Re: QBUS Prototyping

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From	koehler@eisner.nospam.encompasserve.org (Bob Koehler)
Newsgroups	alt.sys.pdp11, comp.sys.dec, comp.os.vms
Subject	Re: QBUS Prototyping
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Date	18 Apr 2011 12:53:28 -0500
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In article <iohs8j$ha6$1@pcls6.std.com>, moroney@world.std.spaamtrap.com (Michael Moroney) writes:
> 
> I'm guessing that instruction was developed for some compiler(s) which had
> some bizarre linkages for subroutines, and very few, if any, assembly
> language programmers ever used it, beyond trying to figure out what to do
> with it.

   I've worked with non-stack oriented systems that passed their
   arguments via memory resident linkages.  MARK looked to me like an
   attempt to do something like that, but in a way that it actually
   had to use a stack.

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Re: QBUS Prototyping koehler@eisner.nospam.encompasserve.org (Bob Koehler) - 2011-04-18 07:56 -0500
  Re: QBUS Prototyping Johnny Billquist <bqt@softjar.se> - 2011-04-18 08:07 -0700
    Re: QBUS Prototyping moroney@world.std.spaamtrap.com (Michael Moroney) - 2011-04-18 17:26 +0000
      Re: QBUS Prototyping koehler@eisner.nospam.encompasserve.org (Bob Koehler) - 2011-04-18 12:53 -0500
      Re: QBUS Prototyping Johnny Billquist <bqt@softjar.se> - 2011-04-18 20:35 -0700
        Re: QBUS Prototyping moroney@world.std.spaamtrap.com (Michael Moroney) - 2011-04-19 15:34 +0000
          Re: QBUS Prototyping Johnny Billquist <bqt@softjar.se> - 2011-04-19 09:47 -0700
    Re: QBUS Prototyping koehler@eisner.nospam.encompasserve.org (Bob Koehler) - 2011-04-18 12:49 -0500
      Re: QBUS Prototyping Johnny Billquist <bqt@softjar.se> - 2011-04-18 20:36 -0700

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