Subversion Repositories myhdl_lfsr

-- File: generated/lfsr_128.vhd
-- Generated by MyHDL 0.9.0
-- Date: Thu Jan 11 17:29:05 2018
 
 
library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.numeric_std.all;
use std.textio.all;
 
use work.pck_myhdl_090.all;
 
entity lfsr_128 is
    port (
        reset: in std_logic;
        clock: in std_logic;
        lfsr_out: out unsigned(127 downto 0)
    );
end entity lfsr_128;
 
 
architecture MyHDL of lfsr_128 is
 
 
 
 
 
signal reg_internal: unsigned(127 downto 0);
 
begin
 
 
 
 
 
LFSR_128_LFSR_LOGIC: process (clock, reset) is
begin
    if (reset = '1') then
        reg_internal <= unsigned'"00100111011001101010111000000101110001011101111100011001000011011110011111000010011110110101001101010010111110010000001111111010";
    elsif rising_edge(clock) then
        if (reg_internal(0) = '1') then
            reg_internal <= (shift_right(reg_internal, 1) xor unsigned'("11100001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"));
        else
            reg_internal <= shift_right(reg_internal, 1);
        end if;
    end if;
end process LFSR_128_LFSR_LOGIC;
 
 
 
lfsr_out <= reg_internal;
 
end architecture MyHDL;