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- 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: 6 Jan 1996 19:51:04 GMT
- Organization: Technische Universitaet Muenchen, Germany
- Distribution: world
- Message-ID: <4cmjr8$21c@sunsystem5.informatik.tu-muenchen.de>
- References: <john.hendrikx.43ww@grafix.xs4all.nl>
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-
- John Hendrikx (john.hendrikx@grafix.xs4all.nl) wrote:
- : In a message of 03 Jan 96 "jyrki Saarinen" wrote to All:
-
- : jS> 1) Let us assume I am doing a demo or a game. In a demo,
- : jS> I am displaying a 320x128 screen for a effect, then
-
- is 320x128 possible with dblscan ? if so what will it do on dblpal ?
- how to vertically double..
-
- : None that I would find acceptable. Changing the copper-list is definitely out
- : of the question. I suppose the best way would be to let the user chose the
-
- mhm not really definitely. if user agrees with aga+pal, you can do special
- things.
- PROBLEMS:
- I guess there is no way to get blitterscreen display,
- i.e. bplcon2/PlaneXptr poked, in all AGA-modi and according to overscan prefs?
-
- I copjmp2 to my own copperlist in a screens ucopl. If I do this at
- beginning of my ucopl, coustom registers are set to a view not reflecting
- the overscan prefs. I guess they also are in PAL ? or does this
- "bevore all vports" coplist already set up for right monitor ?
-
- : screen-mode and use that for everything (scaling down the graphics if
- : necessary). I believe DOOM does this too, if you use 2x1 mode (lo-detail) the
- : overlayed text and the weapons also become low-detail.
- because it got no alternatives for getting 2x1.
- AGA got 2, blitterscreen and lores mode on dblpal, but how to make
- it OS-compliant ???
-
- : jS> 2) Copper tricks are not possible, I presume. I want CyberGraphX
- : jS> support, too.
-
- : Correct, no CopperScreens.
- it's not illegal, they're just useless as long as you don't go beyond
- 2x2.
-
- : jS> 3) Sprite masking in Blitterscreen in out of the question.
-
- : Definitely.
-
- : jS> 6) Do AddIntServer/SetIntVector work on DraCo?
-
- : I see no reason why not, the DraCo after all still uses a 680x0 processor.
-
- : jS> 7) What about sound and DraCo?
-
- : You could try using audio.device and no hardware-banging, although I have no
- : idea if DraCo has an audio.device replacement (but I would assume it has).
-
- : Grtz John
-
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- : John.Hendrikx@grafix.xs4all.nl TextDemo/FastView/Etc... development
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