Re: [stella] collision detection

Subject: Re: [stella] collision detection
From: "Bradford W. Mott" <bwmott@xxxxxxx>
Date: Sat, 6 Sep 2003 16:34:04 -0400
Freeway checks for collisions several times a scanline.  So you have
to allow multiple reads of the collision registers in a single scanline
and you have to keep them correctly updated during each scanline so
that the reads can occur...

-- Brad

> After an attempt at 'optimizing'  the collision detection in a port of
> Stella, I found that Freeway no longer detected collisions, but the
> other programs I tested were OK. Is there some strange trick used in
> Freeway to catch collisions between the chickens and cars?

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