Progress on NEC APC - test-drb@ccmp.vtda.org

21 Apr 2000

...
  Does CP/M-86 have a direct call to read a sector like
CP/M-2.2 does? If so, it wouldn't take much code
to make a sector viewer.
Dwight 

The jump table for the first 17 bios calls or so are as identical as 
you can ask for considering some of the CPU differences.

The key ones are:

  seldisk
  settrack
  setsector
  setdma
  read
  write

Allison