     </div>
        <div class="sidebar-item" onclick="loadModule('gpu')">
          GPU Emulation
        </div>
        <div class="sidebar-item" onclick="loadModule('memory')">
          Memory Management
        </div>
        <div class="sidebar-item" onclick="loadModule('color')">
          Color Management
        </div>
        <div class="sidebar-item" onclick="loadModule('io')">I/O Subsystem</div>
        <div class="sidebar-item" onclick="loadModule('assembler')">
          6510 Assembler
       