On 2017-12-04, at 16:55:53, Charles Mills wrote:

> DOS/8086 had that awful "folded" 20-bit segment addressing scheme.
>  
When the 286 appeared it seemed that the 8086 scheme was an
anticipation or design fallback or compatibility bridge.  Programmers
shouldn't have exploited the "folding" by accessing the same location
with two different segment registers.

> Interesting presentation.
> 
> -----Original Message-----
> From: Paul Gilmartin
> Sent: Monday, December 4, 2017 3:22 PM
> 
> Gordon Bell?:
> http://gordonbell.azurewebsites.net/computing%20versus%20corporate%20platforms%20011204.ppt

-- gil

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