library ieee;
use ieee.std_logic_1164.all;

use work.mcu.all;

entity ice is
  port (
    mcu_in              : in mcu_in;
    bit_out             : out std_logic;
    oe                  : in std_logic;
    ce                  : in std_logic;
    we                  : in std_logic
  );
end ice;

architecture behaviour of ice is
  signal ah             : std_logic_vector(15 downto 8);
  signal al             : std_logic_vector(7 downto 0);
  signal d              : std_logic_vector(7 downto 0);

  signal ram_address    : std_logic_vector(14 downto 0);
begin
  mcu_interface : entity work.mcu_interface(behaviour) port map(
    mcu_in,
    bit_out,
    ah,
    al,
    d,          -- d_out,
    d           -- d_in
  );

  address : ram_address <= ah(14 downto 8) & al;

  ram : entity work.as7c256a port map(
    address => ram_address,
    dataio => d,
    oe_bar => oe,
    ce_bar => ce,
    we_bar => we
  );

end;