[Vm-dev] MacOS vs MacOSX?

Casey Ransberger casey.obrien.r at gmail.com
Thu Jun 5 16:42:40 UTC 2014

I think it's pretty safe to say that there aren't too many 68k machines
still running on a daily basis, whether or not any of them ever ran Squeak.
PPC is probably still worth supporting presently.

It seems likely that Squeak was originally bootstrapped on a 68k machine,
but I think part of the goal was to get rid of that old hunk of junk:)

"Worse yet, the original interpreter consisted of 120 pages of sparsely
commented 68020 assembly code"
-- from Back to the Future: The Story of Squeak, A Practical Smalltalk
Written in Itself


I'm glad to see that you intend to support the PDP11, BTW!

On Thu, Jun 5, 2014 at 9:29 AM, gettimothy <gettimothy at zoho.com> wrote:

> >Nah, I didn't want to discourage you. The interpreter VM on Mac is not
> maintained currently anyway. The Stack VM might work on PPC but I don't
> think anyone ever tried. And I don't know even know for sure if Squeak ever
> worked on a 68K Mac (although I suppose it did) - Apple >switched to
> PowerPC in 1994 and Squeak was released in 1996. Supporting 68K would be
> just for completeness, not much actual usefulness.
> >Bert
> >The StackVM does not currently work on PPC, but Eliot is looking into it
> and I am going to fill out the FFI in ThreadedPPCBEFFIPlugin. So we will
> have a Cog/Stack VM for PPC.
> >Doug
> Awesome.
> Thanks guys.
> I will add a GNU build directory for build.macosppc to put that GNU make
> configuration in.
> On the CMake side, I will add that category.
> I will add the M68000 stuff just as soon as I get the VAX and PDP11 stuff
> done (:
> cheers.
> tty
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