[Coco] CoCo 3 MMU test for all

jdaggett at gate.net jdaggett at gate.net
Mon Jan 21 08:56:56 EST 2008


On 21 Jan 2008 at 3:11, J.P. Samson wrote:

> I can't resist pointing out that the first "computers" used decimal, 
> not hex.  If you've ever taken a look at Babbage's Difference Engines,
>  you'll see that all the processing happens in base 10, albeit in a 
> mechanical rather than electronic fashion.  The basic algorithms for 
> doing calculations are essentially the same as in a digital circuit, 
> but you can actually watch things happen step-by-step as the cogs 
> slowly spin around.  It's pretty neat.


Yes and early TI calculators used a decimal version of the CORDIC 
algorithym. Decimal processing is still hardware intensive. 

james




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