verilator/test_regress/t/t_trace_ena.v
2011-07-24 15:01:51 -04:00

37 lines
680 B
Verilog

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2005 by Wilson Snyder.
module t (/*AUTOARG*/
// Inputs
clk
);
input clk;
integer cyc; initial cyc=1;
// verilator tracing_off
integer b_trace_off;
// verilator tracing_on
integer c_trace_on;
real r;
always @ (posedge clk) begin
if (cyc!=0) begin
cyc <= cyc + 1;
b_trace_off <= cyc;
c_trace_on <= b_trace_off;
r <= r + 0.1;
if (cyc==4) begin
if (c_trace_on != 2) $stop;
end
if (cyc==10) begin
$write("*-* All Finished *-*\n");
$finish;
end
end
end
endmodule