#include <stdint.h>
#include <stddef.h>
#include <string.h>
+#include "devices/speaker.h"
#include "threads/io.h"
#include "threads/interrupt.h"
#include "threads/vaddr.h"
if (cx >= COL_CNT)
newline ();
break;
+
+ case '\a':
+ intr_set_level (old_level);
+ speaker_beep ();
+ intr_disable ();
+ break;
default:
fb[cy][cx][0] = c;