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-- VHDL structural description generated from `fulladder16`
--              date : Tue Jul 31 11:58:00 2001


-- Entity Declaration

ENTITY fulladder16 IS
  PORT (
  a : in BIT_VECTOR (15 DOWNTO 0);      -- a
  b : in BIT_VECTOR (15 DOWNTO 0);      -- b
  sum : out BIT_VECTOR (15 DOWNTO 0);   -- sum
  vdd : in BIT; -- vdd
  vss : in BIT  -- vss
  );
END fulladder16;

-- Architecture Declaration

ARCHITECTURE VST OF fulladder16 IS
  COMPONENT zero_x0
    port (
    nq : out BIT;       -- nq
    vdd : in BIT;       -- vdd
    vss : in BIT        -- vss
    );
  END COMPONENT;

  COMPONENT fulladder
    port (
    a : in BIT; -- a
    b : in BIT; -- b
    cin : in BIT;       -- cin
    sum : out BIT;      -- sum
    cout : out BIT;     -- cout
    vdd : in BIT;       -- vdd
    vss : in BIT        -- vss
    );
  END COMPONENT;

  COMPONENT fulladdercout
    port (
    a : in BIT; -- a
    b : in BIT; -- b
    cin : in BIT;       -- cin
    sum : out BIT;      -- sum
    vdd : in BIT;       -- vdd
    vss : in BIT        -- vss
    );
  END COMPONENT;

  SIGNAL cout0 : BIT;   -- cout0
  SIGNAL cout1 : BIT;   -- cout1
  SIGNAL cout10 : BIT;  -- cout10
  SIGNAL cout11 : BIT;  -- cout11
  SIGNAL cout12 : BIT;  -- cout12
  SIGNAL cout13 : BIT;  -- cout13
  SIGNAL cout14 : BIT;  -- cout14
  SIGNAL cout2 : BIT;   -- cout2
  SIGNAL cout3 : BIT;   -- cout3
  SIGNAL cout4 : BIT;   -- cout4
  SIGNAL cout5 : BIT;   -- cout5
  SIGNAL cout6 : BIT;   -- cout6
  SIGNAL cout7 : BIT;   -- cout7
  SIGNAL cout8 : BIT;   -- cout8
  SIGNAL cout9 : BIT;   -- cout9
  SIGNAL nol : BIT;     -- nol

BEGIN

  zero1 : zero_x0
    PORT MAP (
    vss => vss,
    vdd => vdd,
    nq => nol);
  fulladder1 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout0,
    sum => sum(0),
    cin => nol,
    b => b(0),
    a => a(0));
  fulladder2 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout1,
    sum => sum(1),
    cin => cout0,
    b => b(1),
    a => a(1));
  fulladder3 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout2,
    sum => sum(2),
    cin => cout1,
    b => b(2),
    a => a(2));
  fulladder4 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout3,
    sum => sum(3),
    cin => cout2,
    b => b(3),
    a => a(3));
  fulladder5 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout4,
    sum => sum(4),
    cin => cout3,
    b => b(4),
    a => a(4));
  fulladder6 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout5,
    sum => sum(5),
    cin => cout4,
    b => b(5),
    a => a(5));
  fulladder7 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout6,
    sum => sum(6),
    cin => cout5,
    b => b(6),
    a => a(6));
  fulladder8 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout7,
    sum => sum(7),
    cin => cout6,
    b => b(7),
    a => a(7));
  fulladder9 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout8,
    sum => sum(8),
    cin => cout7,
    b => b(8),
    a => a(8));
  fulladder10 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout9,
    sum => sum(9),
    cin => cout8,
    b => b(9),
    a => a(9));
  fulladder11 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout10,
    sum => sum(10),
    cin => cout9,
    b => b(10),
    a => a(10));
  fulladder12 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout11,
    sum => sum(11),
    cin => cout10,
    b => b(11),
    a => a(11));
  fulladder13 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout12,
    sum => sum(12),
    cin => cout11,
    b => b(12),
    a => a(12));
  fulladder14 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout13,
    sum => sum(13),
    cin => cout12,
    b => b(13),
    a => a(13));
  fulladder15 : fulladder
    PORT MAP (
    vss => vss,
    vdd => vdd,
    cout => cout14,
    sum => sum(14),
    cin => cout13,
    b => b(14),
    a => a(14));
  fulladder16 : fulladdercout
    PORT MAP (
    vss => vss,
    vdd => vdd,
    sum => sum(15),
    cin => cout14,
    b => b(15),
    a => a(15));

end VST;