Smalltalk Virtual Machine
that allows a Smalltalk image to run on an underlying platform. The
executes compiled methods whose code is expressed as
sequences. It includes a process model, stack-frames, closures (sort of), and a variety of debugging hooks.
described an early
, no corresponding
was ever actually built. The early
s, built by Xerox, varied from the
in significant ways.
Later versions diverged even more dramatically, including the "HPS" implementation that supported
, various compiler optimizations, and several varieties of bit-mapped graphics magic.
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March 24, 2004
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