[stella] Earliest safe write to PF1 for asymmetrical playfield?

[Glenn Saunders]

--- On Sat, 7/5/08, seagtgruff at aol.com <seagtgruff at aol.com> wrote:
> What I found is that the
> playfield pixels will *not* change partway through the
> display-- i.e., you will get either the old value or the

That isn't the case in the midpoint of the screen at least.  That's where I've been able to see a "sliver" of extra pixel.