TheRasteri | EGA/VGA Graphics Deep Dive @TheRasteri | Uploaded April 2020 | Updated October 2024, 3 hours ago.
We build a circuit using EEPROM Logic to explore the 15KHz low-res and 21KHz hi-res EGA modes of my Amstrad PC1640 with a GBS-8200.

Also we investigate adding a VGA card, and then try dual monitors with Borland C++!

EEPROM spreadsheet : drive.google.com/open?id=1eG9gBxfyIzEzt-NOiG1e4pIn3YRW7kgXszLJ7RIxBLk

Buy Planet X3 here - the8bitguy.com/product/planet-x3-for-ms-dos-computers

My previous video - youtube.com/watch?v=kHhpTq-WSJk

Ben Eater's ROM logic video - youtube.com/watch?v=BA12Z7gQ4P0