diskdef ibm-3740
  seclen 128
  tracks 77
  sectrk 26
  blocksize 1024
  maxdir 64
  skew 6
  boottrk 2
  os p2dos
end

diskdef 4mb-hd
  seclen 128
  tracks 1024
  sectrk 32
  blocksize 2048
  maxdir 256
  skew 1
  boottrk 0
  os p2dos
end

diskdef pcw
  seclen 512
  tracks 40
  sectrk 9
  blocksize 1024
  maxdir 64
  skew 1
  boottrk 1
  os 3
end

diskdef pc1.2m
  seclen 512
  tracks 80
  # this format uses 15 sectors per track, but 30 per cylinder
  sectrk 30
  blocksize 4096
  maxdir 256
  skew 1
  boottrk 0
  os 3
end

# CP/M 86 on 1.44MB floppies
diskdef cpm86-144feat
  seclen 512
  tracks 160
  sectrk 18
  blocksize 4096
  maxdir 256
  skew 1
  boottrk 2
  os 3
end

diskdef cf2dd
  seclen 512
  tracks 160
  sectrk 9
  blocksize 2048
  maxdir 256
  skew 1
  boottrk 1
  os 3
end

#amstrad: values are read from super block (special name hardcoded)

# Royal alphatronic
# setfdprm /dev/fd1 dd ssize=256 cyl=40 sect=16 head=2
diskdef alpha
  seclen 256
  tracks 40
  sectrk 32
  blocksize 2048
  maxdir 128
  skew 1
  boottrk 2
  os 2.2
end

# Apple II CP/M skew o Apple II DOS 3.3 skew
diskdef apple-do
  seclen 256
  tracks 35
  sectrk 16
  blocksize 1024
  maxdir 64
  skew 0
  boottrk 3
  os 2.2
end

# Apple II CP/M skew o Apple II PRODOS skew
diskdef apple-po
  seclen 256
  tracks 35
  sectrk 16
  blocksize 1024
  maxdir 64
  skew 0
  boottrk 3
  os 2.2
end

# MYZ80 hard drive (only works with libdsk, because it has a 256-byte header)
diskdef myz80
  seclen 1024
  tracks 64
  sectrk 128
  blocksize 4096
  maxdir 1024
  skew 1
  boottrk 0
  os 3
end

# Despite being Amstrad formats, CPC System and CPC Data don't have an Amstrad 
# superblock. You'll need to use libdsk to access them because the Linux 
# and Windows kernel drivers won't touch them.
diskdef cpcsys
  seclen 512
  tracks 40
  sectrk 9
  blocksize 1024
  maxdir 64
  skew 1
  boottrk 2
  os 3
end
diskdef cpcdata
  seclen 512
  tracks 40
  sectrk 9
  blocksize 1024
  maxdir 64
  skew 1
  boottrk 0
  os 3
end

# after being read in with no sector skew.
diskdef nigdos
  seclen 512
  # NigDos double sided disk format, 42 tracks * 2 sides
  tracks 84
  sectrk 10
  blocksize 2048
  maxdir 128
  skew 1
  boottrk 0
  # this format wastes half of the directory entry
  logicalextents 1
  os 3
end

diskdef epsqx10
  seclen 512
  tracks 40
  sectrk 20
  blocksize 2048
  maxdir 128
  skew 0
  boottrk 2
  os 2.2
end

diskdef ibm-8ss
  seclen 512
  tracks 40
  sectrk 8
  blocksize 1024
  maxdir 64
  skew 0
  boottrk 1
  os 2.2
end

diskdef ibm-8ds
  seclen 512
  tracks 40
  sectrk 8
  blocksize 1024
  maxdir 64
  skew 0
  boottrk 1
  os 2.2
end

diskdef electroglas
  seclen 512
  tracks 80
  sectrk 10
  blocksize 2048
  maxdir 256
  skew 0
  boottrk 1
  os 3
end

