; padding:0 ">  65:   // FIFO signal in case OutStand is greater than 1</pre>
<pre style="margin:0; padding:0 ">  66:   // If request is latched, {write, source} is pushed to req fifo.</pre>
<pre style="margin:0; padding:0 ">  67:   // Req fifo is popped when D channel is acknowledged (v & r)</pre>
<pre style="margin:0; padding:0 ">  68:   // D channel valid is asserted if it is write request or rsp fifo not empty if read.</pre>
<pre style="background-color: #C0C0C0; margin:0; padding:0 ">  69:   logic reqf