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From: Dave Horsfall <dave@horsfall.org>
To: The Eunuchs Hysterical Society <tuhs@tuhs.org>
Subject: Re: [TUHS] Unix quix
Date: Thu, 30 Jan 2020 15:00:10 +1100 (EST)	[thread overview]
Message-ID: <alpine.BSF.2.21.9999.2001301457490.15513@aneurin.horsfall.org> (raw)
In-Reply-To: <20200122184244.14CBB18C083@mercury.lcs.mit.edu>

On Wed, 22 Jan 2020, Noel Chiappa wrote:

[ Whirlwind ]

> Pretty interesting machine, if you study its instruction set, BTW; with 
> no stack, subroutines are 'interesting'.

Not much worse than the PDP-8 :-)  Plant return address in first word and 
jump to the second word; to return, do an indirect jump to the first word.

Recursion was possible. but I think you had to emulate the stack.

-- Dave

  parent reply	other threads:[~2020-01-30  4:00 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-22 18:42 Noel Chiappa
2020-01-24 18:57 ` Paul Winalski
2020-01-30  4:00 ` Dave Horsfall [this message]
2020-01-30  6:32   ` Angelo Papenhoff
  -- strict thread matches above, loose matches on Subject: below --
2020-01-24 19:38 Nelson H. F. Beebe
2020-01-24 20:05 ` Bakul Shah
2020-01-22 20:49 Doug McIlroy
2020-01-22 23:06 ` Rob Pike
2020-01-23 15:56   ` Leah Neukirchen
2020-01-24  2:44     ` Warner Losh
2020-01-24 14:49       ` Clem Cole
2020-01-24 16:34         ` Jon Steinhart
2020-01-26  0:03           ` Heinz Lycklama
2020-01-24 16:40         ` Warner Losh
2020-01-20 20:28 Rob Pike
2020-01-20 21:06 ` Adam Thornton
2020-01-22  9:31 ` Rob Pike
2020-01-22 14:57   ` Dan Cross
2020-01-22 17:54     ` Warner Losh
2020-01-22 18:01       ` Vincenzo Nicosia
2020-01-22 18:21       ` Clem Cole
2020-01-22 19:42         ` Warner Losh
2020-01-22 20:42           ` Clem Cole
2020-01-22 23:10             ` Rob Pike
2020-01-22 23:34             ` Warner Losh
2020-01-22 23:42               ` Clem Cole
2020-01-22 19:00       ` Warner Losh

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