I recently upgraded my MPLAB to version 5.7.  This upgraded MPLINK to
version 3.1.  Unfortunately MPLINK 3.1 has a serious problem.  It allocates
sections in ascending size order (duh!) instead of descending as the manual
states, all earlier version did, and common sense dictates.  (Didn't anyone
even look at a MAP file before shipping the new version, or did some
bonehead actually try to "fix" the backwards sort oder?!)  This will cause
problems for projects on chips with multiple code pages and that nearly fill
the chip.  That's how I discovered this bug.  Projects that used to link
fine now run out of memory.

I have just received confirmation from Microchip that they acknowledge this
bug and plan to fix it in MPLINK 3.20, although they give no expected
release date.  In the mean time, MPLINK 2.60 will work with an MPLAB 5.7
installation.  You only need to replace the files MP2COD.EXE, MP2HEX.EXE,
MPLINK.EXE, and _MPLINK.EXE in MPLAB 5.7 with the MPLINK 2.60 files.
Obviously you loose any new features added to MPLINK since 2.60, but the
allocation scheme is fixed.


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Embed Inc, embedded system specialists in Littleton Massachusetts
(978) 742-9014, http://www.embedinc.com

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