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Diffstat (limited to 'testsuite/vests/vhdl-ams/ashenden/compliant/digital-modeling/tb_counter.vhd')
-rw-r--r-- | testsuite/vests/vhdl-ams/ashenden/compliant/digital-modeling/tb_counter.vhd | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-ams/ashenden/compliant/digital-modeling/tb_counter.vhd b/testsuite/vests/vhdl-ams/ashenden/compliant/digital-modeling/tb_counter.vhd new file mode 100644 index 0000000..31fb9c0 --- /dev/null +++ b/testsuite/vests/vhdl-ams/ashenden/compliant/digital-modeling/tb_counter.vhd @@ -0,0 +1,42 @@ + +-- 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 + +entity tb_counter is +end entity tb_counter; + + +use work.counter_types.all; + +architecture test of tb_counter is + + signal clk, clr : bit := '0'; + signal q0, q1 : digit; + +begin + + dut : entity work.counter(registered) + port map ( clk => clk, clr => clr, + q0 => q0, q1 => q1 ); + + clk_gen : clk <= not clk after 20 ns; + + clr_gen : clr <= '1' after 95 ns, + '0' after 135 ns; + +end architecture test; |