Subversion Repositories xucpu

-- Copyright 2015, Jürgen Defurne

--

-- This file is part of the Experimental Unstable CPU System.

--

-- The Experimental Unstable CPU System Is free software: you can redistribute

-- it and/or modify it under the terms of the GNU Lesser General Public License

-- as published by the Free Software Foundation, either version 3 of the

-- License, or (at your option) any later version.

--

-- The Experimental Unstable CPU System 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 Lesser

-- General Public License for more details.

--

-- You should have received a copy of the GNU Lesser General Public License

-- along with Experimental Unstable CPU System. If not, see

-- http://www.gnu.org/licenses/lgpl.txt.

LIBRARY IEEE;

USE IEEE.std_logic_1164.ALL;

USE IEEE.numeric_std.ALL;

ENTITY incr IS

  GENERIC(

    w_data : NATURAL RANGE 1 TO 32 := 16);

  PORT(

    A : IN  STD_LOGIC_VECTOR(w_data - 1 DOWNTO 0);

    Y : OUT STD_LOGIC_VECTOR(w_data - 1 DOWNTO 0));

END ENTITY incr;

ARCHITECTURE Behavioral OF incr IS

BEGIN  -- Behavioral

  Y <= STD_LOGIC_VECTOR(UNSIGNED(A) + to_unsigned(1, w_data));

END Behavioral;