408 lines
24 KiB
VHDL
408 lines
24 KiB
VHDL
-- (C) Copyright Collin J. Doering 2015
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--
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-- This program is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation, either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program. If not, see <http://www.gnu.org/licenses/>.
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-- File: ram512_tb.vhdl
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-- Author: Collin J. Doering <collin.doering@rekahsoft.ca>
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-- Date: May 22, 2015
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library IEEE;
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use IEEE.std_logic_1164.all;
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-- A testbench has no ports.
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entity ram512_tb is
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end ram512_tb;
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architecture ram512_tb_arch of ram512_tb is
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-- Declaration of the component that will be instantiated.
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component ram512
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port (d : in std_logic_vector(15 downto 0);
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load : in std_logic;
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address : in std_logic_vector(8 downto 0);
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clk : in std_logic;
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cout : out std_logic_vector(15 downto 0));
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end component;
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-- Declaration of the clock
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component Clock
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port (finish : in std_logic;
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cout : out std_logic);
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end component;
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-- Specifies which entity is bound with the component.
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for ram512_0: ram512 use entity work.ram512;
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-- Signals
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signal d, cout : std_logic_vector(15 downto 0);
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signal address : std_logic_vector(8 downto 0);
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signal load, finish, clk : std_logic;
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begin
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-- Component instantiation.
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OSC_CLK: Clock port map (finish, clk);
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ram512_0: ram512 port map (d, load, address, clk, cout);
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-- This process does the real job.
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process
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type pattern_type is record
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-- The inputs of the ram512.
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d : std_logic_vector(15 downto 0);
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load : std_logic;
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address : std_logic_vector(8 downto 0);
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-- The output of the ram512.
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cout : std_logic_vector(15 downto 0);
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end record;
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-- The patterns to apply.
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type pattern_array is array (natural range <>) of pattern_type;
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constant patterns : pattern_array :=
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(("0000000000000000", '0', "000000000", "0000000000000000"),
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("0000000000000000", '0', "000000000", "0000000000000000"),
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("0000000000000000", '1', "000000000", "0000000000000000"),
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("0000000000000000", '1', "000000000", "0000000000000000"),
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("0011001100101011", '0', "000000000", "0000000000000000"),
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("0011001100101011", '0', "000000000", "0000000000000000"),
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("0011001100101011", '1', "010000010", "0000000000000000"),
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("0011001100101011", '1', "010000010", "0011001100101011"),
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("0011001100101011", '0', "000000000", "0000000000000000"),
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("0011001100101011", '0', "000000000", "0000000000000000"),
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("0001001001111001", '0', "111011000", "0000000000000000"),
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("0001001001111001", '0', "111011000", "0000000000000000"),
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("0001001001111001", '1', "111011000", "0000000000000000"),
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("0001001001111001", '1', "111011000", "0001001001111001"),
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("0001001001111001", '0', "111011000", "0001001001111001"),
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("0001001001111001", '0', "111011000", "0001001001111001"),
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("0001001001111001", '0', "010000010", "0011001100101011"),
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("0001001111111111", '0', "010000010", "0011001100101011"),
