47 lines
1.4 KiB
VHDL
47 lines
1.4 KiB
VHDL
-- Copyright (c) 2016 CERN
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-- Maciej Suminski <maciej.suminski@cern.ch>
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--
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-- This source code is free software; you can redistribute it
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-- and/or modify it in source code form under the terms of the GNU
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-- General Public License as published by the Free Software
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-- Foundation; either version 2 of the License, or (at your option)
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-- 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, write to the Free Software
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-- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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-- Test multidimensional arrays.
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library IEEE;
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use IEEE.std_logic_1164.all;
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use IEEE.numeric_std.all;
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entity vhdl_multidim_array is
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end vhdl_multidim_array;
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architecture archi of vhdl_multidim_array is
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constant array_size : integer := 16;
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subtype one_dim is unsigned(array_size - 1 downto 0);
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type multi_dim is array (0 to 1) of one_dim;
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begin
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process
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variable arr : multi_dim;
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begin
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-- fill the array with test data
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for i in array_size - 1 downto 0
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loop
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arr(0)(i) := 2 ** i;
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arr(1)(i) := not arr(0)(i);
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end loop;
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wait;
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end process;
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end archi;
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