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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
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
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