Subversion Repositories jart

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

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

    -- along with JART (Just Another Ray Tracer).  If not, see <http://www.gnu.org/licenses/>.library ieee;

    -- along with JART (Just Another Ray Tracer).  If not, see <http://www.gnu.org/licenses/>.library ieee;

-- Zu synthesises the z and x components of the unitary vectors along an image vertical and/or horizontal line respectively. 

-- Zu synthesises the z and x components of the unitary vectors along an image vertical and/or horizontal line respectively. 

-- For the jart project Zu must be used with the following values:

-- For the jart project Zu must be used with the following values:

library ieee;

library ieee;

use ieee.std_logic_1164.all;

use ieee.std_logic_1164.all;

use ieee.std_logic_signed.all;

use ieee.std_logic_signed.all;

entity zu is

entity zu is

        generic

        generic

        (

        (

        );

        );

        port (

        port (

                clk, rst, ena   : in std_logic; -- The usual control signals

                clk, rst, ena   : in std_logic; -- The usual control signals

                clr                             : in std_logic;

                clr                             : in std_logic;