Creating squeak pluggable primitives - a few ideas, some confusion, looking for like minded folks

Justin Walsh jwalsh at bigpond.net.au
Fri Nov 9 20:49:25 UTC 2001


Great observation Juan.
You may just get further than I did.
I bet you used a D2 Kit too at sometime.

----- Original Message -----
From: <jmvuletich at sinectis.com.ar>
To: <squeak-dev at lists.squeakfoundation.org>
Sent: Saturday, November 10, 2001 5:26 AM
Subject: Re: Re: Creating squeak pluggable primitives - a few ideas, some
confusion, looking for like minded folks


> > ...
> >
> >  tim
> >  --
> >  Tim Rowledge, tim at sumeru.stanford.edu, http://sumeru.stanford.edu/tim
> >  Strange OpCodes: NBR: Unconditional No BRanch
>
> The Motorola 6809 actually had BRN: BRanch Never! A NOP that used two
bytes and used three CPU cycles. It also had SEX (Sign EXtend a 8 bit value
to 16 bit).
>
> Regards,
> Juan Manuel Vuletich
>
>





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