keyboard controller interface

types.vhd

ibrary IEEE;
use IEEE.std_logic_1164.all;

package types is

  type keyboard_in_type is record
    input : std_logic_vector (7 downto 0);
    command : std_logic_vector (7 downto 0);
  end record;

  type keyboard_out_type is record
    output : std_logic_vector(7 downto 0);
    status : std_logic_vector (7 downto 0);
    interupt : std_logic;
  end record;

  component keyboard_ is
    port(
      clk : in std_logic;
      rst : in std_logic;
      PS2_CLK : inout std_logic;
      PS2_DAT : inout std_logic;
      keyboard_in : in keyboard_in_type;
      keyboard_out : out keyboard_out_type);
  end component;
end package;