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library ieee;
use ieee.std_logic_1164.all;
entity sub_nat is
port (
clk : in std_logic;
a : in natural;
b : out natural
);
end sub_nat;
architecture rtl of sub_nat is
begin
process(clk)
begin
if rising_edge(clk) then
b <= a;
end if;
end process;
end rtl;
library ieee;
use ieee.std_logic_1164.all;
entity repro_nat is
port (
clk : in std_logic;
a : in natural;
b : out natural
);
end repro_nat;
architecture rtl of repro_nat is
begin
i_sub_nat : entity work.sub_nat
port map (
clk => clk,
a => a,
b => b
);
end rtl;
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