Re: A86: NOT Question on tile maps :-)

To: assembly-86@lists.ticalc.org
Subject: Re: A86: NOT Question on tile maps :-)
From: Jimmy =?iso-8859-1?Q?M=E5rdell?= <yarin@acc.umu.se>
Date: Fri, 29 Jan 1999 07:15:37 +0100
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Delivered-To: assembly-86@lists.ticalc.org
In-Reply-To: <003001be4b16$8addada0$4fd2928b@david>
Reply-To: assembly-86@lists.ticalc.org


At 17:32 1999-01-28 -0600, you wrote:
>
>Hmm, that might work.  You'd have to drop the lower 3 bits of the X coord.
>On that line, I wonder if it would be much faster to draw sprites if they
>were pre-shifted, then all drawn as 16 bit sprites.  You could do it when
>the program starts and store them on ram page 1 or something, so they
>wouldn't take up extra room in the program.

IIRC, that was done in some games on only computers to speed things up...
But I don't think it's worth it on ticalcs as you can make fast sprite
routines anyway (with lookup shift tables for instance).

>Yeah, you're right.  It's not about tilemaps =)

I changed the topic :)

//Jimmy Mårdell

E-mail: yarin@acc.umu.se
Homepage: http://www.acc.umu.se/~yarin/

References:

Re: A86: Question on tile maps

From: "David Phillips" <david@acz.org>

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