Nitros9 for the masses (was) Re: [Coco] COCO4 Emulator

Boisy Pitre boisy at boisypitre.com
Mon May 8 07:27:21 EDT 2006


James,

I'm sorry if my replies seem a bit terse.  Finals week starts today...

On May 7, 2006, at 8:20 PM, James Hrubik wrote:

> Thanks, Boisy.  Its always interesting to hear what the do-ers (as  
> opposed to the talk-ers) on this list have to say.  My skills in C  
> have degenerated to the point where I would probably have trouble  
> getting "Hello Wrldo" to compile properly any more <G>.  So I ain't  
> gonna write the OS.  I'm just the asker of stupid questions.
>
> From the comments that have flown around the past day or so  
> regarding this suggestion, it appears that there are quite a few  
> people who either don't read posts through to the end, or don't  
> know what NitrOS-9 is, or simply lack imagination.  Maybe they  
> don't read all the threads before they add to the tangle.  Its  
> fascinating to see people immediately jump to the conclusion that a  
> port of the OS to the Intel chipset must automatically point to  
> OS9000 and the Microware/Radisys licensing expenses.
>
> Out of curiosity, how would writing a 6809/6309 emu compare in  
> difficulty to rewriting NitrOS-9 for the same chipset?  I thought  
> that perhaps the two tasks would be similar in nature.

Writing an emulator is far, far easier in my opinion for the reason I  
and others pointed out regarding NitrOS-9's ABI being so closely tied  
to the architecture of the 6809.


Boisy



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