> On Jan 20, 2021, at 8:24 AM, Chris Zach via cctalk <cctalk@classiccmp.org>
> wrote:
>
>> David pointed out #3 is incorrect. I was thinking of totem-pole drivers,
>> but the drivers in the MFM interface are all open collector. So the usage
>> conflict between RD52 using "drive sel 4" as an output vs. the controller
>> also doing that is not actually a problem at all.
>
> Makes sense: I was able to image an RD50 here, those things are oh so slow
> but kind of cute. Practically speaking though, it's pretty much a museum
> piece.
>
> Are you planning on running RSTS/E on the Pro? That would be neat....
Yes. I ported RSTS to the PRO a long time ago, and I still have it. Runs
fine. One of these days I need to find a clean way to make it available. And
I need to finish that DECNA driver.
paul