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Sprow's ARM co-processor

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Andrew

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Apr 30, 2008, 8:54:11 AM4/30/08
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Looking at Sprow's ARM co-processor for the BBC Micro, he says:

"The huge success of ARM means that there are now many chip vendors
around the world with licenses to use the ARM core in their own
products, which means high speed ARMs with useful integrated
peripheral devices like serial ports are readily available. That makes
it possible now to build a more up to date ARM evaluation system for
the BBC micro. "

Thus, couldn't he develop an ARM co-processor just as easily if not
moreso for the Iyonix given the industry standard upgrade system
(AIUI) it has?

Andrew

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Rob Kendrick

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Apr 30, 2008, 9:00:32 AM4/30/08
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On Wed, 30 Apr 2008 13:54:11 +0100, Andrew wrote:

> Thus, couldn't he develop an ARM co-processor just as easily if not
> moreso for the Iyonix given the industry standard upgrade system (AIUI)
> it has?

Sure - then it's just a matter of getting software to use it. The BBC
Micro's OS has explicit support for co-processors, and infact the Tube
bus is designed specifically for this purpose. RISC OS does not have
built-in support for this, and PCI is not specifically designed for this
purpose.

B.

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