Last night I published a new AMB specification and new toolset (amb,
ambpack and phpamb).
<http://mateusz.fr/amb/>
The major change is that AMB files can now be compressed.
The compression is a crude, back-referencing algorithm of my own design,
called MVCOMP <http://mateusz.fr/mvcomp/>. Its compression rate is not
spectacular, but it is not much worse than deflate, while being
significantly simpler and faster. It makes AMB files almost twice more
compact, without any impact on performances (files load actually faster
because there is less sectors to read) and without increasing memory
requirements since MVCOMP can perform in-place decompression without any
extra buffers.
I believe this should be of special interest to the FreeDOS project: the
FreeDOS help is using AMB nowadays and the help file is painfully large.
The new AMB toolset is still compatible with old (uncompressed) AMB files.
Mateusz
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