Re: Origins Of Interrupts

According to Lawrence D'Oliveiro  <ldo@nz.invalid>:

This informative web page repeats that claim but then says he thinks the
Univac I had an overflow trap several years earlier:
 
https://people.computing.clemson.edu/~mark/interrupts.html

>
OK, but an overflow trap is a synchronous notification from the CPU to do
with the current instruction.
>
To be clear, I was specifically thinking of asynchronous notifications to
do with external conditions (typically I/O).

Hmmn.  Is there some reason you were unable to read that web page?  If you
had, you'd know the answer.


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