ass="c">! set the VIEWPORTQ() ARRAY</span>
<span class="w">   </span><span class="k">call </span><span class="n">dl_viewport</span><span class="p">(</span><span class="o">-</span><span class="mi">99</span><span class="mf">9.0</span><span class="p">,</span><span class="mi">99</span><span class="mf">9.0</span><span class="p">,</span><span class="o">-</span><span class="mi">99</span><span class="mf">9.0</span><span class="p">,</span><span class="mi">99</span><span class="mf">9.0</span><span class="p">)</span><