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("0001001111111111", '0', "010000010", "0011001100101011"),
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("0001001111111111", '1', "111111111", "0000000000000000"),
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("0001001111111111", '1', "111111111", "0001001111111111"),
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("0001001111111111", '0', "111111111", "0001001111111111"),
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("0001001111111111", '0', "111111111", "0001001111111111"),
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("0001001111111111", '0', "111011000", "0001001001111001"),
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("0001001111111111", '0', "111111111", "0001001111111111"),
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("0001001111111111", '0', "010101000", "0000000000000000"),
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("0001001111111111", '0', "010101000", "0000000000000000"),
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("0001001111111111", '0', "010101001", "0000000000000000"),
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("0001001111111111", '0', "010101010", "0000000000000000"),
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("0001001111111111", '0', "010101011", "0000000000000000"),
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("0001001111111111", '0', "010101100", "0000000000000000"),
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("0001001111111111", '0', "010101101", "0000000000000000"),
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("0001001111111111", '0', "010101110", "0000000000000000"),
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("0001001111111111", '0', "010101111", "0000000000000000"),
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("0101010101010101", '1', "010101000", "0000000000000000"),
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("0101010101010101", '1', "010101000", "0101010101010101"),
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("0101010101010101", '1', "010101001", "0000000000000000"),
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("0101010101010101", '1', "010101001", "0101010101010101"),
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("0101010101010101", '1', "010101010", "0000000000000000"),
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("0101010101010101", '1', "010101010", "0101010101010101"),
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("0101010101010101", '1', "010101011", "0000000000000000"),
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("0101010101010101", '1', "010101011", "0101010101010101"),
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("0101010101010101", '1', "010101100", "0000000000000000"),
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("0101010101010101", '1', "010101100", "0101010101010101"),
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("0101010101010101", '1', "010101101", "0000000000000000"),
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("0101010101010101", '1', "010101101", "0101010101010101"),
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("0101010101010101", '1', "010101110", "0000000000000000"),
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("0101010101010101", '1', "010101110", "0101010101010101"),
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("0101010101010101", '1', "010101111", "0000000000000000"),
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("0101010101010101", '1', "010101111", "0101010101010101"),
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("0101010101010101", '0', "010101000", "0101010101010101"),
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("0101010101010101", '0', "010101000", "0101010101010101"),
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("0101010101010101", '0', "010101001", "0101010101010101"),
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("0101010101010101", '0', "010101010", "0101010101010101"),
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("0101010101010101", '0', "010101011", "0101010101010101"),
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("0101010101010101", '0', "010101100", "0101010101010101"),
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("0101010101010101", '0', "010101101", "0101010101010101"),
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("0101010101010101", '0', "010101110", "0101010101010101"),
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("0101010101010101", '0', "010101111", "0101010101010101"),
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("0101010101010110", '1', "010101000", "0101010101010101"),
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("0101010101010110", '1', "010101000", "0101010101010110"),
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("0101010101010110", '0', "010101000", "0101010101010110"),
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("0101010101010110", '0', "010101000", "0101010101010110"),
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("0101010101010110", '0', "010101001", "0101010101010101"),
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("0101010101010110", '0', "010101010", "0101010101010101"),
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("0101010101010110", '0', "010101011", "0101010101010101"),
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("0101010101010110", '0', "010101100", "0101010101010101"),
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("0101010101010110", '0', "010101101", "0101010101010101"),
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("0101010101010110", '0', "010101110", "0101010101010101"),
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("0101010101010110", '0', "010101111", "0101010101010101"),
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("0101010101010101", '1', "010101000", "0101010101010110"),
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("0101010101010101", '1', "010101000", "0101010101010101"),
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("0101010101010110", '1', "010101001", "0101010101010101"),
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("0101010101010110", '1', "010101001", "0101010101010110"),
