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entity tb_comp04 is
end tb_comp04;
library ieee;
use ieee.std_logic_1164.all;
architecture behav of tb_comp04 is
signal v : std_logic_vector (7 downto 0);
signal r : std_logic_vector (7 downto 0);
begin
comp04_1: entity work.comp04
port map (
v => v,
r => r);
process
begin
v <= b"1100_0011";
wait for 1 ns;
assert r = b"1100_0011" severity failure;
v <= b"1100_0010";
wait for 1 ns;
assert r = b"0000_0000" severity failure;
wait;
end process;
end behav;
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