FPUs for small computers (Was: What to download for a PDP-8)

Grant Stockly grant at stockly.com
Wed Oct 17 16:44:53 CDT 2007


At 09:21 AM 10/17/2007, you wrote:
>On 17 Oct 2007 at 12:09, Jim Battle wrote:
>
> > Finally, I recall seeing an article where somebody took a pocket
> > calculator chip and essentially poked simulated keystrokes at it and
> > then decoded the LED driver output to determine the answer.  It was very
> > slow, though, so all it saved was the space of the floating point
> > library code.
>
>I remember that one.  It may have been an early issue of Byte.  I
>also wondered at the time if any speed was gained over just running
>plain old x80 code.

I have a MiniMicroMart packet scanned with details on an 8bit 
interface to a calculator chipset.  Is anyone interested?

Grant




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