This Codespace provides a ready-to-use synthesis and timing analysis setup on Ubuntu 22.04, with both terminal and GUI (noVNC) access.

1. Go to the GitHub repository: https://github.com/vsdip/vsd-tcl
2. Click “Code” → “Open with Codespaces” to launch the environment in your browser.

Once the Codespace opens, go to the TERMINAL tab and run:

OpenTimer

or

yosys

Exit anytime using exit.

1. In your Codespace, open the PORTS tab.

2. Find the forwarded port named noVNC Desktop (6080).

3. Click the forwarded URL.

4. On the web page, select vnc_lite.html to open the XFCE desktop.

5. Inside the desktop terminal, run:

   OpenTimer
   yosys

The design files are available under the folder: /workspaces/vsd-tcl as shown in the image below:

OpenTimer -h
yosys -V

Both commands should display version information.