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From: friedman@topaz.RUTGERS.EDU (Gadi )
Newsgroups: comp.sys.apple
Subject: Re: screen memory question
Message-ID: <7847@topaz.RUTGERS.EDU>
Date: Sun, 14-Dec-86 19:40:59 EST
Article-I.D.: topaz.7847
Posted: Sun Dec 14 19:40:59 1986
Date-Received: Tue, 16-Dec-86 03:24:14 EST
References: <8612101433.AA05626@crash.UUCP>
Organization: Rutgers Univ., New Brunswick, N.J.
Lines: 21

>mdavis@seismo.css.gov@pro-sol.UCSD.EDU (Morgan Davis) writes
>
>however the second 40-column bank doesn't reside at $800-$bff as stated.
>This would have been nice, but would have made the Apple IIe incompatible with
>Applesoft BASIC from the Apple II+ since Applesoft starts your programs at
>$800.  A lot of other non-BASIC software would also be incompatible.

The second 40 column bank DOES reside at $800-$bff, Just try turning
the second page on when still in Text mode, (Or low res graphics).
Sure this is incompatible with Applesoft, thats why its not used much
anymore.  Integer Basic programs were able to use both pages, also, if
you moved your Applesoft program to $4000, you could load in 2 low res
pictures and flip betweem them.  (Animation...).  I doubt that the 
80 column hardware supports the second low-res page.

                                     -Gadi
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