[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: Woody on 486 problem



On Thu, Feb 22, 2007 at 12:46:52PM -0600, John Hasler wrote:
> Ron Johnson writes:
> > But back in the day, with the limited silicon budget, segmentation is a
> > great way for a 16 bit system (that wants to maintain upward
> > compatibility with the 8080/8085) to address more than 64KB.
> 
> There was no upward compatibility between the 8080 and the 8086.
> -- 
> John Hasler

There was some at the assembly-language level -- it was possible to 
write conversion utilities that did *most* of the job.

-- hendrik



Reply to: