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Crawly Crypt Collection 1
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arjpack.txt
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1992-03-10
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ARJ program packer, TEST version
Hi, user !
This is only *TEST* version of my ARJ packer. It is possible, that it
contains some bugs still. If you will find any, please, send me information
about it. I will fix it, when possible.
Warning: This TEST version isn't fully functinal; it is limited for use
only with programs shorter than about 60 kB of TEXT+DATA+BSS sections (what
is the reason? ;-). When you applicate ARJPACK to files with longer these
sections, you will get unreliable results.
The packing method used in this program was created on the impression
of the Robert Jung's ARJ program for PC type computers. But, my algorithm
used here is completely idea of mine. I wrote about it to Robert Jung, but
without any answer...
ARJ packer is written only in C language and therefore isn't too fast;
it is but very good for implementation in assembler language. After rewrite
to assembler it is possible to get speed of SIX- to TEN-multiplication of
current speed.
The small routine, what is linked to every packed program, has length
about 300 bytes and of course it is written in assembler.
Method used for data crunching is slightly similar to the original ARJ
method number 4, but it is better in packing result. Files packed by this
program are shorter of about three percent in comparison with original ARJ.
I'm sending many thanks to Robert Jung, that he caused my work on my
own ARJ packing algorithms, over he have no interests about it.
When you want send me an information, or get fully functional version,
you can write me to address:
Jiri Lamac FIDOnet: 2:420/14.0@fidonet.org
Predborska 8 Tel.: +42-2-842424
182 00 Prague 8
Czecho-Slovakia
Prague, 3-10-1992
End of document