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Diffstat (limited to 'Example/combinational_logic/half_adder/half_adder.vhdl')
-rw-r--r-- | Example/combinational_logic/half_adder/half_adder.vhdl | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Example/combinational_logic/half_adder/half_adder.vhdl b/Example/combinational_logic/half_adder/half_adder.vhdl new file mode 100644 index 0000000..71ef1cc --- /dev/null +++ b/Example/combinational_logic/half_adder/half_adder.vhdl @@ -0,0 +1,18 @@ +library ieee; +use ieee.std_logic_1164.all; +use ieee.numeric_std.all; + +entity half_adder is + port ( + i_bit0 : in std_logic_vector(0 downto 0); + i_bit1 : in std_logic_vector(0 downto 0); + o_sum : out std_logic_vector(0 downto 0); + o_carry : out std_logic_vector(0 downto 0) + ); +end half_adder; + +architecture rtl of half_adder is +begin + o_sum <= i_bit0 xor i_bit1; + o_carry <= i_bit0 and i_bit1; +end rtl; |