Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!sdd.hp.com!elroy.jpl.nasa.gov!ncar!midway!mimsy!mojo!russotto
From: russotto@eng.umd.edu (Matthew T. Russotto)
Newsgroups: comp.sys.apple2
Subject: Re: Stellar 7 re-release
Message-ID: <1991Jan5.044304.12147@eng.umd.edu>
Date: 5 Jan 91 04:43:04 GMT
References: <60237@microsoft.UUCP> <1991Jan3.065643.24082@nntp-server.caltech.edu> <10019@pasteur.Berkeley.EDU>
Sender: news@eng.umd.edu (C-News)
Organization: College of Engineering, Maryversity of Uniland, College Park
Lines: 19

In article <10019@pasteur.Berkeley.EDU> benji@euler.Berkeley.EDU (Benji Rudiak-Gould) writes:
>In article <1991Jan3.065643.24082@nntp-server.caltech.edu> toddpw@nntp-server.caltech.edu (Todd P. Whitesel) writes:
>
>>also, 3200 pictures cannot use scan line interrupts on every line. there isn't
>>enough time once you count the interrupt manager overhead. you can use a few
>>(I believe dreamgraphix's 3200-sluggish edit mode does that) but not all of
>>them at once.
>
>Then why are 3200-color pictures called that?  If you can only have an
>interrupt every other line, say, then the most that can be managed is 1600
>colors.  Dreamgraphix is doing something besides just displaying the
>picture, so I can see the problem there, but an ordinary display program
>should be able to get all 3200 colors.

Well, you can interrupt once every 16 lines--- since you have 16 palettes,
this is all you need to do.
--
Matthew T. Russotto	russotto@eng.umd.edu	russotto@wam.umd.edu
     .sig under construction, like the rest of this campus.