// // Copyright 2011 Ettus Research LLC // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see . // module mult (input clock, input signed [15:0] x, input signed [15:0] y, output reg signed [30:0] product, input enable_in, output reg enable_out ); always @(posedge clock) if(enable_in) product <= #1 x*y; else product <= #1 31'd0; always @(posedge clock) enable_out <= #1 enable_in; endmodule // mult