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mmcd03-jun1995-cd.iso
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powerrip.doc
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1993-12-09
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PowerRIP -- Version 2.03
Not just another MOD extractor...
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Description
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MODRIP 1.0 was a quick little program I made in less than an hour, but it was
very powerful. Now 3 months later, I made PowerRIP 2.0, a full-screen
extractor with all the bells & whistles including pull-down menus, windows,
mouse support, MOD/STM/S3M/669/MTM extraction, and more!
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How It Works
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It tries searching the file you specify for a MOD/669/MTM identification
(M.K., M!K!, FLT4, SCRM, BMOD2STM, 6CHN, 8CHN, FLT8, if, or MTM), and
extracts the MOD from the file to the disk.
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Speed!
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PowerRIP is surprisingly fast! The only difference between PowerRIP and EXMOD
(another MOD extractor) is that PowerRIP uses a 32KB buffer and EXMOD uses a
4KB buffer. A 32KB buffer is more reliable, because the I.D. might spread
from the end of the first 4KB to the beginning of the next 4KB. A 32KB
buffer narrows down the possibility of that, but it still exists (but is VERY
rare to happen). Here is a chart explaining the speed difference between
PowerRIP and EXMOD on a 386DX/33 CPU with a 64KB cache and a 70ns RAM-drive:
Size of File PowerRIP speed EXMOD speed
------------ ------------ -----------
527860 2.58 sec 49.92 sec
402467 1.54 sec 31.96 sec
As you can see PowerRIP is OVER TWENTY TIMES FASTER THAN EXMOD!!! As proof
that it successfully completed the task, I compared the files PowerRIP and
EXMOD extracted and they were exactly the same, no compromise!
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Proof That It Works...
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I have tested PowerRIP on three demos so far that successfully extract: Minus
40 by Eterno (1 MOD), Dizzy Sensations by Anarchy (1 MOD), Greenhouse by
MegaBusters (3 MODs), and Hell by Renaissance (3 669s). And the result: they
sound better when played with Dual Module Player (my favorite!) than in the
demo! I have also tested in it on four other Renaissance demos, but PowerRIP
could not extract any MODs, probably because they remove the I.D.
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To Further Compress...
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MODs: Run MODCLEAN.
S3Ms: ?
STMs: ?
669s: Get into Composer 669, load the 669, and save it
again.
MTMs: Get into MultiTracker, load the MTM, and save it
again.
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When Extracting...
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Hell, by Renaissance 11/93 (3 669s):
In Scan Setup, check Un-titled 669s, uncheck all the others, and scan
HELL.EXE. Note: The 3rd song won't play in DMP 2.77, but it plays in
Composer 669.
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Notes
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Some crews have purposely removed or changed the I.D. in their demos so the
song(s) won't be "ripped" or "stolen" by other programs (like PowerRIP...
heheh), and therefore cannot be detected by PowerRIP. But in later releases
I may implement another way of identifying MODs other than the traditional
MOD I.D. check...maybe something like checking bytes to see if they conform
with the ProTracker standard (i.e. checking to see if the pattern order table
only has ASCII values of 0 to 128).
Welp, I hope you enjoy this completely rewritten version 2.03 of PowerRIP!
12/10/93
P.S. Thanx to Jeff Lawson parts of his HELLDUMP.BAS that provided my
SmartExtract routine for extracting 669s!
P.P.S. Call Digital Oxygene at 214-414-5041 (14.4k), 214-530-4636 (2400),
or 214-530-4820 (2400) to get the LATEST Triple J Productions,
Parental Advisory, Boomer the Bass Pig, Dual Module Player, more!