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LIBRARY IEEE;
USE IEEE.std_logic_1164.all;
entity ifchain is port(
clk, rstn : in std_logic
);
end ifchain;
architecture rtl of ifchain is
type t is array (3 downto 0) of std_logic_vector(31 downto 0);
signal a : std_logic_vector(3 downto 0);
signal b : std_logic_vector(3 downto 0);
signal status : std_logic;
signal c : t;
begin
process(clk) begin
if clk'event and clk = '1' then
if b(1) & a(3 downto 2) = "001" then
status <= '1';
c(0) <= x"FFFFFFFF";
end if;
end if;
end process;
end rtl;
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