verilator/test_regress/t/t_interface_star.v
2017-06-20 18:40:18 -04:00

42 lines
704 B
Verilog

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2017 by Wilson Snyder.
module t (/*AUTOARG*/
// Inputs
clk
);
input clk;
integer cyc=1;
counter_io c_data();
counter_ansi c1 (.clk, .*);
always @ (posedge clk) begin
cyc <= cyc + 1;
if (cyc==20) begin
if (c_data.value != 12345) $stop;
$write("*-* All Finished *-*\n");
$finish;
end
end
endmodule
interface counter_io;
integer value;
endinterface
module counter_ansi
(
input clk,
counter_io c_data
);
always_ff @ (posedge clk) begin
c_data.value <= 12345;
end
endmodule : counter_ansi