Re: Color fringe hires behavior

["BLuRry" <brendan.robert@gmail.com>]

> And, there's more to explain about this concerning those half-pixel
> artifacts at the left edge of the screen.  Sather talks about those in
> quite some detail.

Ah, good point.  I should read that furnished material a little more.

> Yeah, I can see now how some pseudo code or a flow chart _might_ help
> with "explaining" this.  But, coding in English can be a good place to
> start.

True.  But ultimately, I'm going to generate a lookup chart
(dynamically generated as needed or pre-generated based on observation,
either way) to make my code as efficient as possible.

> I never thought this before but filling the HGR screen with the pattern
> of 7F FF (or FF 7F) may produce colored vertical lines.  I wish I had
> my real Apple II to test some of this out on.

It's possible -- but more than likely you'll just see white.  I'll have
to give that a shot when I get home on Friday.

I found something summarizing some of the behavior (and the odd fringe
that can appear on the left side...)

http://www.lazilong.com/apple_II/a2pix/dgr1.htm