Re: [stella] Revolutionary Horizontal positioning 2

Subject: Re: [stella] Revolutionary Horizontal positioning 2
From: "Eric Ball" <ericball@xxxxxxxxxxxx>
Date: Fri, 29 Nov 2002 21:46:21 -0500
I've been playing around with your routine, and have the following
observations:
1. There's an implied CLC or equivalent before the first STA WSYNC.
2. This would be an ideal routine for positioning 48 bit sprites as well.

From: "Manuel Polik" <cybergoth@xxxxxxxx>
> Hi Eric!
>
> > Let me make sure I understand this.  The routine
> > positions a single 16 bit sprite (P0 left, P1 right?)
> > rather than 2 independent 8 bit sprites.
>
> Yes, exactly.
>
> > Very neat if you are using 16 bit sprites.
>
> It's dead quick and short, so one can use it even for
> midscreen repositionings. You only lose a few pixels
> left and right, so you don't have the full 160 pixel
> range.
>

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