Um, why? 1990's board configuration (VGA, RS 232, etc). While I happen to like FORTH, surely this would be cheaper and more effective and more usable on a Raspb

Um, why? 1990's board configuration (VGA, RS 232, etc). While I happen to like FORTH, surely this would be cheaper and more effective and more usable on a Raspberry Pi or similar? FORTH is still available, actually a nice language for driving instrments, but at least you get full color HDMI etc. And all of the Linux goodies.