Subj : Re: OT: horrible 8086 segmentation
To   : All
From : =?UTF-8?Q?Josef_M=C3=B6llers?=
Date : Tue Nov 26 2024 18:37:02

On 25.11.24 18:33, mm0fmf wrote:
[...]

> e.g.
> "
>      // start of barrel
>      EventRec far* searchp = (EventRec far*) work.bufs;
>
> "
>
>
> My eyes! My eyes! That was COMPACT model code, so 64k of code and 1MB of
> data, code addresses were 16bit offsets to the CS reg and data was far
> so 32 bits of segment and offset of DS or ES. And of course you had to
> be extra careful of any pointer arithmetic as a far pointer wrapped
> after 64k. You had to use slower HUGE pointers to get automatic
> normalisation. God it was shit.
>

And to consider that, at that time, processors like MC68000 or NS32016
were readily available.

Josef

--- SoupGate-Win32 v1.05
 * Origin: Agency HUB, Dunedin - New Zealand | Fido<>Usenet Gateway (3:770/3)

.