+------------------------------------------------------------------------------
+-- Copyright (C) 2011, Kenichi Kurimoto
+--
+-- This program is free software; you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation; either version 2 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program; if not, write to the Free Software
+-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+-----------------------------------------------------------------------------
+-- Entity: huff
+-- File: huff.vhd
+-- Author: Kenichi Kurimoto
+-- Description: AMBA slave interface and huffman decoder for jpeg decode
+------------------------------------------------------------------------------
+
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;