# IBM CP/M-86
# setfdprm /dev/fd1 sect=8 dtr=1 hd ssize=512 tpi=48 head=1
diskdef ibmpc-514ss
   seclen 512
   tracks 40
   sectrk 8
   blocksize 1024
   maxdir 64
   skew 1
   boottrk 1
   os 2.2
end

# IBM CP/M-86
# setfdprm /dev/fd1 sect=8 dtr=1 hd ssize=512 tpi=48
diskdef ibmpc-514ds
   seclen 512
   tracks 80
   sectrk 8
   blocksize 2048
   maxdir 64
   skew 0
   boottrk 2
   os 2.2
end

diskdef p112
  seclen 512
  tracks 160
  sectrk 18
  blocksize 2048
  maxdir 256
  skew 1
  boottrk 2
  os 3
end

diskdef p112-old
  seclen 512
  tracks 160
  sectrk 18
  blocksize 2048
  maxdir 128
  skew 1
  boottrk 1
  os 3
end

diskdef kpii
  seclen 512
  tracks 40
  sectrk 10
  blocksize 1024
  maxdir 32
  skew 0
  boottrk 1
  os 2.2
end

# setfdprm /dev/fd0 dd sect=10
diskdef interak
  seclen 512
  tracks 80
  sectrk 20
  blocksize 4096
  maxdir 256
  skew 0
  boottrk 2
  os 2.2
end

# RomWBW 256KB ROM (128KB reserved, 128KB ROM Disk)

diskdef wbw_rom256
  seclen 512
  tracks 4
  sectrk 64
  blocksize 2048
  maxdir 256
  skew 0
  boottrk 0
  os 2.2
end

# RomWBW 512KB ROM (128KB reserved, 384KB ROM Disk)

diskdef wbw_rom512
  seclen 512
  tracks 12
  sectrk 64
  blocksize 2048
  maxdir 256
  skew 0
  boottrk 0
  os 2.2
end

# RomWBW 1024KB ROM (128KB reserved, 896KB ROM Disk)

diskdef wbw_rom1024
  seclen 512
  tracks 28
  sectrk 64
  blocksize 2048
  maxdir 256
  skew 0
  boottrk 0
  os 2.2
end

# RomWBW 720K floppy media
diskdef wbw_fd720
  seclen 512
  tracks 160
  sectrk 9
  blocksize 2048
  maxdir 128
  skew 0
  boottrk 4
  os 2.2
end

# RomWBW 1.44M floppy media
diskdef wbw_fd144
  seclen 512
  tracks 160
  sectrk 18
  blocksize 2048
  maxdir 256
  skew 0
  boottrk 2
  os 2.2
end

# RomWBW 360K floppy media
diskdef wbw_fd360
  seclen 512
  tracks 80
  sectrk 9
  blocksize 2048
  maxdir 128
  skew 0
  boottrk 4
  os 2.2
end

# RomWBW 1.20M floppy media
diskdef wbw_fd120
  seclen 512
  tracks 160
  sectrk 15
  blocksize 2048
  maxdir 256
  skew 0
  boottrk 2
  os 2.2
end

# RomWBW 8320KB Hard Disk Slice (512 directory entry format)
# Legacy format, 512 dir entries, 16,630 sectors / slice
diskdef wbw_hd512
  seclen 512
  tracks 1040
  sectrk 16
  blocksize 4096
  maxdir 512
  skew 0
  boottrk 16
  os 2.2
end

# First 4 slices of wbw_hd512
diskdef wbw_hd512_0
  seclen 512
  tracks 1040
  sectrk 16
  blocksize 4096
  maxdir 512
  skew 0
  boottrk 16
  os 2.2
end

diskdef wbw_hd512_1
  seclen 512
  tracks 2080
  sectrk 16
  blocksize 4096
  maxdir 512
  skew 0
  boottrk 1056
  os 2.2
end

diskdef wbw_hd512_2
  seclen 512
  tracks 3120
  sectrk 16
  blocksize 4096
  maxdir 512
  skew 0
  boottrk 2096
  os 2.2
end

diskdef wbw_hd512_3
  seclen 512
  tracks 4160
  sectrk 16
  blocksize 4096
  maxdir 512
  skew 0
  boottrk 3136
  os 2.2
end

