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 00:46:41 GMT
- Organization: Technische Universitaet Muenchen, Germany
- Distribution: world
- Message-ID: <4deshh$mpj@sunsystem5.informatik.tu-muenchen.de>
- References: <38231819@kone.fipnet.fi> <4cgsn7$ke3@maureen.teleport.com> <38231852@kone.fipnet.fi> <pAWUx*Wha@aargh.incubus.sub.org> <4cpn2c$ong@sunsystem5.informatik.tu-muenchen.de> <4cq3om$j5a@serpens.rhein.de> <4csu3p$oa6@sunsystem5.informatik.tu-muenchen.de> <4cu1jn$1n7@serpens.rhein.de> <4cv7mb$dn6@sunsystem5.informatik.tu-muenchen.de> <4d0k83$atl@serpens.rhein.de> <4d6am7$i9k@sunsystem5.informatik.tu-muenchen.de> <4ddhou$7qu@serpens.rhein.de>
- NNTP-Posting-Host: hphalle5.informatik.tu-muenchen.de
- X-Newsreader: TIN [version 1.2 PL2]
-
- Michael van Elst (mlelstv@serpens.rhein.de) wrote:
- : fischerj@informatik.tu-muenchen.de (Juergen "Rally" Fischer) writes:
-
- : >aeh :) I mean, the videocontroll just changes bplcon to get it
- : >non-dualpf, but the OS still handles it as dualpf ?
-
- : It is still treated as two bitmaps.
-
- not by the hardware, I guess ;)
-
-
- : >yes, I read scrollvport, which said to poke the x and y.
- : >so where's x2 and y2 ?
-
- : Read the section about dual-playfield screens.
-
- It tells there are 2 tmpras chained together, as there is no
- next * I guess I got to just put 2 struc tmpras sequential in mem ?
-
- : >no idea about _what_ ? ;)
-
- : About the fact that this setup does exactly what you want.
-
- the setup doesn't chaging $102 every scanline. the one that would does make
- a blank each 2nd line, you said.
-
- : >written each scanline to get ghost-look. I know that only stripe look
- : >is possible without this.
-
- : You assume that _this_ is what you want to it to be.
-
- wait a minute.
- a) you know a way to get ghost look without changing $102 every scanline.
- b) you want to tell me I don't know what I want.
-
- which of both ? ;)
- well, b), I need blitterscreen "last pass by planes" setup. additional
- I need ghost-look.
-
- : >So may I interpret this answer as "there is a way to get all 8 for my
- : >screen" ? which way ?
-
- : I don't know offhand.
- ah, there is one.
-
- mhm anyway I only need the 8 sprites for the special case: AGA&(PAL|NTSC),
- so after checking I can just rape the sprites.
-
- : --
- : Michael van Elst
-
- : Internet: mlelstv@serpens.rhein.de
- : "A potential Snark may lurk in every tree."
- ------------------------------------------------------------------------
- fischerj@Informatik.TU-Muenchen.DE (Juergen "Rally" Fischer) =:)
-