Re: Hardware emulation of 6509 using 6502?

From: Mia Magnusson <*mia_at_plea.se*> Date: Wed, 7 Mar 2018 17:05:37 +0100 Message-ID: <20180307170537.00006e7a@plea.se> · mia_at_plea.se

Den Tue, 06 Mar 2018 22:42:24 +0100 skrev Michał Pleban
<lists@michau.name>:
> Hello!
> 
> Mia Magnusson wrote:
> 
> > Are you sure AEC is used in the P500?
> 
> You're right! I went through the schematic and indeed the AEC signal
> is not used in the P500 too. So this makes it so much easier.

And if it indeed is used on some 6509 machines, they could get real
6509's from the machines that don't use AEC. I assume there will be no
machines scrapped due to lack of 6509 CPU's anytime soon. :)

If the schematics are right for both P500 and the B series, then there
should be no problem in including this circuit in a replica.

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