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From: eve@ssc-bee.UUCP (Michael Eve)
Newsgroups: net.micro.amiga
Subject: Re: Amiga reactions
Message-ID: <368@ssc-bee.UUCP>
Date: Tue, 10-Sep-85 15:49:16 EDT
Article-I.D.: ssc-bee.368
Posted: Tue Sep 10 15:49:16 1985
Date-Received: Thu, 12-Sep-85 11:43:07 EDT
References: <3568@topaz.RUTGERS.EDU>
Organization: Boeing Aerospace Co., Seattle, WA
Lines: 23

> 
> 3) I saw the famous "bounce" program and was blown away.  For those who haven't
> seen it, this is an animation of a beach ball bouncing in a room.  The beach
> ball is red and white patchwork, and rotates on its axis as it moves.  It also
> has a shadow which follows it across the floor and the background.  If you
> close your eyes, you can still locate where the beach ball is, because the
> stereo sound of it bouncing tracks its location on the screen, complete with
> gymnasium type reverb sound effects.  The really impressive thing about this
> demo is the amount of work the 68000 is doing; it's actively doing something
> only 8% of the time.  That means it's 92% idle!
> 
I've heard these numbers before and am a little skeptical of what they really
mean.  The numbers seem to imply that the Amiga 68000 could do 12.5 times
as much work without slowing the demo down.  In reality, I suspect the
bus may be so busy with the graphics that any increase in 68000 processing
will slow down the graphics.

Can anyone shed some light on this?


-- 
	Mike Eve     Boeing Aerospace, Seattle
	...uw-beaver!ssc-vax!ssc-bee!eve