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VisualDSP++ 1.0 for the 210xx SHARC family

I'm looking for the very first release of VisualDSP++ for  the 210xx SHARC family. I need to update a very old project developed in year 2002 using G21k compiler on 21020 ADSP. As far as I remember the toolchain we used was the one provided by VisualDSP++ 1.0.

More in detail, the project development was started using ADSP-21000 Family Development Tools release 3.3. Then in year 2002 the compiler and the libc.a library were updated with something newer. My best guess is that the update did come from VisualDSP++ 1.0.

Can anyone help me to retrieve at least the libc.a file?

Thanks in advance!