--- madtty.c.orig 2008-02-14 16:55:42.000000000 +0100 +++ madtty.c 2008-02-14 17:04:12.000000000 +0100 @@ -663,9 +663,13 @@ new_escape_sequence(t); break; - case C0_BEL: - /* do nothing for now... maybe a visual bell would be nice? */ - break; + case C0_BEL: /* bell */ + /* + * If possible play our dear speaker or flash the screen + * (otherwise do nothing). + */ + (void)beep(); + break; case C0_BS: if (t->curs_col > 0)