From: muta...@gmail.com   
      
   On Monday, September 5, 2022 at 1:03:24 AM UTC+8, Scott Lurndal wrote:   
   > "muta...@gmail.com"  writes:   
   > >On Sunday, September 4, 2022 at 9:25:34 PM UTC+8, wolfgang kern wrote:   
   > >> On 04/09/2022 06:32, muta...@gmail.com wrote:   
   >   
   > >Noone had done segmentation before and it   
   > >would take decades of science still to   
   > >work through the repercussions.   
   > Several very successful systems that predate the   
   > 8086 by a full decade used segmentation; examples include the PDP-11,   
   > the B6500 et alia.   
      
   They presumably didn't do 4 bit shifts or similar   
   so didn't hit the a20 issue nor the flexible shift issue.   
      
   The a20 is probably because of cp/m PSP though,   
   not segment shift.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)