// Copyright 2011 Altera Corporation. All rights reserved. // Altera products are protected under numerous U.S. and foreign patents, // maskwork rights, copyrights and other intellectual property laws. // // This reference design file, and your use thereof, is subject to and governed // by the terms and conditions of the applicable Altera Reference Design // License Agreement (either as signed by you or found at www.altera.com). By // using this reference design file, you indicate your acceptance of such terms // and conditions between you and Altera Corporation. In the event that you do // not agree with such terms and conditions, you may not use the reference // design file and please promptly destroy any copies you have made. // // This reference design file is being provided on an "as-is" basis and as an // accommodation and therefore all warranties, representations or guarantees of // any kind (whether express, implied or statutory) including, without // limitation, warranties of merchantability, non-infringement, or fitness for // a particular purpose, are specifically disclaimed. By making this reference // design file available, Altera expressly does not recommend, suggest or // require that this reference design file be used in combination with any // other product not provided by Altera. ///////////////////////////////////////////////////////////////////////////// module gearbox_33_32_tb (); reg clk,arst; reg [32:0] din = 0; wire din_ready; wire [31:0] dout; gearbox_33_32 dut ( .* ); integer n; wire [32:0] recovered; wire recovered_valid; reg din_slip; initial begin din_slip = 1'b1; for (n=0; n<34; n=n+1) begin @(negedge clk); end din_slip = 1'b0; end gearbox_32_33 dut_b ( .clk,.arst, .din(dout), // bit 0 is sent first .din_valid(1'b1), .din_slip(din_slip), // drop bit 0 of the current din .dout(recovered), // bit 0 is sent first .dout_valid(recovered_valid) ); always @(posedge clk) begin if (din_ready) din <= din + 1'b1; end //////////////////////////////////// // clock driver always begin #5 clk = ~clk; end initial begin clk = 0; arst = 0; #1 arst = 1'b1; @(negedge clk) arst = 1'b0; end endmodule