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From: mitchalsup@aol.com (MitchAlsup1)
Newsgroups: comp.arch
Subject: Re: 80286 protected mode
Date: Tue, 8 Oct 2024 20:53:00 +0000
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On Tue, 8 Oct 2024 6:16:12 +0000, Lawrence D'Oliveiro wrote:

> On Mon, 7 Oct 2024 23:13:25 +0000, MitchAlsup1 wrote:
>
>> Is protected mode not "how Pascal" thinks of memory and objects in
>> memory ??
>
> How is that different from C?

In pascal you cannot subtract pointers to different objects,
in C you can.

>> Whereas by the time 286 got out, everybody was wanting flat memory ala
>> C.
>
> When did they not want that?

The Algol family of block structure gave the illusion that flat
was less necessary and it could all be done with lexical address-
ing and block scoping rules.

Then malloc() and mmap() came along.