tb: Add dumpfilename macro

1 files changed, 7 insertions, 1 deletions

diff --git a/led_toggle_bouncy.tb.v b/led_toggle_bouncy.tb.v
index 37aa95b..78fb06d 100644
--- a/led_toggle_bouncy.tb.v
+++ b/led_toggle_bouncy.tb.v
@@ -14,11 +14,17 @@ led_toggle_bouncy uut(
   .led(led)
 );
 
+string filename;
 initial begin
   clk_i <= 0;
   key_i <= 1'b1;
 
-  $dumpfile("led_toggle_bouncy.lxt2"); $dumpvars();
+`ifdef DUMP_FILE_NAME
+  filename=`DUMP_FILE_NAME;
+`else
+  filename="led_toggle_bouncy.lxt2";
+`endif
+  $dumpfile(filename); $dumpvars();
 end
 
 always #10 clk_i = ~clk_i;