entity counter is
port ( clk : in bit; count : out natural );
end entity counter;
--------------------------------------------------
architecture behavior of counter is
begin
incrementer : process is
variable count_value : natural := 0;
begin
count <= count_value;
loop
wait until clk = '1';
count_value := (count_value + 1) mod 16;
count <= count_value;
end loop;
end process incrementer;
end architecture behavior;
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