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- Two South Spring Street
- Concord, NH 03301-2424
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- May 18, 1987
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- Public Brand Software
- P.O. Box 51315
- Indianapolis, IN 46521
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- Re: Software order
- Entry in Public Domain Contest
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- Gentlemen:
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- Please process the enclosed order as soon as possible. By the way, I appreciate the service that you folks
- provide. It encourages honesty by users, and encourages programmers to write more programs!
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- Speaking of writing programs, I have one which I would like to submit for your "3rd Public Brand Software Public
- Domain (and User Supported) Software Contest." It is called "IAU.EXE", which stands for "Interleave Adjustment
- Utility." I have tested it on several manufacuters' machines, including IBM's AT and XT, Commodore PC-10, Zenith
- Z-200 series, Honeywell, and one of the Compaq machines.
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- As you may know, the interleave setting affects hard disk performance. Normally, to change the setting, you must
- erase all of your data which is on your hard disk. My program keeps all of the data there, which eliminates the
- possibility of problems during backup or restore. The method for doing this is as follows:
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- Read one entire track into memory.
- Format that track with the new interleave value.
- Write the original data back out in the new format.
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- Repeat for the entire disk.
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- The program is written in 'C', except for some low-level routines which work better when coded in assembly
- language. I have included it on this disk for your perusal.
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- There are a few "DOC" files which need to be present with the software so that the help screens work. They are
- DOC files so that womeone can PRINT them if so desired. They can be modified in case the user wants the program
- to give different help messages.
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- "I am the author of this program and intend it to be freely distributed so long as the copyright notice is not
- altered in any way."
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- By the way, I would be glad to make the source code available along with the .EXE file, since I think that the
- novelty of this program is its "Read-Format-Write" function. There are no real "tricks" in the code itself --
- instead, the trick is in its execution, which could be duplicated once the method is realized.
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- Please notify me if you need any additional information.
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- Regards,
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- Dave Bushong
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