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+
+-- Copyright (C) 2002 Morgan Kaufmann Publishers, Inc
+
+-- This file is part of VESTs (Vhdl tESTs).
+
+-- VESTs 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.
+
+-- VESTs 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 VESTs; if not, write to the Free Software Foundation,
+-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+library ieee; use ieee.std_logic_1164.all;
+
+entity tb_ROM_write_data is
+end entity tb_ROM_write_data;
+
+
+architecture writer of tb_ROM_write_data is
+begin
+
+ process is
+
+ subtype word is std_logic_vector(0 to 7);
+ type load_file_type is file of word;
+ file load_file : load_file_type open write_mode is "tb_ROM.dat";
+
+ begin
+ write(load_file, word'(X"00"));
+ write(load_file, word'(X"01"));
+ write(load_file, word'(X"02"));
+ write(load_file, word'(X"03"));
+ write(load_file, word'(X"04"));
+ write(load_file, word'(X"05"));
+ write(load_file, word'(X"06"));
+ write(load_file, word'(X"07"));
+ write(load_file, word'(X"08"));
+ write(load_file, word'(X"09"));
+ write(load_file, word'(X"0A"));
+ write(load_file, word'(X"0B"));
+ write(load_file, word'(X"0C"));
+ write(load_file, word'(X"0D"));
+ write(load_file, word'(X"0E"));
+ write(load_file, word'(X"0F"));
+
+ wait;
+ end process;
+
+end architecture writer;
+
+
+
+library ieee; use ieee.std_logic_1164.all;
+
+entity tb_ROM is
+end entity tb_ROM;
+
+
+architecture test of tb_ROM is
+
+ signal sel : std_logic;
+ signal address : std_logic_vector(3 downto 0);
+ signal data : std_logic_vector(0 to 7);
+
+begin
+
+ dut : entity work.ROM(behavioral)
+ generic map ( load_file_name => "tb_ROM.dat" )
+ port map ( sel, address, data );
+
+end architecture test;