Hey Al, I haven't looked at the MAME stuff but if it uses an NEC 765 then it probably won't be the same. The signal list is quite a bit different, e.g. only 5 non-contiguous address bits are used. Real weird.
I'll take a look all the same. =] On Sun, Mar 31, 2019, 4:30 PM Al Kossow via cctalk <cctalk@classiccmp.org wrote: > > > On 3/31/19 12:42 PM, Anders Nelson via cctalk wrote: > > > I've read through the service manuals and other docs on Bitsavers but I > > can't seem to find a deeper explanation on the protocol that runs over > the > > DB-37 cable. > > Have you looked at the displaywriter MAME driver? > > The floppy uses an NEC 765 disk controller > > > >
