I recently thought it would be nice to have a picture of every video mode a Color Computer could produce. So I wrote a program to make it easy to do that. You can find this program over on github. I have also taken the time to make videos of the four major implementations of the CoCo SAM/VDG: <a href="https://archive.org/details/siz-cc-1"><a href="https://archive.org/details/siz-cc-1">https://archive.org/details/siz-cc-1</a></a> <a href="https://archive.org/details/siz-cc-2b_202408"><a href="https://archive.org/details/siz-cc-2b_202408">https://archive.org/details/siz-cc-2b_202408</a></a> <a href="https://archive.org/details/siz-cc-3-86"><a href="https://archive.org/details/siz-cc-3-86">https://archive.org/details/siz-cc-3-86</a></a> <a href="https://archive.org/details/siz-cc-3-87"><a href="https://archive.org/details/siz-cc-3-87">https://archive.org/details/siz-cc-3-87</a></a>