Re: [stella] Playfield graphics resolution

Subject: Re: [stella] Playfield graphics resolution
From: Glenn Saunders <krishna@xxxxxxxxxxxx>
Date: Wed, 05 Mar 1997 09:55:54 -0800
At 09:37 AM 3/5/97 -0800, you wrote:
>Glenn wrote that playfield graphics resolution is limited to 40x192.
>
>True, but it's possible to rewrite the playfield color registers to
>create the appearance of more resolution.  The 6502 runs one clock
>cycle for every 3 pixels, so it's possible to create playfield
>images that have more complex shapes.  The timing's a nightmare
>though - I'm only planning on using the technique to build a pretty
>title screen.


The other trick is to offset the timing of the graphics display to create a
diagonal border between two colors.  This is supposedly how Radar Lock
generates its various diagonal horizon lines with such smooth resolution. 




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