[A83] Re: Sprites

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: Sprites
From: "Dan Weiss" <dwedit@hotmail.com>
Date: Fri, 27 Apr 2001 14:34:11 -0500
Reply-To: assembly-83@lists.ticalc.org

By default, it's set to use an actual ram address instead of plotsscreen, 
confusing the newbies learning asm for the TI83+.


>From: Harper Maddox <gte172i@prism.gatech.edu>
>Reply-To: assembly-83@lists.ticalc.org
>To: assembly-83@lists.ticalc.org
>Subject: [A83] Re: Sprites
>Date: Thu, 26 Apr 2001 23:49:32 -0400
>
>
>"hopelessly out of date"???
>"incompatible"???
>it may be slow, but not that much slower.  I guarantee you that the other
>algorithms are not much faster (ie. no more than a 50% speed increase),
>which doesn't account for much.
>and what is it incompatible with??? nothing.
>the biggest problem people have is not the running time of their sprite
>routine, but how they use the sprite routine and when they clear/redraw the
>graph buffer.
>most people don't realize that almost all the clock cycles are taken up by
>"call _grbufcpy_V" etc.
>
>i still use movax's sprite routine because it doesnt make a big difference,
>and since the rest of my code works for it, i dont have to modify old code
>and can just cut and paste it.
>the only time I use a non-aligned sprite routine is to display a character
>on screen and to show projectiles.  Unless you are trying to make a game
>like phoenix, where 50+ sprites are on the screen, then it doesnt matter.
>
>and if you want to talk about clipping/masking, it is so damn easy to
>modify movax's routine to do this.  it takes < 10 mins to add this
>functionality.
>
>-harper
>
>At 10:18 PM 4/26/01 -0500, you wrote:
>
> >ASMGuru is hopelessly out of date, it uses the old incompatible Movax's 
>xor
> >sprite routine.
> >
> >There are better ones now, including ionPutSprite and CrASH_MAN's 
>SprClip.
> >
> >
> > >From: Mike3465@aol.com
> > >Reply-To: assembly-83@lists.ticalc.org
> > >To: assembly-83@lists.ticalc.org
> > >Subject: [A83] Re: Sprites
> > >Date: Thu, 26 Apr 2001 21:52:46 EDT
> > >
> > >
> > >I believe the Tutorial 15 makes a little sprite, and using the arrow 
>keys
> > >moves it around
> > >
> > >
> >
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>

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