verilator/test_v/t_func.v
Wilson Snyder ce10dbd11c Version bump
git-svn-id: file://localhost/svn/verilator/trunk/verilator@753 77ca24e4-aefa-0310-84f0-b9a241c72d87
2006-08-26 11:35:28 +00:00

48 lines
997 B
Verilog

// $Id:$
// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2003 by Wilson Snyder.
module t_func (/*AUTOARG*/
// Outputs
passed,
// Inputs
clk
);
// surefire lint_off _NETNM
// surefire lint_off STMINI
input clk;
output passed; reg passed; initial passed = 0;
integer _mode; initial _mode = 0;
wire [2:0] b3; reg [2:0] g3;
wire [5:0] b6; reg [5:0] g6;
t_func_grey2bin #(3) g2b3 (.b(b3), .g(g3));
t_func_grey2bin #(6) g2b6 (.b(b6), .g(g6));
always @ (posedge clk) begin
if (_mode==0) begin
_mode <= 1;
$write("[%0t] t_func: Running\n",$time);
g3 <= 3'b101;
g6 <= 6'b110101;
end
else if (_mode==1) begin
if (b3 !== 3'b110) $stop;
if (b6 !== 6'b100110) $stop;
$write("[%0t] t_func: Passed\n",$time);
passed <= 1'b1;
_mode <= 2;
end
end
endmodule
// Local Variables:
// compile-command: "./vlint __FILE__"
// End: