--- othello.old/draw.cpp
+++ othello/draw.cpp
@@ -136,18 +136,25 @@
     }
 }
 
+void handle_close (void)
+{
+    extern int exit_program;
+    exit_program = true;
+}
 
 // set a graphics mode and allocate the necessary bitmaps
 int Draw::init_graphics()
 {
-//    set_color_depth(16);
-    set_color_depth(32);
-    if (set_gfx_mode(GFX_AUTODETECT, 800, 600, 0, 0) < 0)
+    set_color_depth (24);
+
+    if (set_gfx_mode(GFX_AUTODETECT_WINDOWED, 800, 600, 0, 0) < 0)
     {
-	allegro_message("Could not set 800x600x24 graphics mode.\n");
-	return 0;
+    allegro_message ("Couldn't set 800x600x24 graphics mode.\n");
+    return 0;
     }
 
+    set_close_button_callback (handle_close);
+
     // show the mouse
     show_mouse(screen);