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("0101010101010110", '0', "010101000", "0101010101010101"),
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("0101010101010110", '0', "010101000", "0101010101010101"),
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("0101010101010110", '0', "010101001", "0101010101010110"),
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("0101010101010110", '0', "010101010", "0101010101010101"),
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("0101010101010110", '0', "010101011", "0101010101010101"),
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("0101010101010110", '0', "010101100", "0101010101010101"),
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("0101010101010110", '0', "010101101", "0101010101010101"),
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("0101010101010110", '0', "010101110", "0101010101010101"),
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("0101010101010110", '0', "010101111", "0101010101010101"),
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("0101010101010101", '1', "010101001", "0101010101010110"),
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("0101010101010101", '1', "010101001", "0101010101010101"),
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("0101010101010110", '1', "010101010", "0101010101010101"),
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("0101010101010110", '1', "010101010", "0101010101010110"),
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("0101010101010110", '0', "010101000", "0101010101010101"),
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("0101010101010110", '0', "010101000", "0101010101010101"),
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("0101010101010110", '0', "010101001", "0101010101010101"),
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("0101010101010110", '0', "010101010", "0101010101010110"),
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("0101010101010110", '0', "010101011", "0101010101010101"),
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("0101010101010110", '0', "010101100", "0101010101010101"),
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("0101010101010110", '0', "010101101", "0101010101010101"),
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("0101010101010110", '0', "010101110", "0101010101010101"),
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("0101010101010110", '0', "010101111", "0101010101010101"),
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("0101010101010101", '1', "010101010", "0101010101010110"),
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("0101010101010101", '1', "010101010", "0101010101010101"),
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("0101010101010110", '1', "010101011", "0101010101010101"),
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("0101010101010110", '1', "010101011", "0101010101010110"),
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("0101010101010110", '0', "010101000", "0101010101010101"),
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("0101010101010110", '0', "010101000", "0101010101010101"),
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("0101010101010110", '0', "010101001", "0101010101010101"),
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("0101010101010110", '0', "010101010", "0101010101010101"),
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("0101010101010110", '0', "010101011", "0101010101010110"),
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("0101010101010110", '0', "010101100", "0101010101010101"),
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("0101010101010110", '0', "010101101", "0101010101010101"),
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("0101010101010110", '0', "010101110", "0101010101010101"),
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("0101010101010110", '0', "010101111", "0101010101010101"),
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("0101010101010101", '1', "010101011", "0101010101010110"),
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("0101010101010101", '1', "010101011", "0101010101010101"),
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("0101010101010110", '1', "010101100", "0101010101010101"),
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("0101010101010110", '1', "010101100", "0101010101010110"),
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("0101010101010110", '0', "010101000", "0101010101010101"),
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("0101010101010110", '0', "010101000", "0101010101010101"),
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("0101010101010110", '0', "010101001", "0101010101010101"),
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("0101010101010110", '0', "010101010", "0101010101010101"),
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("0101010101010110", '0', "010101011", "0101010101010101"),
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("0101010101010110", '0', "010101100", "0101010101010110"),
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("0101010101010110", '0', "010101101", "0101010101010101"),
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("0101010101010110", '0', "010101110", "0101010101010101"),
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("0101010101010110", '0', "010101111", "0101010101010101"),
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("0101010101010101", '1', "010101100", "0101010101010110"),
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("0101010101010101", '1', "010101100", "0101010101010101"),
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("0101010101010110", '1', "010101101", "0101010101010101"),
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("0101010101010110", '1', "010101101", "0101010101010110"),
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("0101010101010110", '0', "010101000", "0101010101010101"),
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("0101010101010110", '0', "010101000", "0101010101010101"),
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("0101010101010110", '0', "010101001", "0101010101010101"),
