"Oh you have a PhD .. I'm going to have to show you how it works then ... ".....

That is indeed very close. Closer than what I've seen so far.

or RC cat .....

.. that Atari has quite a bite
PS : we need a vampire emoj

Bienvenue.

XnConvert can do PI1 but not PI2
Not sure if there is anything else that can do that.

Edit : I should fully read what you wrote before responding .. need more coffee

Welcome to the forum (and no you're not the only French frog here ).

Rodolphe

The CT60/63 uses the bus grant signals as well as the halt signal. The reason for the use of the bus grant signals use is that when the DMA request the bus the "new" CPU has to release the bus and at that point this invalidate the halt state of the on board 68030, so the new CPU (actually ...

And the source and binary are available : https://rti-zone.org/atari_soft.php

Yep, really busy as I now have a day job and do some PCB and system design for a 2nd company as a contractor (astronomy related). This unfortunately doesn't leave a lot of time for Atari stuff. I'll check with Juliusz (who's busy as a new parent :) ) and may be we can just release what we have and s...