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2051e520
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Arnaud Dieumegard
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library ieee;
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use ieee.std_logic_1164.all;
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library ieee;
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use ieee.numeric_std.all;
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entity add_537 is
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port (
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result : out std_logic_vector(31 downto 0);
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in_a : in std_logic_vector(31 downto 0);
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in_b : in std_logic_vector(31 downto 0)
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);
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end add_537;
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architecture augh of add_537 is
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signal carry_inA : std_logic_vector(33 downto 0);
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signal carry_inB : std_logic_vector(33 downto 0);
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signal carry_res : std_logic_vector(33 downto 0);
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begin
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-- To handle the CI input, the operation is '1' + CI
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-- If CI is not present, the operation is '1' + '0'
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carry_inA <= '0' & in_a & '1';
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carry_inB <= '0' & in_b & '0';
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-- Compute the result
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carry_res <= std_logic_vector(unsigned(carry_inA) + unsigned(carry_inB));
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-- Set the outputs
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result <= carry_res(32 downto 1);
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end architecture;
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