entity XYZ3000_cpu is port ( clock : in bit; addr_data : inout bit_vector(31 downto 0); other_port : in bit := '0' ); end entity XYZ3000_cpu; architecture full_function of XYZ3000_cpu is begin end architecture full_function; entity memory_array is port ( addr : in bit_vector(25 downto 0); other_port : in bit := '0' ); end entity memory_array; architecture behavioral of memory_array is begin end architecture behavioral; -- code from book library chips; configuration intermediate of single_board_computer is for structural for cpu : processor use entity chips.XYZ3000_cpu(full_function) port map ( clock => clk, addr_data => a_d, -- . . . ); -- not in book other_port => open ); -- end not in book end for; for main_memory : memory use entity work.memory_array(behavioral); end for; for all : serial_interface use open; end for; -- . . . end for; end configuration intermediate; -- end code from book <div align="center"><br /><script type="text/javascript"><!-- google_ad_client = "pub-7293844627074885"; //468x60, Created at 07. 11. 25 google_ad_slot = "8619794253"; google_ad_width = 468; google_ad_height = 60; //--></script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script><br /> </div>