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UPDATE.152
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1993-01-27
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Update Reference file - MPModem v1.52 Copyright (c) M. Jose, 1993
All changes and revisions made in version 1.52 are of a non-visible
nature.
Some of the changes:
- Bug fix of frame reference. Some versions of Zmodem have been
"twiddled with" and send some odd frames to try to get this
Zmodem to send big packets, escaped encoding etc. I only
allow changes that are "standard" or that meet the highest
common denominator.
- Fix memory allocation to better reduce memory overhead. Most
strings are used and then freed. As this is written in C,
extensive use of pointers is accepted as a common means to
speed up a program.
- Less code in the serial routines to speed up transfer. The
extra speed is rather minute - but every little bit counts.
- Bug in initiation routine would sometimes cause "garbage"
to appear in the message field. This was a memory bounds
problem now fixed - all other possible problems have been
tested.