module top();// wires to connect top-level moduleswire phi1;wire phi2;wire [1:0] command_s1;wire [4:0] address_s1;wire [22:0] data_s1;wire valid_s1;////////////////////////////////////////////////////////////////////////////////// Module Instantiations////////////////////////////////////////////////////////////////////////////////chip    chip(phi1, phi2, command_s1, address_s1, data_s1, valid_s1);clkgen  clkgen(phi1, phi2);test    test(phi1, phi2, command_s1, address_s1, data_s1, valid_s1);// Magellan system tasksinitial  begin   // Create a dump file for connectivity info after simulation   $ssi_navdbase("nav.dbase", "top.v");   // Changes stored in a VCD file, an ASCII dump of sim results   $dumpvars;  endendmodule // top