It's a thing people still do to this day, especially to use with game consoles modified to output RGB directly. https://shmups.system11.org/viewtopic.php?t=5615

It's a thing people still do to this day, especially to use with game consoles modified to output RGB directly. https://shmups.system11.org/viewtopic.php?t=56155 https://shmups.system11.org/viewtopic.php?t=56155