hardware multiply/divide functionality in CPUs
hilpert at cs.ubc.ca
Tue Mar 8 17:33:39 CST 2011
On 2011 Mar 8, at 12:14 PM, Chuck Guzis wrote:
> On 8 Mar 2011 at 11:56, Brent Hilpert wrote:
>> Looking through the Osborne book (Introduction to Microcomputers -
>> Some Real Products / 1976), here's another to add to the list: the
>> MicroNova/9440 microprocessor ca 1977 had built-in 16-bit multiply and
>> divide instructions.
>> Can anyone comment on how much use or production the MicroNova or
>> Fairchild 9440 chips actually saw?
> I mentioned the MicroNova.
Sorry, going back to your earlier message I see that. I think I skimmed
over it first time and thought of the mini rather than the microproc.
You say the 9440 doesn't have M/D, the book does explicitly indicate
they are present for the 9440 .. the book is in error?
> If you weren't DoD-related, you could forget getting the 9440, 9445,
> 9450...CPUs. Fairchild wouldn't give you the time of day on those.
> Same for the I2L versions of the TI 9900.
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