simongarstin wrote:I missed out Sound and FDC (and probably other things...)
A 1772 FDC IC would be designed...straight from the original schematics probably to allow a floppy drive to be attached, though many people may argue this is not necessary ??
Well, you did not miss to quote that long list - don't know why was that necessary ?
Here is what I think, and call me negative or whatever: only designing 1772 clone chip - I guess that it is the goal instead using that chip, what is still available, or acquirable will be extremely hard. To make it 100% like original is almost impossible - it's pretty much complex chip, in fact some microcontroller.
Myself is in this years about to stop using floppies at all even on old Ataris - on PC I did not use it over decade, except for retro computer data transfer, and writing retro SW on floppies. So, maybe better would be to forget floppy controller, and going on floppy emulation. You plan some mass storage for it, so that's possible. Support for ST format is really not hard - I did it already.
What I wrote to Cyprian was just example, first thing what came to mind. Since it will be not low level ST compatible, really don't see need support for floppy in 2016 .
Famous Schrodinger's cat hypothetical experiment says that cat is dead or alive until we open box and see condition of poor animal, which deserved better logic. Cat is always in some certain state - regardless from is observer able or not to see what the state is.