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("0101010101010110", '0', "010101010", "0101010101010101"),
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("0101010101010110", '0', "010101011", "0101010101010101"),
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("0101010101010110", '0', "010101100", "0101010101010101"),
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("0101010101010110", '0', "010101101", "0101010101010110"),
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("0101010101010110", '0', "010101110", "0101010101010101"),
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("0101010101010110", '0', "010101111", "0101010101010101"),
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("0101010101010101", '1', "010101101", "0101010101010110"),
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("0101010101010101", '1', "010101101", "0101010101010101"),
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("0101010101010110", '1', "010101110", "0101010101010101"),
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("0101010101010110", '1', "010101110", "0101010101010110"),
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("0101010101010110", '0', "010101000", "0101010101010101"),
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("0101010101010110", '0', "010101000", "0101010101010101"),
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("0101010101010110", '0', "010101001", "0101010101010101"),
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("0101010101010110", '0', "010101010", "0101010101010101"),
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("0101010101010110", '0', "010101011", "0101010101010101"),
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("0101010101010110", '0', "010101100", "0101010101010101"),
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("0101010101010110", '0', "010101101", "0101010101010101"),
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("0101010101010110", '0', "010101110", "0101010101010110"),
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("0101010101010110", '0', "010101111", "0101010101010101"),
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("0101010101010101", '1', "010101110", "0101010101010110"),
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("0101010101010101", '1', "010101110", "0101010101010101"),
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("0101010101010110", '1', "010101111", "0101010101010101"),
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("0101010101010110", '1', "010101111", "0101010101010110"),
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("0101010101010110", '0', "010101000", "0101010101010101"),
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("0101010101010110", '0', "010101000", "0101010101010101"),
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("0101010101010110", '0', "010101001", "0101010101010101"),
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("0101010101010110", '0', "010101010", "0101010101010101"),
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("0101010101010110", '0', "010101011", "0101010101010101"),
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("0101010101010110", '0', "010101100", "0101010101010101"),
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("0101010101010110", '0', "010101101", "0101010101010101"),
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("0101010101010110", '0', "010101110", "0101010101010101"),
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("0101010101010110", '0', "010101111", "0101010101010110"),
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("0101010101010101", '1', "010101111", "0101010101010110"),
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("0101010101010101", '1', "010101111", "0101010101010101"),
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("0101010101010101", '0', "010101000", "0101010101010101"),
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("0101010101010101", '0', "010101000", "0101010101010101"),
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("0101010101010101", '0', "010101001", "0101010101010101"),
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("0101010101010101", '0', "010101010", "0101010101010101"),
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("0101010101010101", '0', "010101011", "0101010101010101"),
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("0101010101010101", '0', "010101100", "0101010101010101"),
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("0101010101010101", '0', "010101101", "0101010101010101"),
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("0101010101010101", '0', "010101110", "0101010101010101"),
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("0101010101010101", '0', "010101111", "0101010101010101"),
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("0101010101010101", '0', "000101010", "0000000000000000"),
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("0101010101010101", '0', "000101010", "0000000000000000"),
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("0101010101010101", '0', "001101010", "0000000000000000"),
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("0101010101010101", '0', "010101010", "0101010101010101"),
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("0101010101010101", '0', "011101010", "0000000000000000"),
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("0101010101010101", '0', "100101010", "0000000000000000"),
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("0101010101010101", '0', "101101010", "0000000000000000"),
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("0101010101010101", '0', "110101010", "0000000000000000"),
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("0101010101010101", '0', "111101010", "0000000000000000"),
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("0101010101010101", '1', "000101010", "0000000000000000"),
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("0101010101010101", '1', "000101010", "0101010101010101"),
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("0101010101010101", '1', "001101010", "0000000000000000"),
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("0101010101010101", '1', "001101010", "0101010101010101"),
