1 files changed, 15 insertions, 17 deletions
diff --git a/led_toggle_bouncy.tb.v b/led_toggle_bouncy.tb.v
index 222879b..7999454 100644
--- a/led_toggle_bouncy.tb.v
+++ b/led_toggle_bouncy.tb.v
@@ -3,10 +3,9 @@
 module led_toggle_bouncy_tb (
 );
 
-reg clk_i;
-reg key_i;
-wire [5:0] led;
-integer i = 0;
+logic clk_i;
+logic key_i;
+logic [5:0] led;
 
 led_toggle_bouncy uut(
   .clk_i(clk_i),
@@ -16,37 +15,36 @@ led_toggle_bouncy uut(
 
 string filename;
 initial begin
-  clk_i <= 0;
-  key_i <= 1'b1;
-
 `ifdef DUMP_FILE_NAME
   filename=`DUMP_FILE_NAME;
 `else
   filename="led_toggle_bouncy.lxt2";
 `endif
   $dumpfile(filename); $dumpvars();
+
+  clk_i = 0;
+  key_i = 1'b1;
 end
 
 always #10 clk_i = ~clk_i;
 
-
 initial begin
   // initial key press
-  #25
-  key_i <= ~key_i;
-  #40
-  key_i <= ~key_i;
+  @(negedge clk_i);
+  key_i = ~key_i;
+  repeat(2) @(negedge clk_i);
+  key_i = ~key_i;
 
   // try bouncing
 
-  #50
+  repeat(2) @(negedge clk_i);
 
-  for (i=0; i < 20; i = i + 1) begin
-    #20
-    key_i <= ~key_i;
+  for (integer i=0; i < 20; i = i + 1) begin
+    @(negedge clk_i);
+    key_i = ~key_i;
   end
 
-  #105
+  repeat(5) @(negedge clk_i);
   $finish();
 end