diff options
Diffstat (limited to 'testsuite/vests/vhdl-ams/ashenden/compliant/files-and-IO/tb_ROM.vhd')
-rw-r--r-- | testsuite/vests/vhdl-ams/ashenden/compliant/files-and-IO/tb_ROM.vhd | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-ams/ashenden/compliant/files-and-IO/tb_ROM.vhd b/testsuite/vests/vhdl-ams/ashenden/compliant/files-and-IO/tb_ROM.vhd new file mode 100644 index 0000000..7aece5f --- /dev/null +++ b/testsuite/vests/vhdl-ams/ashenden/compliant/files-and-IO/tb_ROM.vhd @@ -0,0 +1,78 @@ + +-- 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; |