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-unalf is a compressor and decompressor for the ALF file format, as
-used on the Atari 8-bit computers in the late 1980s.
-
-The latest unalf source is avaailable at:
-
- https://slackware.uk/~urchlay/repos/unalf
-
-The latest Windows binary release is available at:
-
- https://slackware.uk/~urchlay/unalf4win/unalf-0.2.0-win64.zip
-
-The ultimate goal of this project is to reimplement the ALF
-compression and decompression algorithms on modern systems aka
-Linux and anything else that's POSIX-ish. It's also intended to
-be a repository of information about the ALF archiver (and UNALF
-dearchiver).
-
-Currently, the compressor (alf) and the decompressor (unalf) are
-working, though not widely tested. Possibly I should change the name
-of this project from "unalf" to something like "alf-tools", now that
-it has a compressor, too.
-
-The original LZ.COM/DZ.COM (aka ALF/UNALF) programs for the Atari were
-written by Alfred.
-
-This project is by B. Watson (urchlay@slackware.uk).
-
-The rest of this file is a list of the contents of the git repository
-or distribution tar/zip file.
-
-Included in both the source and binary distributions:
-
-- README.txt - you're reading it now.
-
-- TODO.txt - plans for the future.
-
-- doc/Arcinfo - describes the format of ARC compressed files. The ALF
- file structure is almost identical to ARC's. This file was taken from
- the arc-5.21q source.
-
-- doc/DZ.COM - the Atari executable of the ALF extractor (aka UNALF).
- This and LZ.COM are the same files as the ones inside the .atr image.
-
-- doc/LZ.COM - the Atari executable of the ALF archiver (aka ALF).
-
-- doc/alf14.atr - bootable DOS 2.0S disk image, with LZ.COM (aka ALF),
- DZ.COM (aka UNALF), and the documentation. This is not the original
- distribution disk: there never was one. Alfred distributed these
- files as an ARC archive on his BBS.
-
-- doc/alf14_doc.txt - the documentation for LZ.COM and DZ.COM, extracted
- from the disk image and converted from ATASCII to standard ASCII.
-
-- doc/fileformat.txt - documents how the ALF file format differs from ARC.
-
-- doc/interview.txt - an email interview with Alfred, author of AlfCrunch
- for the Atari 8-bit.
-
-- doc/review.txt - a review of the original ALFCrunch, from an Atari
- magazine.
-
-- examples/* - ALF files found in the wild.
-
-Included in the source distribution only:
-
-- BUILD.txt - directions for compiling unalf.
-
-- src/ - the source.
-
-- doc/LZDZ.zip - 6502 assembly source for LZ.COM and DZ.COM, by Alfred.
- This isn't the original source (which was for Mac/65), it's been
- split into multiple files and ported to the Six Forks assembler.
-
-- f65/ - "fake 6502" porting layer. Not for the faint of heart. The
- unalf algorithm was ported from a disassembly of the 6502 code,
- using a perl script to convert the 6502 mnemonics to C macros.
- This means I was able to port the code without fully understanding
- how it works...
-
-- testing/alfls - a Perl script that lists the contents of an ALF
- archive. Run it with --help for more information. If you're
- packaging unalf for a distribution, there's no need to include this
- script in the package: I wrote it for testing purposes only. You can
- use "unalf -l" to list .alf files, so this is redundant.
-
-- magic/ - "magic" that allows the file(1) command to identify ALF
- archive files. See magic/MAGIG.txt for details.
-
-Included in the binary distribution only:
-
-- README_Windows.txt.
-
-- alf.exe, unalf.exe, and alfsum.exe - the Windows executables.
-
-- alf.html, unalf.html, alfsum.html - the man pages, converted to HTML.