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From: Warren <ve3wwg@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: segfault with large-ish array with GNAT
Date: Fri, 19 Mar 2010 20:10:14 +0000 (UTC)
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Simon Wright expounded in news:m2bpeknq9p.fsf@pushface.org:

> tmoran@acm.org writes:
> 
>> IIRC, the Burroughs 6500 had what they called a "cactus stack" where
>> branching would occur for new threads.  And there was a Texas
>> Instruments microprocessor that had no real stack, but rather a set
>> of registers that could be saved to RAM on a subroutine call.
>> These preceded DOS.
> 
> The PDP-8 worked like that; the JMS instruction stored the return
> address in the first word of the subroutine, execution started at the
> next word.

That was the way with the IBM-1130 as well. Not too
good for recursive calls though. 

Warren