From 5410ebd1f6a44c60220ca630ff34520252930f93 Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Mon, 21 Jun 2010 02:08:48 +0200
Subject: [PATCH] Don't read outside of VGA screen

---
 term/i386/pc/vga_text.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/term/i386/pc/vga_text.c b/term/i386/pc/vga_text.c
index bfa934a40..717a7576e 100644
--- a/term/i386/pc/vga_text.c
+++ b/term/i386/pc/vga_text.c
@@ -58,9 +58,11 @@ inc_y (void)
   else
     {
       int x, y;
-      for (y = 0; y < ROWS; y++)
+      for (y = 0; y < ROWS - 1; y++)
         for (x = 0; x < COLS; x++)
           screen_write_char (x, y, screen_read_char (x, y + 1));
+      for (x = 0; x < COLS; x++)
+	screen_write_char (x, ROWS - 1, ' ' | (grub_console_cur_color << 8));
     }
 }