--- bogl-0.1.18/bogl-term.c.term	2003-11-05 05:38:22.000000000 +0100
+++ bogl-0.1.18/bogl-term.c	2006-11-05 21:34:54.000000000 +0100
@@ -24,6 +24,9 @@
  * described by the terminfo source in "bterm.ti".
  */
 
+#include <string.h>
+#include <unistd.h>
+
 #include "bogl.h"
 #include "bogl-term.h"
 
@@ -353,6 +356,21 @@
         if (wc == 0)            /* 0 has a special meaning in term->screen[] */
             continue;
 
+        if (wc == 7) {          /* bell=^G: flash screen by XORing it twice */
+            for (i = 0; i < term->xsize * term->ysize; i++) {
+                term->screenfg[i] = term->screenfg[i] ^ 0x7;
+                term->screenbg[i] = term->screenbg[i] ^ 0x7;
+            }
+            bogl_term_redraw(term);
+            usleep(100000); // pause 1/10th of a second
+            for (i = 0; i < term->xsize * term->ysize; i++) {
+                term->screenfg[i] = term->screenfg[i] ^ 0x7;
+                term->screenbg[i] = term->screenbg[i] ^ 0x7;
+            }
+            bogl_term_redraw(term);
+            continue;
+        }
+
         if (wc == 8)
         {                       /* cub1=^H */
             if (term->xpos)