--- nono/host/netdriver.cpp	2026/04/29 17:04:33	1.1.1.3
+++ nono/host/netdriver.cpp	2026/04/29 17:04:37	1.1.1.4
@@ -20,7 +20,7 @@ NetDriver::NetDriver(const char *drivern
 	logname = "netdriver";
 	devname = "NetDriver";
 
-	monitor.Init(30, 7);
+	monitor_size = nnSize(30, 7);
 
 	fd = -1;
 	drivername = drivername_;
@@ -35,8 +35,8 @@ NetDriver::~NetDriver()
 }
 
 // モニタ
-bool
-NetDriver::MonitorUpdate()
+void
+NetDriver::MonitorUpdate(TextScreen& monitor)
 {
 	monitor.Clear();
 
@@ -47,7 +47,6 @@ NetDriver::MonitorUpdate()
 	monitor.Print(5, 4, "%9s %9s", "Packets", "Bytes");
 	monitor.Print(0, 5, "Send %9" PRIu64 " %9" PRIu64, tx_pkts, tx_bytes);
 	monitor.Print(0, 6, "Recv %9" PRIu64 " %9" PRIu64, rx_pkts, rx_bytes);
-	return true;
 }
 
 // スレッドが必要な継承クラスが呼ぶ