--- "The Great Mr. Kurtz [David A. Gatwood]" wrote:
What controller chip did Apple's II and II+ use (on the card or whatever)?

Ideas?
--- end of quoted material ---
I thought it was a shift register.  

Apple II docs may help - I thought the original 800k Mac floppies were modeled
on the Apple II.  My Inside Macintosh, Volume III, has several pages on the
floppy interface.  But maybe you're all past that level of info.