An interesting historical note, early versions of the FreeDOS kernel (DOS-C
kernel) were portable to the 68k architecture. See (
http://en.m.wikipedia.org/wiki/Pat_Villani).

-L

On Wednesday, January 9, 2013, Ralf A. Quint wrote:

> At 04:15 PM 1/9/2013, Michael Robinson wrote:
> > > Most embedded processors (that are still actively produced) are
> > > 32-bit. Anyways, I don't think FreeDOS qualifies, at least not for
> > > 8-bit (AVR??) ones.
> >
> >PIC16F505, PIC16F1938...  these are microchip baseline 8 bit
> >microprocessors intended for embedded use.  Yes microchip offers
> >32 bit processors, but one often doesn't need them unless USB or
> >ethernet is required for the application at hand.
> >
> >It would be interesting to port Freedos to something other than the
> >ia32 architecture.
>
> And what you are going to do with such a "port"?
>
> Sorry, if you (try to) port FreeDOS to anything other than x86, you
> simply don't have DOS anymore.
>
> Beside that those micro controllers won't run much more than very
> task specific software, mainly due to very limited stack and RAM
> space on those chips, certainly not on any of the 8 bit ones.
> A PIC16F505 has 1024 12bit "words" (1.5KByte) of program (flash)
> memory and a full 72 bytes of RAM. And a PIC16F1938, though it has a
> full 28KByte of program (flash) memory, it still has only 1024 bytes of
> RAM.
>
> Good luck trying to run anything that would even remotely resemble
> "DOS" (as in MS/PC/DR/FreeDOS) on it...
>
> Ralf
>
>
>
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