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PlayMACk
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README
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1988-12-30
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************************** PlayMACk **************************
by Bruce Twambly
PlayMACk is a program that converts Macintosh sound files to
the Amiga 8SVX format. Of course, you still have to get the
binary files onto an Amiga formatted disk, via modem or other
conversion path.
(I took a roundabout path by converting from MAC to IBM and
then from IBM to AMIGA. Argh!)
This program was written in 'C'. It differs from other programs
in that it not only converts raw MAC files but will also convert
those pesky compressed MAC files. You can identify this type
of file but typing it out in hex and looking for 'HCOM' as
the first four bytes.
The algorithm came from a Pascal/Assembler program in the
MAC Development area of GEnie. After a little work, I converted it
to 'C'. I could have kept it in assembler, but then you couldn't
get a feel for how the technique works. It's a little more
straight forward in 'C'.
To use the program simply type
1> PlayMACk <filename> <freq> <CR>
where
<filename> is the MAC sound file to convert
<freq> is a guess as to the samples per second
Common values for MAC files are 7400,11000, and 22000.
The output has the same filename with .8SVX appended to it. Then
use what ever sound player you like to listen.
To save time, I've included a VERY simple program which will just
change the frequency value in the 8SVX header if you guessed wrong
in the initial conversion.
Type
1> FreqChange <filename>
where
<filename> is the newly converted Amiga sound file
These programs open a whole new world to sampled sound lovers.
A large selection of MAC sounds are in the MAC roundtable of GEnie.
Download the file, Un-Sit the file (look for the Amiga "Unsitter"),
and then run PlayMACk on it.
This program is FREEWARE. It may be freely distributed for private
use or for inclusion in private or commercial programs. I just
ask that this file tag along with all copies. Thanks.
Enjoy!!
(If you have any questions or comments, I can be reached on GEnie mail.
My mail address is B.TWAMBLY)
Bruce Twambly 26 August 1990
*********************************************************************/