#==========================================================
#                  diskdefs                               =
#                  MITS ALTAIR SIMH CP/M 2.2              =
# A-G: MITS2                                              =
# H  : MITS                                               =
# I-P: format=<default HDSK>                              =
#==========================================================

# MITS Altair original, extra (MITS2) 88-DISK(extended) for A-G drive.
# sector = header + data + trailer = 3 + 128 + 6 = 137
# This definition is valid only on CpmtoolsGUI Ver.1.02 or later.
diskdef MITS2-A-G
  seclen 137
  tracks 254
  sectrk 32
  blocksize 2048
  maxdir 256
  skew 17
  boottrk 6
  os 2.2
end

# MITS Altair original (MITS) 88-DISK(Pertec FD-400) for H drive.
# sector = header + data + trailer = 3 + 128 + 6 = 137
# This definition is valid only on CpmtoolsGUI Ver.1.02 or later.
# tracks is 77 but BIOS DSM=254 = 63.75 tracks! What should I do?
# The writing is possible, but the reading may fail!
diskdef MITS-H
  seclen 137
  tracks 69
  sectrk 32
  blocksize 1024
  maxdir 256
  skew 17
  boottrk 6
  os 2.2
end

# AZ80 HDSK (HDSK) ALTAIR SIMH 8MB Standard Hard Disk. for I-P drive default.
diskdef HDSK-I-P
  seclen 128
  tracks 2048
  sectrk 32
  blocksize 4096
  maxdir 1024
  skew 0
  boottrk 6
  os 2.2
end
