From 322d16985686853503cd64c8baf69b2ce4f81c48 Mon Sep 17 00:00:00 2001
From: uvok
Date: Sat, 27 Dec 2025 11:38:25 +0100
Subject: p2s: Testbench all nums

---
 par_to_ser.tb.v | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/par_to_ser.tb.v b/par_to_ser.tb.v
index f80042b..0b7e995 100644
--- a/par_to_ser.tb.v
+++ b/par_to_ser.tb.v
@@ -33,17 +33,22 @@ always #10 clk_i = ~clk_i;
 
 initial begin
   #37
-  dat_i <= 8'b00110010;
-  #13
-  data_valid_i <= 1'b1;
 
-  // clock data in
-  #20
+  for (integer i = 0; i < 255; i++) begin
+    // clock data in
+    dat_i <= i;
+    data_valid_i <= 1'b1;
 
-  // let module do its work
-  data_valid_i <= 1'b0;
+    // wait 1 cycle
+    #20
+    data_valid_i <= 1'b0;
+
+    // let module do its work
+    #200
+    ;
+
+  end
 
-  #500
   $finish();
 end
 
-- 
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