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// 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;
// verilator lint_off GENCLK
reg [7:0] cyc; initial cyc=0;
reg genclk;
// verilator lint_off MULTIDRIVEN
reg [7:0] set_both;
// verilator lint_on MULTIDRIVEN
wire genthiscyc = ( (cyc % 2) == 1 );
always @ (posedge clk) begin
cyc <= cyc + 8'h1;
genclk <= genthiscyc;
set_both <= cyc;
$write ("SB set_both %x <= cyc %x\n", set_both, cyc);
if (genthiscyc) begin
if (cyc>1 && set_both != (cyc - 8'h1)) $stop;
end
else begin
if (cyc>1 && set_both != ~(cyc - 8'h1)) $stop;
end
if (cyc==10) begin
$write("*-* All Finished *-*\n");
$finish;
end
end
always @ (posedge genclk) begin
set_both <= ~ set_both;
$write ("SB set_both %x <= cyc %x\n", set_both, ~cyc);
if (cyc>1 && set_both != (cyc - 8'h1)) $stop;
end
endmodule
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