Dwight Hughes dwighth at
Wed Oct 28 08:08:22 UTC 1998

Dave Astels wrote:
> Hello.  I'm new here and so thought I would introduce myself.
> I've been working off & on in/with/on various implimentations and
> incarnations of Smalltalk since '91.
> I'just recently discovered Squeak.... it's fantastic.  It has the clean
> lines of the original Smalltalk-80 that originally caught my attention.
> I'm especially impressed with the extension of the Smalltalk principle
> of reflexion taken to the full extent.. the VM itself.  I've started a
> project to build a version of Rod Brooks Behaviour language (tentatively
> called "Behave Yourself" :-) and a subsumption architecture VM in Squeak
> (I had recently begun in VWNC).  I've switched to Squeak due to a) it's
> openness, and b) the VM building support that is built in.  A Smalltalk
> implementation of the Virtual Subsumpton Machine (VSM) was going to be a
> central feature of the system, with a handcrafted C version developed
> for use on embedded hardware.  Now, with the Squeak tools, the C version
> can be generated.

This sounds pretty neat! At the risk of distracting myself, would you
like to expound a bit more on your project? I have only a passing
familiarity with Brook's subsumption architecture, but the possibilities
it presents for developing simple, robust control systems is most

-- Dwight

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