Can anyone recommend any freeware/shareware debugging tools suitable for
simple patching of a mis-behaving executable for which I have no source?  I
am not an OS/2 developer at present, and thus have no tools suitable for
the job.
 
The particular case in point is the DeScribe Frequent Flyer
"Upgrade" to DeScribe Voyager, which refuses to operate in my
desired environment.  As DeScribe is in liquidation no support is coming
from them and we are on our own.  What I forsee as my method of correcting
this problem is to load the program with a debugging trace record in the
environment in which it works and then do so again where it fails.  This
should enable me to locate the faulty test which is forcing an abnormal
exit and allow me to determine which instructions to NOP out to avoid the
incorrect exit.
 
I have asked here earlier if anyone had solved this problem and received no
response, so I assume its up to me to take this on myself.  If anyone has a
better approach or other suggestions I will be happy to hear them.
 
Dave

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