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BLAST.UNP
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1986-07-18
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1KB
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HOW TO UNPROTECT BLAST, version 7.1, by Communications Research
Group.
First, MAKE A COPY of your original disk. NEVER, EVER, mess
around with the original, unless you like blowing your software
away...
Using a good disk zapper such as the Norton Utilities, we will
make several small changes to BLAST.EXE. We will change the
following byte strings as shown:
Search for: 8D 1E 9C B5 E8 4A 00 72 F6
Change to : 8D 1E 9C B5 90 90 90 EB F6 (nop out C.P. call & return)
Search for: 8D 1E 4C B6 E8 37 00 72 E3
Change to : 8D 1E 4C B6 90 90 90 EB E6 (nop out C.P. call & return)
Search for: F3 A6 5E 74 01 F9
Change to : F3 A6 5E 74 01 F8 (fix carry flag so BLAST thinks all is
O.K.)
Write each of these changes to the disk as they are made.
BLAST is now fully unprotected and may be run from a hard disk, RAM disk, or
copied to a floppy.
LET THERE BE SOFTWARE!