0C0; margin:0; padding:0 "> 137:         if (!ack_level) begin</pre>
<pre style="background-color: #C0C0C0; margin:0; padding:0 "> 138:           state_d = Pause0;</pre>
<pre style="margin:0; padding:0 "> 139:         end</pre>
<pre style="margin:0; padding:0 "> 140:       end</pre>
<pre style="margin:0; padding:0 "> 141:       // pause cycles between back-to-back handshakes</pre>
<pre style="background-color: #C0C0C0; margin:0; padding:0 "> 142:       Pause0: state_d = Pause1;</pre>
<pre style="background-