berr;
 	berr = Write8(addr + 1, data & 0xff);
@@ -138,7 +139,7 @@ IODevice::Write32(uint32 addr, uint32 da
 uint64
 IODevice::Peek8(uint32 addr)
 {
-	return 0;
+	return 0xff;
 }