CristalCaveGem » LustreC » Lustrec-Tests

library ieee;

use ieee.std_logic_1164.all;

library ieee;

use ieee.numeric_std.all;

entity sub_332 is

	port (

		result : out std_logic_vector(31 downto 0);

		in_a : in  std_logic_vector(31 downto 0);

		in_b : in  std_logic_vector(31 downto 0)

	);

end sub_332;

architecture augh of sub_332 is

	signal carry_inA : std_logic_vector(33 downto 0);

	signal carry_inB : std_logic_vector(33 downto 0);

	signal carry_res : std_logic_vector(33 downto 0);

begin

	-- To handle the CI input, the operation is '0' - CI

	-- If CI is not present, the operation is '0' - '0'

	carry_inA <= '0' & in_a & '0';

	carry_inB <= '0' & in_b & '0';

	-- Compute the result

	carry_res <= std_logic_vector(unsigned(carry_inA) - unsigned(carry_inB));

	-- Set the outputs

	result <= carry_res(32 downto 1);

end architecture;