 // register signals</pre>
<pre style="background-color: #C0C0C0; margin:0; padding:0 ">  31:   logic           reg_we;</pre>
<pre style="background-color: #C0C0C0; margin:0; padding:0 ">  32:   logic           reg_re;</pre>
<pre style="background-color: #C0C0C0; margin:0; padding:0 ">  33:   logic [AW-1:0]  reg_addr;</pre>
<pre style="background-color: #C0C0C0; margin:0; padding:0 ">  34:   logic [DW-1:0]  reg_wdata;</pre>
<pre style="background-color: #C0C0C0; margin:0; padding:0 ">  35:   logic [DBW-1:0]