a_table.vhd

Intel微处理器8088的VHDL实现

       when "0011011100000000" => dout <= "001"; 
       when "0010011100000000" => dout <= "001"; 
       when "0011111100000000" => dout <= "001"; 
       when "0010111100000000" => dout <= "001"; 
       when "1111011011100000" => dout <= "000"; 
       when "1111011000100110" => dout <= "100"; 
       when "1111011000100000" => dout <= "000"; 
       when "1111011001100000" => dout <= "011"; 
       when "1111011010100000" => dout <= "100"; 
       when "1111011111100000" => dout <= "000"; 
       when "1111011100100110" => dout <= "100"; 
       when "1111011100100000" => dout <= "000"; 
       when "1111011101100000" => dout <= "011"; 
       when "1111011110100000" => dout <= "100"; 
       when "1111011011101000" => dout <= "000"; 
       when "1111011000101110" => dout <= "100"; 
       when "1111011000101000" => dout <= "000"; 
       when "1111011001101000" => dout <= "011"; 
       when "1111011010101000" => dout <= "100"; 
       when "1111011111101000" => dout <= "000"; 
       when "1111011100101110" => dout <= "100"; 
       when "1111011100101000" => dout <= "000"; 
       when "1111011101101000" => dout <= "011"; 
       when "1111011110101000" => dout <= "100"; 
       when "1111011011110000" => dout <= "000"; 
       when "1111011000110110" => dout <= "100"; 
       when "1111011000110000" => dout <= "000"; 
       when "1111011001110000" => dout <= "011"; 
       when "1111011010110000" => dout <= "100"; 
       when "1111011111110000" => dout <= "000"; 
       when "1111011100110110" => dout <= "100"; 
       when "1111011100110000" => dout <= "000"; 
       when "1111011101110000" => dout <= "011"; 
       when "1111011110110000" => dout <= "100"; 
       when "1111011011111000" => dout <= "000"; 
       when "1111011000111110" => dout <= "100"; 
       when "1111011000111000" => dout <= "000"; 
       when "1111011001111000" => dout <= "011"; 
       when "1111011010111000" => dout <= "100"; 
       when "1111011111111000" => dout <= "000"; 
       when "1111011100111110" => dout <= "100"; 
       when "1111011100111000" => dout <= "000"; 
       when "1111011101111000" => dout <= "011"; 
       when "1111011110111000" => dout <= "100"; 
       when "1101010000000000" => dout <= "000"; 
       when "1101010100000000" => dout <= "000"; 
       when "1001100000000000" => dout <= "000"; 
       when "1001100100000000" => dout <= "000"; 
       when "1101000011000000" => dout <= "000"; 
       when "1101000000000110" => dout <= "100"; 
       when "1101000000000000" => dout <= "000"; 
       when "1101000001000000" => dout <= "011"; 
       when "1101000010000000" => dout <= "100"; 
       when "1101000111000000" => dout <= "000"; 
       when "1101000100000110" => dout <= "100"; 
       when "1101000100000000" => dout <= "000"; 
       when "1101000101000000" => dout <= "011"; 
       when "1101000110000000" => dout <= "100"; 
       when "1101001011000000" => dout <= "000"; 
       when "1101001000000110" => dout <= "100"; 
       when "1101001000000000" => dout <= "000"; 
       when "1101001001000000" => dout <= "011"; 
       when "1101001010000000" => dout <= "100"; 
       when "1101001111000000" => dout <= "000"; 
       when "1101001100000110" => dout <= "100"; 
       when "1101001100000000" => dout <= "000"; 
       when "1101001101000000" => dout <= "011"; 
       when "1101001110000000" => dout <= "100"; 
       when "0010000011000000" => dout <= "000"; 
       when "0010000000000110" => dout <= "100"; 
       when "0010000000000000" => dout <= "000"; 
       when "0010000001000000" => dout <= "011"; 
       when "0010000010000000" => dout <= "100"; 
       when "0010000111000000" => dout <= "000"; 
