• From: KenNorth <KenNorth@e...>
• To: xml-dev@l...
• Date: Sun, 23 Jul 2000 02:09:55 -0700

> an interpreted /JIT  compiled "Intermediate Language" that is conceptually
pretty similar to the
> idea behind the JVM.

Not an original concept by Microsoft or Sun:

- Ken Bowles' UCSD P-System of the late 1970s used a virtual machine and
intermediate code called p-code for portability

- About 30 years ago, developers built a portable DBMS using a similar
concept, except there was no compiler that emitted intermediate code. That
was the era when hard-core developers used assembly language. They coded
directly in virtual machine opcodes called DMOPs (Data Management
OPerators), which were executed by a DMOPS interpreter.

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