Full Color Graphics in DOS on a DEC Rainbow!

Описание: The Rainbow is a bit of a misnomer in that out of the box, it isn’t actually capable of color graphics. However, there was a color graphics card available for the machine, and it just so happens this machine has one installed. But, color graphics do us no good if the monitor is purely monochrome. Enter the Princeton Ultrasync. Let’s see if we can hook this unknown monitor up to DEC Rainbow and get some colors going!

For more information on the Rainbow pinout, check out these links:
https://www.larosse.net/pc100/VR241.html
https://www.larosse.net/pc100/dec100-...

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Intro Music adapted from:
Artist: The Runaway Five
Title: The Shinra Shuffle
https://ocremix.org/remix/OCR01847

Thanks for watching!

Chapters
0:00 Rainbow? More like Monochomebow, amiright!
4:26 Our comparison program
5:57 The Princeton Ultrasync
8:48 Reverse Engineering the DB25 pinout
11:50 Building the cable
13:27 Let’s give it a test
14:33 Can you use a computer blind? Sure!
16:48 Testing it proper
18:51 Nothing is ever this easy, but I’ll take it!
20:52 Koma-san!