# RomWBW 8MB Hard Disk (1024 directory entry format)
# New format, 1024 dir entries, 16,384 sectors / slice
# Pure filesystem image, no MBR prefix
diskdef wbw_hd1024
  seclen 512
  tracks 1024
  sectrk 16
  blocksize 4096
  maxdir 1024
  skew 0
  boottrk 2
  os 2.2
end

# First 4 slices of wbw_hd1024
# Assumes 1MB prefix (2048 sectors)
diskdef wbw_hd1024_0
  seclen 512
  tracks 1040
  sectrk 16
  blocksize 4096
  maxdir 1024
  skew 0
  boottrk 130
  os 2.2
end

diskdef wbw_hd1024_1
  seclen 512
  tracks 2064
  sectrk 16
  blocksize 4096
  maxdir 1024
  skew 0
  boottrk 1154
  os 2.2
end

diskdef wbw_hd1024_2
  seclen 512
  tracks 3112
  sectrk 16
  blocksize 4096
  maxdir 1024
  skew 0
  boottrk 2178
  os 2.2
end

diskdef wbw_hd1024_3
  seclen 512
  tracks 4136
  sectrk 16
  blocksize 4096
  maxdir 1024
  skew 0
  boottrk 3202
  os 2.2
end

# SmallZ80 Hard Disk Image
# 5 slices
diskdef smz80_hd0
  seclen 512
  tracks 1034
  sectrk 16
  blocksize 4096
  maxdir 1024
  skew 0
  boottrk 10
  os 2.2
end

diskdef smz80_hd1
  seclen 512
  tracks 2058
  sectrk 16
  blocksize 4096
  maxdir 1024
  skew 0
  boottrk 1034
  os 2.2
end

diskdef smz80_hd2
  seclen 512
  tracks 1034
  sectrk 16
  blocksize 4096
  maxdir 1024
  skew 0
  boottrk 2058
  os 2.2
end

diskdef smz80_hd3
  seclen 512
  tracks 4106
  sectrk 16
  blocksize 4096
  maxdir 1024
  skew 0
  boottrk 3082
  os 2.2
end

diskdef smz80_hd4
  seclen 512
  tracks 5130
  sectrk 16
  blocksize 4096
  maxdir 1024
  skew 0
  boottrk 4106
  os 2.2
end

# RC2014 standard hard disk image
# Slices A-P
diskdef rc2014a
  seclen 512
  tracks 512
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 1
  os 2.2
end

diskdef rc2014b
  seclen 512
  tracks 1024
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 512
  os 2.2
end

diskdef rc2014c
  seclen 512
  tracks 1536
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 1024
  os 2.2
end

diskdef rc2014d
  seclen 512
  tracks 2048
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 1536
  os 2.2
end

diskdef rc2014e
  seclen 512
  tracks 2560
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 2048
  os 2.2
end

diskdef rc2014f
  seclen 512
  tracks 3072
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 2560
  os 2.2
end

diskdef rc2014g
  seclen 512
  tracks 3584
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 3072
  os 2.2
end

diskdef rc2014h
  seclen 512
  tracks 4096
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 3584
  os 2.2
end

diskdef rc2014i
  seclen 512
  tracks 4608
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 4096
  os 2.2
end

diskdef rc2014j
  seclen 512
  tracks 5120
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 4608
  os 2.2
end

diskdef rc2014k
  seclen 512
  tracks 5632
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 5120
  os 2.2
end

diskdef rc2014l
  seclen 512
  tracks 6144
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 5632
  os 2.2
end

diskdef rc2014m
  seclen 512
  tracks 6656
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 6144
  os 2.2
end

diskdef rc2014n
  seclen 512
  tracks 7168
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 6656
  os 2.2
end

diskdef rc2014o
  seclen 512
  tracks 7680
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 7168
  os 2.2
end

diskdef rc2014p
  seclen 512
  tracks 7808
  sectrk 32
  blocksize 4096
  maxdir 512
  boottrk 7680
  os 2.2
end