> On Mar 4, 2023, at 11:06 PM, Chris Zach via cctalk <cctalk@classiccmp.org>
> wrote:
>
> ...One issue I can see is that since both "drives" use the same head, stupid
> software could assume that since drive 0 was seeked to track 30 then drive 1
> should be at track 30 and thus no need to change tracks. So far I haven't
> seen this happen, but we shall see.
On the Pro, the software sees a fairly traditional CSR set with disk address
registers (sector and track). So an assumption like the one you worry about
would be in the controller, not the OS. If it works at all then that would say
the controller doesn't make that assumption.
paul
