On Tue, 28 Mar 2017 08:43:18 +0300, Binyamin Dissen wrote:

>On Mon, 27 Mar 2017 18:10:35 -0400 Charles Mills wrote:
>
>:>The fact that the hardware guys and gals made the hardware capable of 
>execution above the bar means IBM is giving this some thought. (The thought 
>may be "Heck, no!" <g>)
>
>Well, they never supported code execution from a dataspace ......
> 
Isn't that a hardware limitation. whereas execution above the bar is
restricted by (some) software?


On Tue, 28 Mar 2017 09:00:47 -0500, Tom Marchant wrote:
>
>In order to support execution above the bar, these have to be changed. My view 
>is that these are being addressed gradually, and I suspect that eventually, 
>z/OS will allow full support for RMODE 64 programs.
>
And some control blocks and programming interfaces will continue to
require 24-bit addresses.  Sigh.

-- gil

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