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- ========================= Zoom/ZoomCheck 4.1 =========================
- ======================================================================
- A floppy disk tracking and archiving utility, written by Olaf `Olsen'
- Barthel of MXM. © Copyright 1990, 1991 by MXM, Lh data
- compression/decompression code © Copyright 1990 by Holger P. Krekel &
- Olaf Barthel. Shareware, all rights reserved. No guarantee of any
- kind is made that the program(s) described in this document are 100%
- reliable. You use this material on your own risk.
-
- About This Release
- ==================
- There was a more or less serious bug in the bitmap reader Zoom!
- used to determine which blocks were to be skipped before compression
- causing Zoom! to emit partly corrupt archive files. This bug has
- been fixed, thanks to Michael Beer who discovered this undocumented
- feature and who was able to send me a sample disk which produced the
- error!
- Older Zoom! releases will still work correctly provided that the
- `clear unused blocks' option is not in effect. Strange enough the
- error was happening at random and very rarely as well; your older
- Zoom! archives may still be intact.
- This release is contained in a new self-extracting archive which
- was put together in roughly two hours time. Nevertheless the archive
- file is smaller than in the previous release (about 20 KBytes). I
- will try to rewrite the archive utility to use Lh in the future
- (believe it or not, the archive header was written in `C' and is just
- 604 bytes in size).
-
- -
-
- This release is being distributed in the form of a self-extracting
- archive file. To obtain the distribution files, enter the Shell/CLI,
- type `ZOOM.EXE' and press return, the following files will be created
- in the current directory (it may take quite a while):
-
- Release Date: 09-Jan-91, 14:50
-
- Zoom (CRC = $2E79D5C3, Size = 55200 Bytes)
- Zoom.info
- ZoomCheck (CRC = $2538C75C, Size = 18164 Bytes)
- ZoomCheck.info
- CRC (CRC = $4F5177B9, Size = 4104 Bytes)
-
- Zoom.doc (Size = 30073 Bytes)
-
- Use the CRC utility to verify if the `ZOOM.EXE' file is in correct
- state (enter `CRC ZOOM.EXE' and press return). The WRAP checksums of
- all executable files should be zero.
-
- Release Date: 09-Jan-91, 14:53
-
- ZOOM.EXE (CRC = $2B097302, WRAP nonzero, Size 59344 Bytes)
-
- If the checksums do not match the given sample, the archive has
- been accidentally corrupted or deliberately modified!
- If you don't trust the checksums, send me a letter or electronic
- mail (adresses listed below) and ask for the `factory checksums':
-
- Olaf Barthel, MXM
- Brabeckstrasse 35
- D-3000 Hannover 71
-
- Federal Republic of Germany
-
- Z-Net: O.BARTHEL @ A-Link-H
- Fido: Olaf Barthel @ 2:240/1 (New adress!)
-