[Coco] Dumb OS9 graphics question

[Allen Huffman]

On Apr 4, 2013, at 7:00 AM, Robert Gault <robert.gault at att.net> wrote:

> Unless you want to hijack the entire OS-9 system and possibly require a reboot after ending your program, hardware manipulation is best left to OS-9 itself. That means you should use CoVDG for working with Pmode type screens.

Years ago, I believe it was Robert who provided me sample code to get access to the CoCo 3 hi-res screens under stock OS-9 so I could write my Space Invaders style game, Invaders09.

Where did "CoVDG" come from? What happened to VDGINT?

		-- Allen