entity ch_20_07 is end entity ch_20_07; ---------------------------------------------------------------- architecture test of ch_20_07 is component multiplier is end component multiplier; type length is range 0 to integer'high units nm; um = 1000 nm; mm = 1000 um; mil = 25400 nm; end units length; type coordinate is record x, y : length; end record coordinate; type orientation_type is (up, down, left, right); attribute cell_allocation : string; attribute cell_position : coordinate; attribute cell_orientation : orientation_type; -- code from book: attribute cell_allocation of mult : label is "wallace_tree_multiplier"; attribute cell_position of mult : label is ( 1200 um, 4500 um ); attribute cell_orientation of mult : label is down; -- end of code from book begin mult : component multiplier; end architecture test; <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>