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: 4 Jan 1996 19:24:45 GMT
- Organization: Technische Universitaet Muenchen, Germany
- Distribution: world
- Message-ID: <4ch9ht$hpf@sunsystem5.informatik.tu-muenchen.de>
- References: <38231819@kone.fipnet.fi>
- NNTP-Posting-Host: hphalle5.informatik.tu-muenchen.de
- X-Newsreader: TIN [version 1.2 PL2]
-
- Jyrki Saarinen (jsaarinen@kone.fipnet.fi) wrote:
-
- : Last time, when I asked these questions, it just became
- : something else than helpful. Let us hope this time
-
- ;) No I won't tell my thoughts about prejudices now ;)
-
- : I dont want to close the 320x128 screen and open a 640x256 one.
- : Any solutions?
-
- well, the only solution on gfx-card (without open/close) would be
- zooming the 320x128 pic onto the 640x256 screen ;)
-
- I'd just open a 320x256 (20x20 ?) 1 plane screen to get black display
- using little mem. Now close the 320x128 and then open the 640x256.
- I guess mem was the prob ?
-
- : 3) Sprite masking in Blitterscreen in out of the question.
- booh! war! :) ;)
- blitterscreen assumes AGA present. so what's the problem with the
- sprites ?
-
- Is this legal:
- In a user coperlist I direct copper to my own copperlist via copjmp2 to
- get copper controll (modifiable copperlist). The question is if future
- OSes won't use copjmp2 in a unexpected way ?
-
- what about switching between ucopls on OS3.0 ? AFAIK on V1.2 - V2.0 (?)
- no chance without needing MrgCop. etc.
- but then I can assume copjmp2 isn't used up to OS3.0 ?
-
- : 4) I guess I have to make a selector, CyberGraphX or native
- : Amiga chipset. Is there a way to check is the opened
-
- I would do an .rc file. selecting is more variable than testing OS flags.
- AGA specific code might work on a future chipset or not. you can't
- determine that today (anyway this would only be important if AGA+ still
- would have no chunky mode).
-
- : 5) How I can open a 320x128 screen that works promoted, too?
- how you get the x128 ? Is there a OSy way ?
-
- : In my recent demo, I used QBlit() and OS interrupt setting
- aurora ? please do such hi fps again!
-
- : functions. I had to rape INTENA-register because AUD0-
- : interrupt was not enabled by default when I setted my
- : own AUD0 interrupt.
-
- we should ask the fellow that wrote the OS-mod-player for a
- executable. His package only got sources.
-
- : -- _
- : a Stellar programmer _ //
- : "Amiga - back for the future" \X/
- ------------------------------------------------------------------------
- fischerj@Informatik.TU-Muenchen.DE (Juergen "Rally" Fischer) =:)
-