config_mult.vhd

用impulse c编写的18x18位的乘法器。

-- Test data for multiply
--
library ieee;
use ieee.std_logic_1164.all;

package config is
  constant testval_count : integer := 20;
  type testval is array (natural range <>) of std_ulogic_vector(17 downto 0);
  constant testval_table : testval (0 to 19) := (
    "000000000000000001",
    "000000000000000001",
    "000000000000000010",
    "000000000000000010",
    "000000000000111010",
    "000000000000000010",
    "000000000100000111",
    "000001000000000111",
    "000000000110000000",
    "000000000000011000",
    "000000000100100010",
    "000001100000011000",
    "000000000001000100",
    "000000001100001001",
    "000000100000100000",
    "000000000000000101",
    "111111111111111111",
    "111111111111111111",
    "111110000010000000",
    "100111111000000001"
  );
end package;