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BBpatch.doc
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BaudBandit patch v0.1 docs
--------------------------
As it is supplied, the BaudBandit serial device is
incompatible with Willy Langveld's VLT. Older versions of VLT can
open the device, but GURU a short time later. More recent releases
simply refuse to open it. This incompatibility is due to the
non-standard name the author gave the device. CBM guidelines state
that all device names should consist of lower case letters only.
Merely changing the filename of the device does no good, because the
device's internal name is still BaudBandit.device.
Version 0.1 of BaudBandit patch is designed to patch version
1.4 of BaudBandit.device to conform to standard naming conventions.
The dos command "version" does not work on the device, so check the
documentation to be sure you have 1.4. It may work with other
versions, but it only has been tested with 1.4. To create a patched
version of the device, invoke the program from the CLI like so:
BBpatch <infile> <outfile>
<infile> = name of the unpatched BaudBandit.device
<outfile> = name to give the patched baudbandit.device
I suggest that you give the patched version the filename
"baudbandit.device", because while AmigaDOS is not case sensitive,
apparently some VLT internals are. The patched version's internal
name is "baudbandit.device", if this does not match the filename, VLT
will cause a GURU some time later. Afterwards, you can delete the
unpatched version and copy the new one into your DEVS: directory.
Note that if another program has already opened the unpatched
BaudBandit.device before VLT, you must reboot the Amiga to use the
patched device; this is so even if the other program has been
terminated. The device remains resident, and VLT will find it in
memory instead of loading in the new version from disk.
If you find that this program does not work with a particular
version of BaudBandit, you can still manually patch the device with a
binary editor. Somewhere near the beginning of the file is the
internal name. All you have to do is change the two B's to lower case
ones.
This patch was written with version 1.2b of PCQ Pascal. To
quote Dave Benn of ACEbasic fame, "Ain't PD great?".
-Sherm Chan
sherman@panix.com
c9tqc@qcunix.acc.qc.edu