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- Path: comma.rhein.de!serpens!not-for-mail
- From: mlelstv@serpens.rhein.de (Michael van Elst)
- Newsgroups: comp.sys.amiga.programmer
- Subject: Re: Demo/game to OS friendly part II
- Date: 8 Jan 1996 04:41:10 +0100
- Organization: dis-
- Message-ID: <4cq3om$j5a@serpens.rhein.de>
- References: <38231819@kone.fipnet.fi> <4cgsn7$ke3@maureen.teleport.com> <38231852@kone.fipnet.fi> <pAWUx*Wha@aargh.incubus.sub.org> <4cpn2c$ong@sunsystem5.informatik.tu-muenchen.de>
- NNTP-Posting-Host: serpens.rhein.de
-
- fischerj@Informatik.TU-Muenchen.DE (Juergen "Rally" Fischer) writes:
-
- >Are gfx-cards also run by OS2.0 users ? I'd like to see a solution
- >also working on pre 3.0
-
- Graphics cards have lots of limitations under OS2.0. Before you had
- to write wild hacks to achieve a specific effect I suggest that you
- use a clean implementation that requires OS3.0 and provide some
- sensible fallbacks (for people using OS2.0 a fallback to native
- graphics is most of the time a valid option).
-
- >I guess there is no efficient way of selecting between different
- >screen-user-copperlists ? (for the 2x2 modi running on chipset).
-
- I don't think so.
-
- >also I see no way of poking horiz shift without getting different
- >positions than the defined overscan.
-
- Not for each scanline. You may achieve similar effects with attached
- viewports.
-
- >and dffstrt/stop :\ also I got to repoke them because they make planes
- >read more than 40 bytes, so my modulo pokes are wrong.
-
- Well, your pokes are most often wrong.
-
- >gives me chips in the state of a default view for any monitor but
- >without prefs. Is this defined or just OS3.0 ?
-
- pokes are hardly 'defined' anywhere.
-
- --
- Michael van Elst
-
- Internet: mlelstv@serpens.rhein.de
- "A potential Snark may lurk in every tree."
-