Re: equivalent to far in linux/unix

From: red floyd (no.spam_at_here.dude)
Date: 08/31/04 

Date: Tue, 31 Aug 2004 16:10:47 GMT

Andre Majorel wrote:

> On 2004-08-30, Rich Teer <rich.teer@rite-group.com> wrote:
>
>>On Mon, 30 Aug 2004, Andrew Falanga wrote:
>>
>>
>>>Thank you all for your responses. Sounds like this won't be as much a
>>>deal as I thought. Whoever, or whomever, thought up virtual memory ...
>>>thank you. This other models sounds rather like a pain to work with.
>>
>>Virtual memory has only been around, oh, about 10 years BEFORE the
>>first version of DOS shipped. That such hacks such as "near" and
>>"far" show how brain damaged the design of the original x86 was* and
>>how brain damaged DOS was, even in the era of 386 and newer x86 CPUs.
>>
>>* The equivelent Motorola chip, the 68000 did not make such a mistake.
>>What a shame the designers of the original IBM PC didn't chose this
>>much better CPU for their creation...
>
>
> Agreed, but... I read somewhere that designing the PC around the
> 68000 would have increased its price by 20% or 30%. I haven't
> found a detailed discussion of how they arrived at that figure,
> but I imagine that one of the factors is that 68000 code is not
> as compact since all addresses are 32-bit.
>
> Pity, really, considering the repulsive mess that is the 8086
> instruction set.
>

I think it had to do with the 8088 having an 8-bit external bus, while
the 68000 had a 16-bit external bus. The peripheral chips were cheaper.

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