RE: Minimal CP-M SBC design

RE: "1.4 really didn't even do a DISK bios, it was
embedded in the bdos.
the bios for 1.4 was only terminal, punch reader and printer
IO.  Yes, it
was a pain to interface any new disk to it."

Allison, that is simply not true.  The diskette format (DPH
and DBP) was
imbedded in the BDOS, but the disk I/O was in the BIOS, more
or less like
2.x.