mirror of
https://github.com/verilator/verilator.git
synced 2025-01-10 00:27:35 +00:00
40 lines
729 B
Coq
40 lines
729 B
Coq
|
// $Id:$
|
||
|
// DESCRIPTION: Verilator: Verilog Test module
|
||
|
//
|
||
|
// This file ONLY is placed into the Public Domain, for any use,
|
||
|
// without warranty, 2004 by Wilson Snyder.
|
||
|
|
||
|
module t (/*AUTOARG*/
|
||
|
// Inputs
|
||
|
clk
|
||
|
);
|
||
|
|
||
|
input clk;
|
||
|
integer cyc; initial cyc=1;
|
||
|
|
||
|
reg [31:0] a, b, c;
|
||
|
|
||
|
always @ (/*AS*/a or b) begin
|
||
|
// verilator lint_off COMBDLY
|
||
|
c <= a | b;
|
||
|
// verilator lint_on COMBDLY
|
||
|
end
|
||
|
|
||
|
always @ (posedge clk) begin
|
||
|
if (cyc!=0) begin
|
||
|
cyc<=cyc+1;
|
||
|
if (cyc==1) begin
|
||
|
a <= 32'hfeed0000;
|
||
|
b <= 32'h0000face;
|
||
|
end
|
||
|
if (cyc==2) begin
|
||
|
if (c != 32'hfeedface) $stop;
|
||
|
end
|
||
|
if (cyc==7) begin
|
||
|
$write("*-* All Finished *-*\n");
|
||
|
$finish;
|
||
|
end
|
||
|
end
|
||
|
end
|
||
|
endmodule
|