--- nono/vm/sio.cpp	2026/04/29 17:05:32	1.1.1.14
+++ nono/vm/sio.cpp	2026/04/29 17:05:45	1.1.1.16
@@ -73,6 +73,8 @@ SIODevice::Init()
 		return false;
 	}
 
+	hostcom->SetPortName("SIO Ch.A");
+
 	keyboard = GetKeyboard();
 
 	return true;
@@ -803,7 +805,6 @@ SIODevice::GetHighestInt() const
 		if ((mpscc.chan[1].intpend & INTPEND_TX)) return MPSCC::VS_TxB;
 		if ((mpscc.chan[0].intpend & INTPEND_ES)) return MPSCC::VS_ESA;
 		if ((mpscc.chan[1].intpend & INTPEND_ES)) return MPSCC::VS_ESB;
-
 	} else {
 		if ((mpscc.chan[0].intpend & INTPEND_SP)) return MPSCC::VS_SPA;
 		if ((mpscc.chan[0].intpend & INTPEND_RX)) return MPSCC::VS_RxA;