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("0101010101010101", '1', "010101010", "0101010101010101"),
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("0101010101010101", '1', "010101010", "0101010101010101"),
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("0101010101010101", '1', "011101010", "0000000000000000"),
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("0101010101010101", '1', "011101010", "0101010101010101"),
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("0101010101010101", '1', "100101010", "0000000000000000"),
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("0101010101010101", '1', "100101010", "0101010101010101"),
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("0101010101010101", '1', "101101010", "0000000000000000"),
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("0101010101010101", '1', "101101010", "0101010101010101"),
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("0101010101010101", '1', "110101010", "0000000000000000"),
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("0101010101010101", '1', "110101010", "0101010101010101"),
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("0101010101010101", '1', "111101010", "0000000000000000"),
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("0101010101010101", '1', "111101010", "0101010101010101"),
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("0101010101010101", '0', "000101010", "0101010101010101"),
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("0101010101010101", '0', "000101010", "0101010101010101"),
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("0101010101010101", '0', "001101010", "0101010101010101"),
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("0101010101010101", '0', "010101010", "0101010101010101"),
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("0101010101010101", '0', "011101010", "0101010101010101"),
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("0101010101010101", '0', "100101010", "0101010101010101"),
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("0101010101010101", '0', "101101010", "0101010101010101"),
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("0101010101010101", '0', "110101010", "0101010101010101"),
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("0101010101010101", '0', "111101010", "0101010101010101"),
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("0101010101010110", '1', "000101010", "0101010101010101"),
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("0101010101010110", '1', "000101010", "0101010101010110"),
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("0101010101010110", '0', "000101010", "0101010101010110"),
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("0101010101010110", '0', "000101010", "0101010101010110"),
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("0101010101010110", '0', "001101010", "0101010101010101"),
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("0101010101010110", '0', "010101010", "0101010101010101"),
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("0101010101010110", '0', "011101010", "0101010101010101"),
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("0101010101010110", '0', "100101010", "0101010101010101"),
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("0101010101010110", '0', "101101010", "0101010101010101"),
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("0101010101010110", '0', "110101010", "0101010101010101"),
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("0101010101010110", '0', "111101010", "0101010101010101"),
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("0101010101010101", '1', "000101010", "0101010101010110"),
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("0101010101010101", '1', "000101010", "0101010101010101"),
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("0101010101010110", '1', "001101010", "0101010101010101"),
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("0101010101010110", '1', "001101010", "0101010101010110"),
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("0101010101010110", '0', "000101010", "0101010101010101"),
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("0101010101010110", '0', "000101010", "0101010101010101"),
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("0101010101010110", '0', "001101010", "0101010101010110"),
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("0101010101010110", '0', "010101010", "0101010101010101"),
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("0101010101010110", '0', "011101010", "0101010101010101"),
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("0101010101010110", '0', "100101010", "0101010101010101"),
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("0101010101010110", '0', "101101010", "0101010101010101"),
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("0101010101010110", '0', "110101010", "0101010101010101"),
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("0101010101010110", '0', "111101010", "0101010101010101"),
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("0101010101010101", '1', "001101010", "0101010101010110"),
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("0101010101010101", '1', "001101010", "0101010101010101"),
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("0101010101010110", '1', "010101010", "0101010101010101"),
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("0101010101010110", '1', "010101010", "0101010101010110"),
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("0101010101010110", '0', "000101010", "0101010101010101"),
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("0101010101010110", '0', "000101010", "0101010101010101"),
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("0101010101010110", '0', "001101010", "0101010101010101"),
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("0101010101010110", '0', "010101010", "0101010101010110"),
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("0101010101010110", '0', "011101010", "0101010101010101"),
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("0101010101010110", '0', "100101010", "0101010101010101"),
