--- Net2/arch/i386/stand/prf.c	2018/04/24 18:04:01	1.1
+++ Net2/arch/i386/stand/prf.c	2018/04/24 18:05:15	1.1.1.2
@@ -47,4 +47,9 @@ char c;
 	return(0);
 }
 
-wait(n) { while(n--) ; }
+wait(n) {
+	int v;
+
+	while(n-- && (v = scankbd()) == 0);
+	if (v) kbdreset();
+}