library ieee;
use ieee.std_logic_1164.all;
entity rs_latch2 is
port
(
q: out std_logic;
r, s: in std_logic
);
end;
architecture verhalten of rs_latch2 is
signal q1, q2: std_logic;
begin
q1 <= (q2 nor s);
q2 <= (q1 nor r);
q <= q1;
end;