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Man Pages


Manual Reference Pages  -  DSKTRANS (1)

NAME

dsktrans - Copy from one floppy or image file to another

CONTENTS

Synopsis
Description
Options
See Also
Author

SYNOPSIS

dsktrans [-itype TYPE] [-otype TYPE] [-iside SIDE] [-oside SIDE] [-icomp COMP] [-ocomp COMP] [-idstep] [-odstep] [-retry COUNT] [-format FMT] [-first CYLINDER] [-last CYLINDER] [-md3] [-logical] [-apricot] [-pcdos] [-noformat] INPUT-IMAGE OUTPUT-IMAGE

DESCRIPTION

Dsktrans copies floppy discs or images, optionally converting image types. This is a high-level copy which assumes that the disc has a straightforward geometry; all the tracks are assumed to have the same layout of sectors, and interleave is not preserved. See dskdump(1) for a slower but more accurate copy which may preserve more of these details.

OPTIONS

-itype TYPE
  Determines which driver is to be used to read from the source disc. Some examples are:
auto Select according to the disc image file. This is the default.
dsk Use the DSK (CPCEmu format) image driver.
edsk Use the extended version of the DSK format.
floppy Use the floppy driver.
ntwdm (Under Windows 2000 and later) Use Simon Owen’s FDRAWCMD floppy driver.
myz80 Use the hard disk (MYZ80 format) image driver. (This format cannot be autodetected.)
cfi Use the CFI (DOS fdcopy format) image driver. (This format cannot be autodetected.)
apridisk Use the ApriDisk image driver (from the utility of the same name). (This format cannot be autodetected.)
raw Use the raw driver.
logical Similar to the raw driver, but the resulting disc image contains tracks laid out in logical filesystem order. Mainly used for imaging discs in formats (such as ADFS) where the mapping of tracks to cylinders/heads does not match the way it’s done on the PC.
qm Sydex’s CopyQM format (can only be read, not written).
teledisk
  Sydex’s Teledisk format (can only be read, not written).

-otype TYPE
  Determines which driver is to be used to write to the destination disc. The drivers are as for -itype.

-icomp COMP
  Select the compression method used on the source disc image file (has no effect when reading a floppy disc).
auto Detect from the first few bytes of the file. This is the default.
sq Huffman coded (SQ / USQ).
gz Gzipped (gzip / gunzip).
bz2 Burrows-Wheeler compressed (bzip2 / bunzip2).

-ocomp COMP
  Select the compression to be used on output. Compression methods are as for -icomp, except that bz2 cannot be used.

-iside SIDE
  Determines which side (0 or 1) of the source disc is to be read from.

-oside SIDE
  Determines which side (0 or 1) of the destination disc is to be written to.

-idstep
  Double-step the source drive (used to read 360k discs in 1.2Mb drives). Only supported by the Linux floppy driver.

-odstep
  Double-step the destination drive (used to write 360k discs in 1.2Mb drives). Only supported by the Linux floppy driver.

-retry COUNT
  Set the number of times to attempt a read/write/format in case of error.

-format FMT
  Do not autodetect the disc format; use the named format.

-first CYL
  Start copying at the specified cylinder. Cylinders prior to this will not be formatted or written.

-last CYL
  Copy up to and including the specified cylinder.

-odstep
  Double-step the destination drive (used to write 360k discs in 1.2Mb drives). Only supported by the Linux floppy driver.

-md3 Defeat MicroDesign 3 copy protection. Note that this does not make dsktrans a circumvention device, since the authors of MicroDesign have placed it in the public domain and given permission for the copy-protection to be reverse engineered; I posted their original press release to USENET as <1008359853.26849.0.nnrp-13.c2de7091@news.demon.co.uk>.

-pcdos Convert the first sector from an Apricot superblock to a PC-DOS superblock. This allows Apricot-format discs to be imaged as files (with the output image type as raw) and then loopback-mounted under Linux.

-apricot
  Reverse -pcdos, and convert the first sector from a PC-DOS superblock to an Apricot superblock. Note that this is the opposite of what this option did in LibDsk 1.1.9 and earlier.

-logical
  Rearrange the tracks in the logical order. This option has been superseded; instead you should use -otype logical to output to a logically-sectored raw image.

-noformat
  Don’t format the target disc/image - assume it’s in the correct format already.

SEE ALSO

dskdump(1)

AUTHOR

John Elliott <jce@seasip.demon.co.uk>.

Darren Salt wrote the man pages.

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Version 1.2.1 DSKTRANS (1) 27 December, 2007

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