Subject:
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Re: THe storekeep even sorta looks like Calum...
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Newsgroups:
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lugnet.org.ca.rtltoronto
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Date:
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Sun, 27 Jun 2004 02:17:12 GMT
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Viewed:
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594 times
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In lugnet.org.ca.rtltoronto, Calum Tsang wrote:
> In lugnet.org.ca.rtltoronto, Kevin L. Clague wrote:
> > Aaaahhhh yes, the Amiga. What a great machine for its day. Calum did you ever
> > get software off the Fish disks?
> > I did a fractal program called Mandelvroom and gave away the source to the
> > cause.
>
> Come to think of it, I probably did try that once. Those screens look awfully familiar!
>
> The issue was speed: I initially only had an A2000HD with a "modified" CPU (a
> MC68010L10). This was the Amiga equivalent of putting a coffee can muffler on
> your lowered Civic. I think it was only 30% faster than an average Amiga, same
> clock.
>
> This made fractals or 3D rendering VERY VERY slow.
This is because the 68010 had no floating point hardware. That is why I wrote
Mandelvroom to use fixed point arithmetic. Instead of bits having values like
1, 2, 4, 8..... I made them have values like 1, 1/2, 1/4, 1/8, 1/16......
Written in assembly of course. Much faster... thus the name MandelVroom. Since
it was only a 2D renderer it could get you fractals pretty fast.
>
> > The real question is, did you have a half-bright Denise chip?
>
> Sadly, yes. And on that machine, a 1MB Super Fat Agnus. If you thought Lego
> fans were obscure (OMG! A 1987 Guarded Castle Inn with a Meal Serving Wench
> MISB from Bavaria!) Amiga fans...whooeee.
Yup. The developers were no less obscure!
>
> Same as it ever was...
>
> Calum
Kevin
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