--- nono/vm/areaset.cpp	2026/04/29 17:04:28	1.1
+++ nono/vm/areaset.cpp	2026/04/29 17:04:49	1.1.1.4
@@ -1,9 +1,13 @@
 //
 // nono
-// Copyright (C) 2017 isaki@NetBSD.org
+// Copyright (C) 2020 nono project
+// Licensed under nono-license.txt
 //
 
 #include "areaset.h"
+#include "mpu.h"
+
+std::unique_ptr<AreaSetDevice> gAreaSet;
 
 AreaSetDevice::AreaSetDevice()
 {
@@ -17,6 +21,12 @@ AreaSetDevice::~AreaSetDevice()
 {
 }
 
+void
+AreaSetDevice::ResetHard()
+{
+	limit = 0;
+}
+
 uint64
 AreaSetDevice::Read8(uint32 addr)
 {
@@ -36,6 +46,8 @@ AreaSetDevice::Read16(uint32 addr)
 uint64
 AreaSetDevice::Write8(uint32 addr, uint32 data)
 {
+	gMPU->AddCycle(7);	// InsideOut p.135
+
 	switch (addr) {
 	 case 0xe86001:
 		putlog(0, "未実装エリアセット書き込み $%02x", data);