Robert wrote:

Hello […]
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Hello

I'am also interested in getting the COM Port running for old DOS software.
This would be very nice .
Thank you
Robert

I am also trying to program variouse radios in XP with old DOS software and so far I am not haveing much luck. I have tried the serilal port fix from hal9000. I have tried setting up the conf file in diffrent ways with no luck. If anyone has had any luck programing old kenwood or motorola radios with dosbox I would like to know.
I am getting the error of "unhandled int 14 call 1" and "unhandled int 14 call 2"

Get a CVS build, it has the int14 implemented.

DOSBox SVN Builds

Yes, it is in DOSBOX 0.62 (in Windows version only, not on Linux etc). See "directserial" section in DOSBOX.CONF. I have never used it, so I cannot tell anything more to it.

Is in program for linux?

nope. directserial is at the moment windows only.