// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain.
// SPDX-FileCopyrightText: 2022 Wilson Snyder
// SPDX-License-Identifier: CC0-1.0

module t (
    input clk
);

  int cyc;

  sub1 #(10) sub1a (.*);
  sub1 #(20) sub1b (.*);

  always @(posedge clk) begin
    cyc <= cyc + 1;
    if (cyc == 10) begin
      $write("*-* All Finished *-*\n");
      $finish;
    end
  end

endmodule

module sub1 #(
    parameter int ADD
) (
    input int cyc
);

  int value;
  always_comb value = cyc + ADD;

  sub2 #(ADD + 1) sub2a (.*);
  sub2 #(ADD + 2) sub2b (.*);
  sub2 #(ADD + 3) sub2c (.*);
endmodule

module sub2 #(
    parameter int ADD
) (
    input int cyc
);

  int value;
  always_comb value = cyc + ADD;
endmodule