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5.4 Extracting Disk-Images
Description
This article is from the Apple ][ Emulator Resources Guide, by Alex Maddison with numerous contributions by others.
5.4 Extracting Disk-Images
It is possible to convert a disk-image BACK to an Apple ][ 5.25" disk. "UnImage v0.1" by Ivan Drucker <drucker@lclark.edu> will convert disk-images back to disks. One of the options of "DSK2FILE 4.4" by Ron Kneusel <rkneusel@post.its.mcw.edu> is to write an image file back to 5.25" floppy. Alternatively, "DeImage v0.1" by Ivan Drucker extracts Applesoft and Binary files from disk-images into ProDOS, although the process will only work with standard DOS3.3 disks (ie. disks possessing a catalog). Finally, "UnForkIt v0.1" also by Ivan Drucker converts forked files on ProDOS volumes to one or two unforked files. These utilities all require the disk-image to be on a mounted ProDOS volume. "Apple Disk Transfer 1.20" by Paul Guertin <guertinp@iro.umontreal.ca> can transfer a disk-image from MSDOS or Macintosh to a 5.25" Apple drive via null-modem cable. Finally, it is possible to create a "shrunk" disk-image in reverse. Having reordered the disk-image into ProDOS Order (if necessary), use "Nulib" (version 3.2 or greater is required) to create a shrunk-disk (.sdk) archive. Transfer the file back to the Apple and use ShrinkIt to decompress the image back to a diskette.
PROGRAM LOCATIONS: ftp://cassandra.ucr.edu/pub/apple2/incoming/ftp://kreeft.intmed.mcw.edu/Q/pub/apple2/dsk2file/4.0/http://keaggy.intmed.mcw.edu/dsk2file.html (WWW access to FTP site) ftp://cassandra.ucr.edu/pub/apple2/incoming/ftp://ftp.apple.asimov.net/pub/apple_II/utility/adt120.ziphttp://www.jurai.org/~funaho/emulators/XGS/nulib324.zip (PC compile version 3.24) ftp://apple2.caltech.edu/pub/apple2/ARCHIVERS/nulib324.tar.Z (source code)
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