Preventing CGA revisionist history

Tony Duell wrote: Believe me, I feel the same way. I'm just trying to convince a stubborn person. He has digital photos of a 5153 that isn't performing the extra conversion, which is what started this entire mess. I believe the issue is settled with the person in question, so no need to talk about it further. I provided the schematic along with your explanation (credited to you) on http://www.oldskool.org/pc/cgacal and that seems to have put the matter to rest. Regardless, I'm not going to pursue it further (someone humorously referred to me as "charging the CGA windmill" :-), although someday I would like to know *why* IBM went through the trouble. Some engineer has probably taken it to his grave. -- Jim Leonard (trixter at oldskool.org) http://www.oldskool.org/ Help our electronic games project: http://www.mobygames.com/ Or check out some trippy MindCandy at http://www.mindcandydvd.com/ A child borne of the home computer wars: http://trixter.wordpress.com/