Re: FPGA (was: 6809 / 6702 puzzle)

From: Michał Pleban <lists_at_michau.name>
Date: Sun, 22 Apr 2012 23:06:31 +0200
Message-ID: <4F9472D7.2050601@michau.name>
Hello!

davee.roberts@fsmail.net wrote:

> Are you interested in a physical card with the implementation of the 8088 coprocessor that you can plug into your existing CBM II or
> something else?

Yes, exactly.

> The cores are available for the 8088 (how good they are of course is another matter...) but not for the 6525 and 6526 chips (although
> these appear to fairly straightforward). I notice that the firmware and reverse-engineered schematics are available for this board. The
> 8288 and 8284 are not straightforward, and the 8087 will be virtually impossible (without a significant amount of time and effort)
> although I rather suspect that most of the available software does not use the 8087 maths coprocessor as it was an expensive item back in
> those times.

8087 did not work in the original board anyway, so me can safely omit it.

> I can't help thinking this is not going to be too easy - but let me chew it over for a while...

Sure, let me know!

Regards,
Michau.


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Received on 2012-04-22 22:00:05

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