2025-07-18 ...before ...ghdl20250701.vhdl

-- (C) David Vajda
-- Tue Jul  1 10:51:37 2025
-- 3 Network - TTL - Disjunktive Normalform

library ieee;
use ieee.std_logic_1164.all;

entity quine20250701 is
port (
    x2, x1, x0: in std_logic;
    y: out std_logic
);
end;

architecture behaviour of quine20250701 is
begin
    y   <=  (not x2 and x1) or
            (x2 and not x1) or
            (x1 and x0);

end;

library ieee;
use ieee.std_logic_1164.all;

entity quine20250701testbench is
port (
    y: out std_logic
);
end;

architecture behaviour of quine20250701testbench is
    component quine20250701
    port (
        x2, x1, x0: in std_logic;
        y: out std_logic
    );
    end component;
    signal x2, x1, x0: std_logic;
begin
    q: quine20250701 PORT MAP (x2=>x2, x1=>x1, x0=>x0, y=>y);
    x0 <= '0' after 0 ns, '1' after 10 ns, '0' after 20 ns, '1' after 30 ns, '0' after 40 ns, '1' after 50 ns, '0' after 60 ns, '1' after 70 ns, '0' after 80 ns;

    x1 <= '0' after 0 ns, '0' after 10 ns, '1' after 20 ns, '1' after 30 ns, '0' after 40 ns, '0' after 50 ns, '1' after 60 ns, '1' after 70 ns, '0' after 80 ns;

    x2 <= '0' after 0 ns, '0' after 10 ns, '0' after 20 ns, '0' after 30 ns, '1' after 40 ns, '1' after 50 ns, '1' after 60 ns, '1' after 70 ns, '0' after 80 ns;
end;