entity ch_04_09 is

end entity ch_04_09;


----------------------------------------------------------------


architecture test of ch_04_09 is
begin


  process_04_3_c : process is

    -- code from book:

    subtype name is string(1 to 20);
    type display_string is array (integer range 0 to 19) of character;

    variable item_name : name;
    variable display : display_string;

    --

    subtype big_endian_upper_halfword is bit_vector(0 to 15);
    subtype little_endian_upper_halfword is bit_vector(31 downto 16);

    variable big : big_endian_upper_halfword;
    variable little : little_endian_upper_halfword;

    -- end of code from book

  begin

    -- error: Incompatible types for assignment
    -- display := item_name;  -- ilegal

    item_name := (others => 'A');

    little := x"AAAA";

    -- code from book:

    display := display_string(item_name);

    --

    big := little;
    little := big;

    -- end of code from book

    wait;
  end process process_04_3_c;


  ----------------


end architecture test;