verilator_example_tracing: dump value change

1 files changed, 15 insertions, 0 deletions

diff --git a/verilator_example_tracing/hello.v b/verilator_example_tracing/hello.v
new file mode 100644
index 0000000..a62addb
--- /dev/null
+++ b/verilator_example_tracing/hello.v
@@ -0,0 +1,15 @@
+module hello(input clk);
+	reg [31:0]	i = 0;
+	initial begin
+		$display("start");
+		$dumpfile("dump.vcd");
+		$dumpvars();
+	end
+	always @(posedge clk) begin
+		if (i == 1000) begin
+			$display("stop");
+			$finish;
+		end
+		i <= i+1;
+	end
+endmodule