NetNews Offline 2/NetNews Offline Volume 2.iso/news/comp/sys/amiga/programmer/4817

Internet Message Format | 1996-08-05 | 3.7 KB

Path: informatik.tu-muenchen.de!fischerj
From: [e-mail] (Juergen "Rally" Fischer)
Newsgroups: comp.sys.amiga.programmer
Subject: Re: doubling pixels horizontally
Date: 5 Mar 1996 14:10:14 GMT
Organization: Technische Universitaet Muenchen, Germany
Distribution: world
Message-ID: <4hhi06$[e-mail]>
References: <4f4ibc$[e-mail]> <[e-mail]><[e-mail]><4faoe1$[e-mail]><[e-mail]><[e-mail]><[e-mail]><[e-mail]><[e-mail]>   <[e-mail]> <4gbkq8$[e-mail]>  <[e-mail]> <4h4go6$[e-mail]>
 <[e-mail]>
NNTP-Posting-Host: hphalle6g.informatik.tu-muenchen.de
Originator: [e-mail]


In article <[e-mail]>, [e-mail] (Ludvig Pedersen) writes:
|> Organization: Dept. of Informatics, University of Oslo, Norway
|> Lines: 44
|> Message-ID: <[e-mail]>
|> References: <4f4ibc$[e-mail]> <[e-mail]><[e-mail]><4faoe1$[e-mail]><[e-mail]><[e-mail]><1257.6614T57T922|> @vip.cybercity.dk><[e-mail]><[e-mail]>
|>      <[e-mail]> <4gbkq8$[e-mail]>
|>     <[e-mail]> <4h4go6$[e-mail]>
|> NNTP-Posting-Host: gymir.ifi.uio.no
|> X-Newsreader: THOR 2.22 (Amiga;TCP/IP)
|>
|> >|> No big deal. And you already know how the modulo registers work in
|> >|> double-scan mode.
|> >It is always a big deal to write code on paper! problemo!
|> >I got no multisync ;)
|> I know!
|>
|> >|>
|> >|> >Afaik no way to get it OSy.
|> >|> When you have already hacked out FMODE and MODULOs. You don't need to do
|> >|> more hacking to make it work in multisync.
|> >BTW you need to hack modulos in a different way.
|> >mhmhm 2x2. Lores will get 160 pix automatic, right ?
|> We read the modulos from the MyScreen->ViewPort.DspIns->CopLStart.
|>
|> >|> >: There is a lot of things to think about! :(
|> >|> >you can't think about all things.
|> >|> >Do it for PAL and provide 4 pass solution for other monitors.
|> >|> I guess you don't have a Multisync? Just like the coder how put their code
|> >yep you got it :)
|> >|> sections in chipram because they don't have any fast memory! :-/
|> >naaaaaah! if I use writeparr8 i'm fully legal for any 64bit-mega-scan-mode :)
|> >B  T  W  : I gues you haven't tried this ?
|>
|> You guess wrong! ;)

hehe you scanned syscoplists, I see, tricky :)

|>
|> >because: you never know which ddfstrt/stp values intuition uses.
|> >i.e. , write modulo = 40 for 320er mode and you get display-rubbish!
|> We don't cacluate the modulo from ddfstrt/stp values.
|>
|> Problem GONE! :-)

cool!

|>
|> >well. loadviev(0) will get me into pal anyway.
|> >usercopperlists are static, no fast buffering (screentofront sucks).
|>
|> Is this slow?
|>
|> ChangeVPBitMap(&MyScreen->ViewPort, ActiveBM, MyDBI);

uhm wow didn't know you also could change the ucopl!
cool.

Anyone got source how to use those 3.2 buffering routines ?

|>
|>
|>
|> <sb>Ludde - Amiga Demo Coder
|> <sb>Virtual Reality & Official Be developer
|> <sb>[e-mail]
|>
------------------------------------------------------------------------
   [e-mail] (Juergen "Rally" Fischer)   =:)