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authorTristan Gingold2013-12-20 04:48:54 +0100
committerTristan Gingold2013-12-20 04:48:54 +0100
commit6c3f709174e8e4d5411f851cedb7d84c38d3b04a (patch)
treebd12c79c71a2ee65899a9ade9919ec2045addef8 /testsuite/vests/vhdl-ams/ashenden/compliant/digital-modeling/tb_rom.vhd
parentbd4aff0f670351c0652cf24e9b04361dc0e3a01c (diff)
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Import vests testsuite
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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
+
+architecture do_nothing of ROM is
+begin
+end architecture do_nothing;
+
+
+entity tb_rom is
+end entity tb_rom;
+
+
+architecture test of tb_rom is
+
+ signal address : natural := 0;
+ signal data : bit_vector(0 to 7);
+ signal enable : bit := '0';
+
+begin
+
+ dut : entity work.ROM(do_nothing)
+ port map ( address => address, data => data, enable => enable );
+
+ stimulus : process is
+ begin
+ wait for 100 ns;
+ address <= 1000; wait for 10 ns;
+ enable <= '1', '0' after 10 ns; wait for 90 ns;
+ address <= 1004; wait for 10 ns;
+ enable <= '1', '0' after 10 ns; wait for 90 ns;
+ address <= 1008; wait for 10 ns;
+ enable <= '1', '0' after 10 ns; wait for 90 ns;
+
+ wait;
+ end process stimulus;
+
+end architecture test;