Re: emulaton of superpet / cbm8000 + cp/m board on avr

From: André Fachat <>
Date: Sat, 21 Jan 2012 11:22:11 +0100
Message-ID: <>
-------- Original-Nachricht --------
> Datum: Thu, 19 Jan 2012 12:35:57 +0100
> Von: Rhialto <>
> I was thinking about completing SuperPET emulation in VICE. The extended

Yes, please, that would be a great feature. It would probably also allow us to find out what the 6702 does by re-engineering from the 6809 code!

> > do you know if the 6502/6809 are running simultaneously or
> > alternatively ?  (in the superpet)
> The SuperPET manual on seems to suggest that a cpu is reset
> when it is switched to. But since it's not a technical document it may
> mean that only when turning on the machine, so I'm still wondering if
> one can continue a cpu where it left off.

More details see here:

The 6502 is actually _powered off_ during the 6809 operation. The 6809 is stopped with /HALT during 6502 operation.


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Received on 2012-01-21 11:00:07

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