home *** CD-ROM | disk | FTP | other *** search
- Path: informatik.tu-muenchen.de!fischerj
- From: fischerj@Informatik.TU-Muenchen.DE (Juergen "Rally" Fischer)
- Newsgroups: comp.sys.amiga.programmer
- Subject: Re: Demo/game to OS friendly part II
- Date: 16 Jan 1996 01:00:26 GMT
- Organization: Technische Universitaet Muenchen, Germany
- Distribution: world
- Message-ID: <4detba$mpj@sunsystem5.informatik.tu-muenchen.de>
- References: <38231819@kone.fipnet.fi> <DL2FMo.Doq@wiloyee.shnet.org>
- NNTP-Posting-Host: hphalle5.informatik.tu-muenchen.de
- X-Newsreader: TIN [version 1.2 PL2]
-
- chaos@wiloyee.shnet.org wrote:
-
- : i think you make a big mistake!
- : ===============================
-
- : do you really call it OS compatible coding if you use all hacks you can
- : think of to imitate a blitterscreen with the OS? Would you call a programm
- : that
-
- : - uses dual playfield to shift odd planes different then even
- : - uses sprites to mask out some undesired pixels
- : - uses blitter to do C2P
-
- : OS compatible? Is there ONE computer that will be able to run such a
- : program, that will fail to run the same using hardware banging? And it there
-
- well, seems that vports can be emulated.
- The joke is: the OS-version seems to not work on AGA :D (getting $102
- changed each scanline just by using vports)
- : will be the AAA Power Amiga, do you really want to use a blitterscreen on
- : such a computer?
-
- AAA or AGA+ not beeing AGA will result in using same routines like for
- chunky gfx-cards.
-
- the only sad case would be AGA+ having not chunky mode, so user selection
- of c2p or writep.arr.8 would be best ;)
-
- : My advice:
- : ----------
-
- : - Check for AGA hardware
- : - if there is AGA, ECS hardware, BANG IT!
-
- yep. If it is in PAL mode. dblscan modi make problems when not
- having specially programmed for them.
-
- : - if there isn't, use one of the C2P routines from the OS.
- well, which hopefully then rather copy than c2p.
-
- : This way you will get a system that runs on maximum speed for all Amigas
- : with Amiga chipset, and with maximum speed for all Graphics cards (I doupt
- : that there is a single gfx cards that uses planar modes).
-
- There are gfx-cards that got planar-to-chunky converters! :)
-
- : And please stop perverting the OS, although it is fun to tell all KEWL
- : C0DERS that they can access each piece of the hardware by the OS. This is
-
- yes, it seems to be real fun ;)
-
- : simply WRONG and works only on REAL (Amiga Chipset) Amigas.
-
- yes, some things really can't be done.
-
- : Dierk "Chaos" Ohlerich.
- ------------------------------------------------------------------------
- fischerj@Informatik.TU-Muenchen.DE (Juergen "Rally" Fischer) =:)
-