Re: IIGS Acceleration Idea

Bryan Parkoff wrote:
<bieling@xxxxxxxx> wrote in message news:1138661356.911979.111650@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Bryan Parkoff ha escrito:

   I have to say -- do 1 GHz (GigaHertz) crystal osc chip exist?  If so,
you will have to redesign Apple //e or Apple IIgs motherboard.  65816 CPU
will run at 1 GHz.


Bryan,

Is this year the a2's 30th anniversary...?
An a2@1GHz==1000x faster, would be a nice way to celebrate it !!

but...

65816@xxxxxxx where have you seen it ? The last time I checked wdc they
had 20MHz parts.?
Even if you had the most optimized better available 65816 ip core I
think there's no way to sopc either as no current fpga will eat it
@1GHz.?
And, also, you would need a 2GHz memory bus for a 1GHz cpu clock !! (do
memory dimms this fast exist yet ?) or about 10 or so cpu wait cycles
(for a 100MHz memory bus) and then, it's of little (or no) use to run a
65xx cpu at 10X the memory bus speed...
:-(


Hello,

It is just our imaginary to come true which it would happen. The fact is that WDC provides 65816 CPU which it limits to 14MHz while it can extend to maximum 20MHz. If you want to run 1 GHz on 65816 CPU, you will need to redesign 65816 CPU to support 1 GHz.
I do not need to say to prove if Michael Mahon is wrong, but try to imagine some ideas which it has never happened. Try to say if Pentium 4 2-4 GHz is faster, but it has worse performance because Intel can't outperform up to 20 GHz so they decide to redesign CPU to find other ways how to outperform. It is the same example that 65816 CPU should be redesigned to outperform up to 100MHz and then try to do 1GHz. Remember, it is only your imaginary 

It sounds like you are saying that what the Apple II community is
short on is imagination.

I disagree.  We have plenty (maybe too much) collective imagination.
What we are lacking is sufficient execution!

-michael

Music synthesis for 8-bit Apple II's!
Home page:  http://members.aol.com/MJMahon/

"The wastebasket is our most important design
tool--and it is seriously underused."
.

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