Hi Eric,
I reverse engineered the Intel IOC in my MDS-225 back in 1980 and
designed/programmed the Zendex equivalent. Your project sounds interesting.
I just got a MDS-225 in pieces that I'm getting fired up with DD dual 8"
floppies and ISIS-II.
Got any parts or need any parts?
Richard Main
Newark, CA USA
+1 510-229-9711