       when "0010000100000110" => dout <= "100"; 
       when "0010000100000000" => dout <= "000"; 
       when "0010000101000000" => dout <= "011"; 
       when "0010000110000000" => dout <= "100"; 
       when "0010001011000000" => dout <= "000"; 
       when "0010001000000110" => dout <= "100"; 
       when "0010001000000000" => dout <= "000"; 
       when "0010001001000000" => dout <= "011"; 
       when "0010001010000000" => dout <= "100"; 
       when "0010001111000000" => dout <= "000"; 
       when "0010001100000110" => dout <= "100"; 
       when "0010001100000000" => dout <= "000"; 
       when "0010001101000000" => dout <= "011"; 
       when "0010001110000000" => dout <= "100"; 
       when "1000000011100000" => dout <= "000"; 
       when "1000000000100110" => dout <= "100"; 
       when "1000000000100000" => dout <= "000"; 
       when "1000000001100000" => dout <= "011"; 
       when "1000000010100000" => dout <= "100"; 
       when "1000000111100000" => dout <= "000"; 
       when "1000000100100110" => dout <= "100"; 
       when "1000000100100000" => dout <= "000"; 
       when "1000000101100000" => dout <= "011"; 
       when "1000000110100000" => dout <= "100"; 
       when "1000001111100000" => dout <= "000"; 
       when "1000001100100110" => dout <= "100"; 
       when "1000001100100000" => dout <= "000"; 
       when "1000001101100000" => dout <= "011"; 
       when "1000001110100000" => dout <= "100"; 
       when "0010010000000000" => dout <= "000"; 
       when "0010010100000000" => dout <= "000"; 
       when "0000100000000110" => dout <= "100"; 
       when "0000100000000000" => dout <= "000"; 
       when "0000100001000000" => dout <= "011"; 
       when "0000100010000000" => dout <= "100"; 
       when "0000100011000000" => dout <= "000"; 
       when "0000100100000110" => dout <= "100"; 
       when "0000100100000000" => dout <= "000"; 
       when "0000100101000000" => dout <= "011"; 
       when "0000100110000000" => dout <= "100"; 
       when "0000100111000000" => dout <= "000"; 
       when "0000101011000000" => dout <= "000"; 
       when "0000101000000110" => dout <= "100"; 
       when "0000101000000000" => dout <= "000"; 
       when "0000101001000000" => dout <= "011"; 
       when "0000101010000000" => dout <= "100"; 
       when "0000101111000000" => dout <= "000"; 
       when "0000101100000110" => dout <= "100"; 
       when "0000101100000000" => dout <= "000"; 
       when "0000101101000000" => dout <= "011"; 
       when "0000101110000000" => dout <= "100"; 
       when "1000000011001000" => dout <= "000"; 
       when "1000000000001110" => dout <= "100"; 
       when "1000000000001000" => dout <= "000"; 
       when "1000000001001000" => dout <= "011"; 
       when "1000000010001000" => dout <= "100"; 
       when "1000000111001000" => dout <= "000"; 
       when "1000000100001110" => dout <= "100"; 
       when "1000000100001000" => dout <= "000"; 
       when "1000000101001000" => dout <= "011"; 
       when "1000000110001000" => dout <= "100"; 
       when "1000001111001000" => dout <= "000"; 
       when "1000001100001110" => dout <= "100"; 
       when "1000001100001000" => dout <= "000"; 
       when "1000001101001000" => dout <= "011"; 
       when "1000001110001000" => dout <= "100"; 
       when "0000110000000000" => dout <= "000"; 
       when "0000110100000000" => dout <= "000"; 
       when "1000010000000110" => dout <= "100"; 
       when "1000010000000000" => dout <= "000"; 
       when "1000010001000000" => dout <= "011"; 
       when "1000010010000000" => dout <= "100"; 
       when "1000010100000110" => dout <= "100"; 
       when "1000010100000000" => dout <= "000"; 
       when "1000010101000000" => dout <= "011"; 
       when "1000010110000000" => dout <= "100"; 
