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-- VHDL structural description generated from `fullsubstractor16`
--              date : Tue Jul 31 12:52:37 2001


-- Entity Declaration

ENTITY fullsubstractor16 IS
  PORT (
  a : in BIT_VECTOR (15 DOWNTO 0);      -- a
  b : in BIT_VECTOR (15 DOWNTO 0);      -- b
  diff : out BIT_VECTOR (15 DOWNTO 0);  -- diff
  vdd : in BIT; -- vdd
  vss : in BIT  -- vss
  );
END fullsubstractor16;

-- Architecture Declaration

ARCHITECTURE VST OF fullsubstractor16 IS
  COMPONENT zero_x0
    port (
    nq : out BIT;       -- nq
    vdd : in BIT;       -- vdd
    vss : in BIT        -- vss
    );
  END COMPONENT;

  COMPONENT fullsubstractor
    port (
    a : in BIT; -- a
    b : in BIT; -- b
    bin : in BIT;       -- bin
    diff : out BIT;     -- diff
    bout : out BIT;     -- bout
    vdd : in BIT;       -- vdd
    vss : in BIT        -- vss
    );
  END COMPONENT;

  COMPONENT fullsubstractorbout
    port (
    a : in BIT; -- a
    b : in BIT; -- b
    bin : in BIT;       -- bin
    diff : out BIT;     -- diff
    vdd : in BIT;       -- vdd
    vss : in BIT        -- vss
    );
  END COMPONENT;

  SIGNAL bout0 : BIT;   -- bout0
  SIGNAL bout1 : BIT;   -- bout1
  SIGNAL bout10 : BIT;  -- bout10
  SIGNAL bout11 : BIT;  -- bout11
  SIGNAL bout12 : BIT;  -- bout12
  SIGNAL bout13 : BIT;  -- bout13
  SIGNAL bout14 : BIT;  -- bout14
  SIGNAL bout2 : BIT;   -- bout2
  SIGNAL bout3 : BIT;   -- bout3
  SIGNAL bout4 : BIT;   -- bout4
  SIGNAL bout5 : BIT;   -- bout5
  SIGNAL bout6 : BIT;   -- bout6
  SIGNAL bout7 : BIT;   -- bout7
  SIGNAL bout8 : BIT;   -- bout8
  SIGNAL bout9 : BIT;   -- bout9
  SIGNAL nol : BIT;     -- nol

BEGIN

  zero1 : zero_x0
    PORT MAP (
    vss => vss,
    vdd => vdd,
    nq => nol);
  fullsubstractor1 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout0,
    diff => diff(0),
    bin => nol,
    b => b(0),
    a => a(0));
  fullsubstractor2 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout1,
    diff => diff(1),
    bin => bout0,
    b => b(1),
    a => a(1));
  fullsubstractor3 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout2,
    diff => diff(2),
    bin => bout1,
    b => b(2),
    a => a(2));
  fullsubstractor4 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout3,
    diff => diff(3),
    bin => bout2,
    b => b(3),
    a => a(3));
  fullsubstractor5 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout4,
    diff => diff(4),
    bin => bout3,
    b => b(4),
    a => a(4));
  fullsubstractor6 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout5,
    diff => diff(5),
    bin => bout4,
    b => b(5),
    a => a(5));
  fullsubstractor7 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout6,
    diff => diff(6),
    bin => bout5,
    b => b(6),
    a => a(6));
  fullsubstractor8 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout7,
    diff => diff(7),
    bin => bout6,
    b => b(7),
    a => a(7));
  fullsubstractor9 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout8,
    diff => diff(8),
    bin => bout7,
    b => b(8),
    a => a(8));
  fullsubstractor10 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout9,
    diff => diff(9),
    bin => bout8,
    b => b(9),
    a => a(9));
  fullsubstractor11 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout10,
    diff => diff(10),
    bin => bout9,
    b => b(10),
    a => a(10));
  fullsubstractor12 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout11,
    diff => diff(11),
    bin => bout10,
    b => b(11),
    a => a(11));
  fullsubstractor13 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout12,
    diff => diff(12),
    bin => bout11,
    b => b(12),
    a => a(12));
  fullsubstractor14 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout13,
    diff => diff(13),
    bin => bout12,
    b => b(13),
    a => a(13));
  fullsubstractor15 : fullsubstractor
    PORT MAP (
    vss => vss,
    vdd => vdd,
    bout => bout14,
    diff => diff(14),
    bin => bout13,
    b => b(14),
    a => a(14));
  fullsubstarctor16 : fullsubstractorbout
    PORT MAP (
    vss => vss,
    vdd => vdd,
    diff => diff(15),
    bin => bout14,
    b => b(15),
    a => a(15));

end VST;