diskdefs

diskdef bbc192
    seclen 128
    tracks 96 ; 0x600 128-byte sectors
    sectrk 16
    blocksize 1024
    maxdir 64
    boottrk 0
    os 2.2
end

diskdef bbc327
    seclen 128
    tracks 80
    sectrk 32
    blocksize 2048
    maxdir 128
    boottrk 0
    os 2.2
end

diskdef c1541
	seclen 128
	tracks 136
	sectrk 10
	blocksize 1024
	maxdir 64
	boottrk 0
	os 2.2
end

# This produces .po files, so there's implicit soft sector skewing intended to
# be done in the backend. Note that the boot are read in physical sector order
# and so need to be specially skewed so that one they're ProDOS skewed each
# sector gets put back in physical order. Sigh, Apple II disk formats.
diskdef appleiie
  seclen 256
  tracks 35
  sectrk 16
  blocksize 1024
  maxdir 64
  boottrk 1
  os 2.2
end

diskdef generic-1m
	seclen 128
	tracks 128
	sectrk 64
	blocksize 2048
	maxdir 128
	boottrk 0
	os 2.2
end

diskdef generic-1440k
    seclen 128
    tracks 160
    sectrk 72       # 512*18
    blocksize 4096
    maxdir 256
    boottrk 0
end

# Simple SSSD disk on the Atari 810 or 1050 diskdrive
diskdef atari90
    seclen 128
    tracks 40
    sectrk 18
    blocksize 1024
    maxdir 64
    boottrk 1
    os 2.2
end

# Large ATR for use with emulators, hardware drive emulators or mounting
# with AVG/SIDE cartridges on real hardware. seclen is still 128. It uses
# the same BIOS code as atari90. 8190 sectors. Almost 1MB.
diskdef atarihd
    seclen 128
    tracks 455
    sectrk 18
    blocksize 2048
    maxdir 128
    boottrk 1
    os 2.2
end

diskdef oric
    seclen 128
    tracks 80 # double sided
    sectrk 34
    blocksize 2048
    maxdir 64
    boottrk 1
    os 2.2
end

diskdef sorbus
    seclen 128
    tracks 128
    sectrk 256
    blocksize 2048
    maxdir 1024
    boottrk 1
    os 2.2
end

diskdef k-1013
    seclen 256
    tracks 77
    sectrk 26
    blocksize 2048
    maxdir 128
    boottrk 1
    os 2.2
end

diskdef sdcard
    seclen 512
    tracks 4096
    sectrk 16
    blocksize 4096
    maxdir 1024
    boottrk 1
    os 2.2
end

# OSI 5.25", 40 tracks, 300rpm, 125kbps
# 640 sectors = 80kB
diskdef osi5
    seclen 128
    tracks 40
    sectrk 16
    blocksize 1024
    maxdir 64
    boottrk 1
    os 2.2
end

# OSI 8", 77 tracks, 360rpm, 250kbps
# 1848 sectors = 231kB
diskdef osi8
    seclen 128
    tracks 77
    sectrk 24
    blocksize 1024
    maxdir 64
    boottrk 1
    os 2.2
end

# OSI 5.25"/3.5", 80 tracks, 300rpm, 125kbps
# 1280 sectors = 160kB
diskdef osi5_80
    seclen 128
    tracks 80
    sectrk 16
    blocksize 1024
    maxdir 64
    boottrk 1
    os 2.2
end