Re: [Freedos-user] Arduino Port of FreeDOS

[Ralf Q. <fre...@gm...>]

On 1/12/2018 2:15 PM, Ercan Ersoy wrote:
> Hello,
>
> I'm Ercan Ersoy (creator of DOS Coreutils and FreeDOS TUI Shell) and 
> this e-mail address that I use general purpose.
>
> I have an idea.
>
> FreeDOS is a operating system that has some advantages. But, FreeDOS 
> only runs PC platform. I think, FreeDOS can be ported other hardware 
> such like Arduino.
>
> Arduino is a microcontroller development platform and it is a 
> microcontroller. Arduino has some models. People usually use Arduino 
> Uno and Arduino Mega2560. Also, Arduino is a open source. Arduino 
> models uses AVR microcontroller or ARM microcontroller.
>
> I use orginal Arduino Uno, Arduino Uno clone and Arduino Mega2560 
> clone. These are good platforms.
>
> As we all know FreeDOS is written C language. FreeDOS can be ported 8 
> bit AVR microcontrollers and 32 bit ARM microcontrollers.
>
> For BIOS interrupts, we can write BIOS like bootloader for FreeDOS
>
>
> Thanks for interesting, 
Sorry, but this is a non-starter. Beside that the 8-RISC processor has 
absolutely nothing in common with the x86 CPUs that DOS is based on. 
Those ATMega chips are "micro-controllers", not 
"micro-processors/computers".
And a basic Arduino Uno has a whooping 2KB of RAM, not much you can do 
even with DOS on that one, and no, a Mega2560 has only 8KB of RAM, not 
much more to work with either. And by default no keyboard or screen, 
which is another show-stopper...

The Arduino 101 has beside a a 32bit ARC RISC processor (for the IO 
stuff) an x86 Quark/Curie based processor, but again, with 24KB of RAM, 
you still won't go anywhere fast...

Ralf

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