Re: Launching programs from ProDOS

["Jeff Blakeney" <jeff.blakeney@a2central.com.remove-8qz-this>]

  To: Michael J. Mahon
On Tue, 6 Feb 2007 18:19:21 -0800, "Michael J. Mahon"
<mjmahon@aol.com> wrote:

>This POKEs the first byte of the bitmap so that pages 0 and 1 are still
>"protected", but $200..$7FF is "free" (192 = $C0 = 1100 0000).

Yeah, it just deprotects the memory from $400-$7FF, which is the text
screen memory.  Some DOS 3.3 programs load themselves into the text
screen memory because they are only using the high res screen for
display.

-- 
Jeff Blakeney
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