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- Newsgroups: comp.sys.amiga.hardware
- Path: sparky!uunet!munnari.oz.au!metro!usage!hydra.maths.unsw.EDU.AU!8800529
- From: 8800529@hydra.maths.unsw.EDU.AU ()
- Subject: Re: AA chip sprite-colors question
- Message-ID: <1992Nov23.023228.1719@usage.csd.unsw.OZ.AU>
- Sender: news@usage.csd.unsw.OZ.AU
- Nntp-Posting-Host: hydra.maths.unsw.edu.au
- Organization: school of Mathematics UNSW
- References: <36674@cbmvax.commodore.com>
- Date: Mon, 23 Nov 1992 02:32:28 GMT
- Lines: 25
-
- In article <36674@cbmvax.commodore.com> spence@cbmvax.commodore.com (Spencer Shanson) writes:
- >In article <1992Nov3.152852.245@cranel.com> watters@cranel.com (David Watters) writes:
- >>Is it possible, with the copper or through the OS, to change to registers
- >>a sprite or set of sprites use during the verticle blank? How about during
- >
- >That's how the OS sets up the pointer for the next field of the display.
- >
- >>a screen draw? How about the middle of drawing one of the sprites, ie. during
- >>a horizontal blank?
- >
- >The proper graphics way to reuse sprites is through the VSprite system. However,
- >there needs to be at least one blank line between sprite reusage. It is only
- >possible to alter the sprite data once per line with the Copper as the Sprite
- >DMA slots are available only at the beginning of the line.
- >
- >>David R. Watters (watters@cranel.com) Cranel Inc. Development & Engineering
- >--
- >---------------------------------------------------------------------------
- >Spencer Shanson - Amiga Software Engineer | email: spence@commodore.COM
- > | or uunet!cbmvax!spence
- >All opinions expressed are my own, and do not | Bix: sshanson
- >(necessarily) represent those of Commodore. | I want a tube of
- > | orange Smarties!
-
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