Joe Geiser writes:

>If I remember correctly, when we went from MPE-V to MPE-XL (16 to 32-bit),
>we needed to at least, recompile.  In some cases, we had to do more than
>that.

Actually, the vast majority of user applications didn't require any sort
of "migration" except store/restore. Recompiling got the next level of
performance, but compatibility mode (emulation) worked -- works! --
perfectly well.

This is kind of fun for us HP 3000-plus-Macintosh users. We've been
through two nearly seamless CISC-to-RISC migrations, after all, and are
anticipating the fun and games when the need to provide a clean migration
is answered by the lackadaisical engineering standards of the PC world.
It's going to be a bad time for end-users, but it'll be great for
consultants.

-- Bruce


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