--- nono/vm/sio.cpp	2026/04/29 17:04:32	1.1.1.3
+++ nono/vm/sio.cpp	2026/04/29 17:04:45	1.1.1.5
@@ -1,10 +1,11 @@
 //
 // nono
-// Copyright (C) 2018 isaki@NetBSD.org
+// Copyright (C) 2020 nono project
+// Licensed under nono-license.txt
 //
 
 #include "sio.h"
-#include "mpu.h"
+#include "interrupt.h"
 
 //          IODevice
 //              |
@@ -111,5 +112,5 @@ void
 SIODevice::Interrupt()
 {
 	putlog(2, "Interrupt");
-	gMPU->Interrupt(6);
+	gInterrupt->AssertINT(this);
 }