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("0101010101010110", '0', "101101010", "0101010101010101"),
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("0101010101010110", '0', "110101010", "0101010101010101"),
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("0101010101010110", '0', "111101010", "0101010101010101"),
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("0101010101010101", '1', "010101010", "0101010101010110"),
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("0101010101010101", '1', "010101010", "0101010101010101"),
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("0101010101010110", '1', "011101010", "0101010101010101"),
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("0101010101010110", '1', "011101010", "0101010101010110"),
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("0101010101010110", '0', "000101010", "0101010101010101"),
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("0101010101010110", '0', "000101010", "0101010101010101"),
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("0101010101010110", '0', "001101010", "0101010101010101"),
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("0101010101010110", '0', "010101010", "0101010101010101"),
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("0101010101010110", '0', "011101010", "0101010101010110"),
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|
("0101010101010110", '0', "100101010", "0101010101010101"),
|
|
("0101010101010110", '0', "101101010", "0101010101010101"),
|
|
("0101010101010110", '0', "110101010", "0101010101010101"),
|
|
("0101010101010110", '0', "111101010", "0101010101010101"),
|
|
("0101010101010101", '1', "011101010", "0101010101010110"),
|
|
("0101010101010101", '1', "011101010", "0101010101010101"),
|
|
("0101010101010110", '1', "100101010", "0101010101010101"),
|
|
("0101010101010110", '1', "100101010", "0101010101010110"),
|
|
("0101010101010110", '0', "000101010", "0101010101010101"),
|
|
("0101010101010110", '0', "000101010", "0101010101010101"),
|
|
("0101010101010110", '0', "001101010", "0101010101010101"),
|
|
("0101010101010110", '0', "010101010", "0101010101010101"),
|
|
("0101010101010110", '0', "011101010", "0101010101010101"),
|
|
("0101010101010110", '0', "100101010", "0101010101010110"),
|
|
("0101010101010110", '0', "101101010", "0101010101010101"),
|
|
("0101010101010110", '0', "110101010", "0101010101010101"),
|
|
("0101010101010110", '0', "111101010", "0101010101010101"),
|
|
("0101010101010101", '1', "100101010", "0101010101010110"),
|
|
("0101010101010101", '1', "100101010", "0101010101010101"),
|
|
("0101010101010110", '1', "101101010", "0101010101010101"),
|
|
("0101010101010110", '1', "101101010", "0101010101010110"),
|
|
("0101010101010110", '0', "000101010", "0101010101010101"),
|
|
("0101010101010110", '0', "000101010", "0101010101010101"),
|
|
("0101010101010110", '0', "001101010", "0101010101010101"),
|
|
("0101010101010110", '0', "010101010", "0101010101010101"),
|
|
("0101010101010110", '0', "011101010", "0101010101010101"),
|
|
("0101010101010110", '0', "100101010", "0101010101010101"),
|
|
("0101010101010110", '0', "101101010", "0101010101010110"),
|
|
("0101010101010110", '0', "110101010", "0101010101010101"),
|
|
("0101010101010110", '0', "111101010", "0101010101010101"),
|
|
("0101010101010101", '1', "101101010", "0101010101010110"),
|
|
("0101010101010101", '1', "101101010", "0101010101010101"),
|
|
("0101010101010110", '1', "110101010", "0101010101010101"),
|
|
("0101010101010110", '1', "110101010", "0101010101010110"),
|
|
("0101010101010110", '0', "000101010", "0101010101010101"),
|
|
("0101010101010110", '0', "000101010", "0101010101010101"),
|
|
("0101010101010110", '0', "001101010", "0101010101010101"),
|
|
("0101010101010110", '0', "010101010", "0101010101010101"),
|
|
("0101010101010110", '0', "011101010", "0101010101010101"),
|
|
("0101010101010110", '0', "100101010", "0101010101010101"),
|
|
("0101010101010110", '0', "101101010", "0101010101010101"),
|
|
("0101010101010110", '0', "110101010", "0101010101010110"),
|
|
("0101010101010110", '0', "111101010", "0101010101010101"),
|
|
("0101010101010101", '1', "110101010", "0101010101010110"),
|
|
("0101010101010101", '1', "110101010", "0101010101010101"),
|
|
("0101010101010110", '1', "111101010", "0101010101010101"),
|
|
("0101010101010110", '1', "111101010", "0101010101010110"),
|
|
("0101010101010110", '0', "000101010", "0101010101010101"),
|
|
("0101010101010110", '0', "000101010", "0101010101010101"),
|
|
("0101010101010110", '0', "001101010", "0101010101010101"),
|
|
("0101010101010110", '0', "010101010", "0101010101010101"),
|
|
("0101010101010110", '0', "011101010", "0101010101010101"),
|
|
("0101010101010110", '0', "100101010", "0101010101010101"),
|
|
("0101010101010110", '0', "101101010", "0101010101010101"),
|
|
("0101010101010110", '0', "110101010", "0101010101010101"),
|
|
("0101010101010110", '0', "111101010", "0101010101010110"),
|
|
("0101010101010101", '1', "111101010", "0101010101010110"),
|
|
("0101010101010101", '1', "111101010", "0101010101010101"),
|
|
("0101010101010101", '0', "000101010", "0101010101010101"),
|
|
("0101010101010101", '0', "000101010", "0101010101010101"),
|
|
("0101010101010101", '0', "001101010", "0101010101010101"),
|
|
("0101010101010101", '0', "010101010", "0101010101010101"),
|
|
("0101010101010101", '0', "011101010", "0101010101010101"),
|
|
("0101010101010101", '0', "100101010", "0101010101010101"),
|
|
("0101010101010101", '0', "101101010", "0101010101010101"),
|
|
("0101010101010101", '0', "110101010", "0101010101010101"),
|
|
("0101010101010101", '0', "111101010", "0101010101010101"));
|
|
|
|
begin
|
|
-- Check each pattern.
|
|
for i in patterns'range loop
|
|
-- Set the inputs.
|
|
d <= patterns(i).d;
|
|
load <= patterns(i).load;
|
|
address <= patterns(i).address;
|
|
wait for 0.25 ns;
|
|
-- Check the outputs.
|
|
assert cout = patterns(i).cout
|
|
report "bad data, memory problem" severity error;
|
|
wait for 0.75 ns;
|
|
end loop;
|
|
-- End the clock
|
|
finish <= '1';
|
|
assert false report "end of test" severity note;
|
|
-- Wait forever; this will finish the simulation.
|
|
wait;
|
|
end process;
|
|
end ram512_tb_arch;
|