--- nono/vm/fdc.h	2026/04/29 17:04:35	1.1.1.2
+++ nono/vm/fdc.h	2026/04/29 17:04:41	1.1.1.3
@@ -133,7 +133,7 @@ class FDCDevice
 	struct FDC fdc {};
 	struct FDD fdd[4] {};
 
-	void Callback(int);
+	void Callback(Event& ev);
 
 	void Interrupt();