[Coco] OS9 68K, MM/1 software and questions
jcewy at swbell.net
Thu Dec 31 14:19:36 EST 2015
On 12/31/2015 06:39 AM, Mark McDougall wrote:
> On 31/12/2015 3:58 PM, Joel Ewy wrote:
>> Just a few more details off the top of my head.
> I'm starting to get rather interested in this machine. Yet another toy
> to take my time! ;)
> Definitely interested to know more about the possible kits/rebuilds.
> Would also be interested in having a crack at a MESS driver if there's
> enough information floating around!
There should be sufficient information for MESS emulation. I think that
what CD-i support there already is in MESS would be a good start. Most,
if not all, of the chips in the MM/1 are also in other machines already
emulated under MESS, and we certainly have the logic equations for the
PLDs on the I/O board and 8M memory board, as well as schematics.
If you want to read up on the Signetics 66470 VSC, the databook is at
The MM/1 Technical Manual is available here and elsewhere:
It's also here, along with more documentation:
And I believe much of it is on Maltedmedia as well. Here are some
things I scanned in 2008:
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