// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2003 by Wilson Snyder.
// SPDX-License-Identifier: CC0-1.0

module t (/*AUTOARG*/
   // Inputs
   clk
   );

   input clk;
   integer cyc; initial cyc=1;

   supply0 [1:0] low;
   supply1 [1:0] high;

   reg [7:0] isizedwire;
   reg ionewire;

`ifdef never_just_for_verilog_mode
   wire oonewire;		// From sub of t_inst_v2k__sub.v
`endif

   wire [7:0]		osizedreg;		// From sub of t_inst_v2k__sub.v
   wire [1:0]		tied;
   wire [3:0]		tied_also;

   hello hsub (.tied_also);

   // Double underscore tests bug631
   t_inst_v2k__sub sub
     (
      // Outputs
      .osizedreg			(osizedreg[7:0]),
      // verilator lint_off IMPLICIT
      .oonewire				(oonewire),
      // verilator lint_on IMPLICIT
      .tied				(tied[1:0]),
      // Inputs
      .isizedwire			(isizedwire[7:0]),
      .ionewire				(ionewire));

   always @ (posedge clk) begin
      if (cyc!=0) begin
	 cyc <= cyc + 1;
	 if (cyc==1) begin
	    ionewire <= 1'b1;
	    isizedwire <= 8'd8;
	 end
	 if (cyc==2) begin
	    if (low != 2'b00) $stop;
	    if (high != 2'b11) $stop;
	    if (oonewire !== 1'b1) $stop;
	    if (isizedwire !== 8'd8) $stop;
	    if (tied != 2'b10) $stop;
	    if (tied_also != 4'b1010) $stop;
	    $write("*-* All Finished *-*\n");
	    $finish;
	 end
      end
   end

endmodule

module hello(tied_also);
   initial $write ("Hello\n");
   output reg [3:0] tied_also = 4'b1010;

endmodule