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Crawly Crypt Collection 1
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modcon
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modcon.txt
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1994-08-07
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MODCON
A freewareprogram by The Octalyser Team
version 1.0 7 August, -94
What is MODCON?
One day I got a phonecall from one of our registered
Octalyser users. We discussed a few things and he mentioned
that FastTracker (the most popular tracker on the PC) and
probably no other 8 channel PC-Tracker could load Octalyser
modules with more than 4 voices. Since he wanted to spread his
compositions to a broad public this was a big problem since no
PC-owner could listen to his tunes. That's why I wrote MODCON,
it's a simpel program that converts an Octalyser module
(as well as some other module formats) to a FastTracker module.
How do I use it?
When you start MODCON you will be presented with a fileselector
that asks you to select a module. The module is then converted
to a FastTracker module in a fraction of a second and the
fileselector appears again asking you for a new module to convert.
Selecting cancel will quit the program.
If you find a module that MODCON can't convert, simply load it
into the Octalyser. If you get it successfully into the Octalyser
you only have to save it back. MODCON will now recognize it as a
normal Octalyser module.
If you want to convert the module back to an Octalyser module,
just load it into the Octalyser and save it. Please notice
that the FastTracker format doesn't support different
basefrequencies, so if the module is using 20 or 25 kHz base-
frequency you have to set it back yourself.
How does it work?
Nearly all 4,6 and 8 channel modules have their data organized
identically, there are really no difference in the moduledata,
except for the header. The header is four bytes, starting from
offset 1080 and tells what tracker it was written in and how
many voices the module have.
The problem when loading an Octalyser module into FastTracker is
that FastTracker doesn't recognize Octalyser's header (CDxy, where
x is the amount of voices and y states the basefrequency, 0=16 kHz,
1 = 20 kHz and 2 = 25 kHz). FastTracker then probably assumes that
the module is an old 4 voice, 16 instruments module, since these
didn't have any header and could contain any value in these four
bytes.
If MODCON runs into a header it doesn't recognize, it tells you
and skips the conversion.
system requirements
Any Ataricomputer with an operatingsystem of version 1.4 or higher
and at least 3 kb of free memory... sorry, just had to write it :)
Best wishes
Tord Jansson
THE OCTALYSER TEAM