Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!uwmcsd1!marque!uunet!mcvax!unido!quando!wallmann
From: wallmann@quando.UUCP (Natuerlich!)
Newsgroups: comp.sys.atari.st
Subject: Re: Questions about ST Video Ram
Keywords: 256 byte alignment, video ram size
Message-ID: <578@quando.UUCP>
Date: 29 Aug 88 11:29:57 GMT
References: <535@skywest.UUCP> <2884@bath63.ux63.bath.ac.uk> <12@usl-pc.usl.edu> <657@uhnix2.uh.edu> <773@philmds.UUCP>
Reply-To: wallmann@quando.UUCP (Natuerlich!)
Organization: Natuerlich!'s Software Vault #6 --- Quantum
Lines: 11


>B.T.W. What I've seen from the initialization of the screen memory seems
>to imply that the start of the physical screen is always taken to be
>physical RAMtop minus 32K. So there's always a waste of 768 bytes at the
>top of RAM. To be used whatfor? A program? Some data? Any suggestions?
>
>                         Leo.


A certain resident RAMdisk makes use of that area (and maybe some bothersome
virusses as well.)