[A83] Re: Some Tilemap Questions

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: Some Tilemap Questions
From: Gavin Olson <gtolson@snet.net>
Date: Sat, 18 Aug 2001 19:30:06 -0400
In-Reply-To: <F2330OccGSxTDkpB2Kk0000d3e5@hotmail.com>
Reply-To: assembly-83@lists.ticalc.org

At 09:17 PM 8/18/2001 +0000, you wrote:

>1)I need a 12x12 tilemap routine, or 16x16, it has to scroll one pixel at a
>time. Does anybody has one?
>2) When a routine moves one pixel at a time, is it then called a clipping
>routine? Cause I don't really understand what clipping means(DUTCH!).

Clipping is a process by which graphics written off the screen area are not 
drawn, even though the plotting code will place them somewhere in graphics 
memory.  This prevents glitching and memory overruns.  If you don't control 
your sprites or tiles carefully, or will want them to sometimes be 
partially offscreen, then you want clipping.

References:

[A83] Some Tilemap Questions

From: "Maarten Z." <m021085@hotmail.com>

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