----------------------------------------------------------------------------------
-- Company:
-- Engineer: Nabil Sayegh
--
-- Create Date:    12:11:03 08/07/2009
-- Design Name:
-- Module Name:    fifo_fwft - Behavioral
-- Project Name:
-- Target Devices:
-- Tool versions:
-- Description:
--
-- Dependencies:
--
-- Revision:
-- Revision 0.01 - File Created
-- Additional Comments:
--
----------------------------------------------------------------------------------
library ieee;
  use ieee.std_logic_1164.all;
  use ieee.numeric_std.all;

entity fifo_fwft is
    generic
    (
    addr_width : Integer := 8;
    data_width : Integer := 8
    );
    port
    (
        clock              : IN  std_logic;
        reset              : IN  std_logic;

        wren               : IN  std_logic;
        rdack              : IN  std_logic;
        din                : IN  std_logic_vector(data_width-1 downto 0);
        dout               : OUT std_logic_vector(data_width-1 downto 0);
        empty              : OUT std_logic;
        almost_full        : OUT std_logic
    );
end entity fifo_fwft;

architecture Behavioral of fifo_fwft is
    signal rden : std_logic;
    signal flag : std_logic;
begin

    Inst_fifo: entity work.fifo_simple
    generic MAP
    (
    addr_width => addr_width,
    data_width => data_width
    )
    port map
    (
        clock => clock,
        reset => reset,
        wren => wren,
        rden => rden,
        din => din,
        dout => dout,
        empty => empty,
        almost_full => almost_full
    );

    rden <= (not flag and not empty) or rdack;
    process (clock, reset)
    begin
        if rising_edge(clock) then
            flag <= (flag and not rdack) or (not empty);
        end if;
    end process;

end architecture Behavioral;


ERROR:HDLParsers:1411 - "C:/Dokumente und Einstellungen/All Users/Dokumente/ssp/trunk/fifo_fwft.vhd" Line 67. Parameter empty of mode out can not be associated with a formal parameter of mode in.
ERROR:HDLParsers:1411 - "C:/Dokumente und Einstellungen/All Users/Dokumente/ssp/trunk/fifo_fwft.vhd" Line 71. Parameter empty of mode out can not be associated with a formal parameter of mode in.