Re: Address bits again, Article on new mainframe use

On Sun, 8 Sep 2024 16:12:35 +0000, Scott Lurndal wrote:
 

mitchalsup@aol.com (MitchAlsup1) writes:

On Sat, 7 Sep 2024 23:45:10 +0000, Lawrence D'Oliveiro wrote:
>

On Thu, 5 Sep 2024 14:59:20 -0000 (UTC), John Levine wrote:
>

What I really wanted was relocatable segments I could load on demand or
paging, but that was a lot to ask of an 8088 or a real mode 286.

>
The Burroughs machines had swappable segments, I gather. So the
difference
between segmentation and paging came down to: the address space is still
linear, but segments are variable-length, and pages are fixed-length.
>
It was soon generally agreed that fixed-length pages were easier to deal
with.

>
Largely because you could swap out part of a segment.

>
The portion of the Burroughs MCP that deal with rolling out and rolling
in segments was called 'HIHO'.
>
As in Hi Ho,  Hi Ho, it's off to work we go...

 I O, I O, its off to the printer we go ...