--- nono/vm/x68kio.cpp	2026/04/29 17:05:28	1.1.1.4
+++ nono/vm/x68kio.cpp	2026/04/29 17:05:32	1.1.1.5
@@ -38,6 +38,7 @@
 #include "mainbus.h"
 #include "mainram.h"
 #include "mfp.h"
+#include "monitor.h"
 #include "mpu.h"
 #include "nereid.h"
 #include "opm.h"
@@ -62,15 +63,15 @@
 X68kIODevice::X68kIODevice()
 	: inherited(OBJ_X68KIO)
 {
-	monitor.func = ToMonitorCallback(&X68kIODevice::MonitorUpdate);
-	monitor.SetSize(73, 1 + 32);
-	monitor.SetMaxHeight(1 + 256);
-	monitor.Regist(ID_SUBWIN_X68KIO);
+	map_monitor = gMonitorManager->Regist(ID_SUBWIN_X68KIO, this);
+	map_monitor->func = ToMonitorCallback(&X68kIODevice::MonitorUpdate);
+	map_monitor->SetSize(73, 1 + 32);
+	map_monitor->SetMaxHeight(1 + 256);
 
 	// エリアセットは実質ここが担当しているので、モニタもここ。
-	monitor_area.func = ToMonitorCallback(&X68kIODevice::MonitorUpdateAreaset);
-	monitor_area.SetSize(32, 6);
-	monitor_area.Regist(ID_MONITOR_AREASET);
+	area_monitor = gMonitorManager->Regist(ID_MONITOR_AREASET, this);
+	area_monitor->func = ToMonitorCallback(&X68kIODevice::MonitorUpdateAreaset);
+	area_monitor->SetSize(32, 6);
 
 	cut_fc2 = (gConfig->Find("x68k-cut-fc2").AsInt() != 0);