       when "1000010011000000" => dout <= "000"; 
       when "1000010111000000" => dout <= "000"; 
       when "1111011011000000" => dout <= "000"; 
       when "1111011000000110" => dout <= "100"; 
       when "1111011000000000" => dout <= "000"; 
       when "1111011001000000" => dout <= "011"; 
       when "1111011010000000" => dout <= "100"; 
       when "1111011111000000" => dout <= "000"; 
       when "1111011100000110" => dout <= "100"; 
       when "1111011100000000" => dout <= "000"; 
       when "1111011101000000" => dout <= "011"; 
       when "1111011110000000" => dout <= "100"; 
       when "1010100000000000" => dout <= "000"; 
       when "1010100100000000" => dout <= "000"; 
       when "0011000000000110" => dout <= "100"; 
       when "0011000000000000" => dout <= "000"; 
       when "0011000001000000" => dout <= "011"; 
       when "0011000010000000" => dout <= "100"; 
       when "0011000011000000" => dout <= "000"; 
       when "0011000100000110" => dout <= "100"; 
       when "0011000100000000" => dout <= "000"; 
       when "0011000101000000" => dout <= "011"; 
       when "0011000110000000" => dout <= "100"; 
       when "0011000111000000" => dout <= "000"; 
       when "0011001011000000" => dout <= "000"; 
       when "0011001000000110" => dout <= "100"; 
       when "0011001000000000" => dout <= "000"; 
       when "0011001001000000" => dout <= "011"; 
       when "0011001010000000" => dout <= "100"; 
       when "0011001111000000" => dout <= "000"; 
       when "0011001100000110" => dout <= "100"; 
       when "0011001100000000" => dout <= "000"; 
       when "0011001101000000" => dout <= "011"; 
       when "0011001110000000" => dout <= "100"; 
       when "1000000011110000" => dout <= "000"; 
       when "1000000000110110" => dout <= "100"; 
       when "1000000000110000" => dout <= "000"; 
       when "1000000001110000" => dout <= "011"; 
       when "1000000010110000" => dout <= "100"; 
       when "1000000111110000" => dout <= "000"; 
       when "1000000100110110" => dout <= "100"; 
       when "1000000100110000" => dout <= "000"; 
       when "1000000101110000" => dout <= "011"; 
       when "1000000110110000" => dout <= "100"; 
       when "1000001111110000" => dout <= "000"; 
       when "1000001100110110" => dout <= "100"; 
       when "1000001100110000" => dout <= "000"; 
       when "1000001101110000" => dout <= "011"; 
       when "1000001110110000" => dout <= "100"; 
       when "0011010000000000" => dout <= "000"; 
       when "0011010100000000" => dout <= "000"; 
       when "1111011011010000" => dout <= "000"; 
       when "1111011000010110" => dout <= "100"; 
       when "1111011000010000" => dout <= "000"; 
       when "1111011001010000" => dout <= "011"; 
       when "1111011010010000" => dout <= "100"; 
       when "1111011111010000" => dout <= "000"; 
       when "1111011100010110" => dout <= "100"; 
       when "1111011100010000" => dout <= "000"; 
       when "1111011101010000" => dout <= "011"; 
       when "1111011110010000" => dout <= "100"; 
       when "1010010000000000" => dout <= "000"; 
       when "1010010100000000" => dout <= "000"; 
       when "1010011000000000" => dout <= "000"; 
       when "1010011100000000" => dout <= "000"; 
       when "1010111000000000" => dout <= "000"; 
       when "1010111100000000" => dout <= "000"; 
       when "1010110000000000" => dout <= "000"; 
       when "1010110100000000" => dout <= "000"; 
       when "1010101000000000" => dout <= "000"; 
       when "1010101100000000" => dout <= "000"; 
       when "1111001000000000" => dout <= "000"; 
       when "1111001100000000" => dout <= "000"; 
       when others             => dout <= "---";
    end case;
  end process;
end rtl;