tb: Add dumpfilename macro

1 files changed, 7 insertions, 1 deletions

diff --git a/ser_to_par.tb.v b/ser_to_par.tb.v
index a613c2e..eb45094 100644
--- a/ser_to_par.tb.v
+++ b/ser_to_par.tb.v
@@ -15,8 +15,14 @@ ser_to_par uut(
   .dat_o(dat_o)
 );
 
+string filename;
 initial begin
-  $dumpfile("ser_to_par.lxt2"); $dumpvars();
+`ifdef DUMP_FILE_NAME
+  filename=`DUMP_FILE_NAME;
+`else
+  filename="ser_to_par.lxt2";
+`endif
+  $dumpfile(filename); $dumpvars();
   clk_i <= 0;
   rst_i <= 1'b1;
   dat_i <= 1'b1;