--- nono/vm/sysctlr.cpp	2026/04/29 17:04:36	1.1.1.1
+++ nono/vm/sysctlr.cpp	2026/04/29 17:04:39	1.1.1.2
@@ -155,7 +155,7 @@ SysCtlrDevice::SysCtlrDevice()
 	logname = "sysctlr";
 	devname = "SysCtlr";
 
-	monitor.Init(60, 5);
+	monitor_size = nnSize(60, 5);
 }
 
 // デストラクタ
@@ -271,14 +271,12 @@ SysCtlrDevice::Peek8(uint32 addr)
 	__unreachable();
 }
 
-bool
-SysCtlrDevice::MonitorUpdate()
+void
+SysCtlrDevice::MonitorUpdate(TextScreen& monitor)
 {
 	monitor.Clear();
 	monitor.Puts(6, 0, "IntrEnable     SWIntr");
 	for (int i = 0; i < countof(intmask); i++) {
 		monitor.Print(0, i + 1, "CPU#%d  $%02x", i, intmask[i]);
 	}
-
-	return true;
 }