-- wrlatch.vhd: asynchronous SR latch for walk request
-- Dan R. K. Ports   <drkp@mit.edu>
-- 6.111 Lab 2, 2003/10/01

library ieee;
use ieee.std_logic_1164.all;

entity wrlatch is
  
  port (
    latchset, latchreset : in  std_logic;
    latchout             : out std_logic);

end wrlatch;

architecture behavioral of wrlatch is
  signal latchreg : std_logic := '0';
begin  -- behavioral

  latchreg <= (latchreg or latchset) and not (latchreset);
  latchout <= latchreg;

end behavioral;