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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: Hi-res mouse pointer
- Date: 30 Jan 1996 18:54:35 GMT
- Organization: Technische Universitaet Muenchen, Germany
- Distribution: world
- Message-ID: <4elphb$94b@sunsystem5.informatik.tu-muenchen.de>
- References: <30f9e0e6@beachyhd.demon.co.uk> <4dg9h6$dif@pravda.aa.msen.com>
- NNTP-Posting-Host: hphalle7c.informatik.tu-muenchen.de
- Originator: fischerj@hphalle7c.informatik.tu-muenchen.de
-
-
- In article <4dg9h6$dif@pravda.aa.msen.com>, crandall@mail.msen.com (Chad Randall) writes:
- |> Organization: Msen, Inc. -- Ann Arbor, MI.
- |> Lines: 21
- |> Message-ID: <4dg9h6$dif@pravda.aa.msen.com>
- |> References: <30f9e0e6@beachyhd.demon.co.uk>
- |> NNTP-Posting-Host: conch.aa.msen.com
- |> X-Newsreader: TIN [UNIX 1.3 950824BETA PL0]
- |>
- |> Adam@beachyhd.demon.co.uk wrote:
- |> : I've recently noticed that when using a hi-res mouse pointer on my DBLPAL
- |> : screen with 720 pixel horizontal overscan, the mousepointer jumps back to
- |> : lo-res when I move it within about 16 pixels of the righthand edge of the
- |> : screen..
- |> :
- |> : Does anyone know why this happens? Is it a bug in the hardware, or could this
- |> : behaviour be cured with some sort of patch?
- |> :
- |>
- |> Not really. What is happening is that the copper is short of cycles when it
- |> approaches the right hand side... meaning it can't keep up with the
- |> monitor scanline. It starts shortcutting on stuff. You can fix
-
- What is happening ? copper not getting dma makes sprites become different
- resolution ? I don't believe :) What does this have to do with sprites
- anyway, isn't the data of them fetched a long time ago ?
-
- |> this 2 ways. Use moned to cut down the cycles (TOTCLKS). Mine is set at
- |> 76, which the the extreme point where the sprite does not dissapear at
- |> 640 pixels wide.
- |> Or, as Mr Hagen suggested a few days ago, use the pointer prefs program
- |> to move the pointer to the extreme right of the buffer. If you use
- |> Iconian 2.96, you can even go all the way to pixel 63 (64 pixels wide).
- |> This, of course, will only fix the default pointer/busy, and not program's
- |> custom pointers...
- ------------------------------------------------------------------------
- fischerj@Informatik.TU-Muenchen.DE (Juergen "Rally" Fischer) =:)
-
-