Self test mode?

Rick rc at
Sun Mar 8 09:14:56 PDT 2009

Egan Ford wrote:
> Scroll to the bottom.

Sorry, I should have been more clear: *internal* details, i.e. how does
Nonpareil get into self test? What are the entry points? The keyboard
state in Nonpareil is a bit complicated, how is holding down a button
when the on button is pressed expressed? I'm familiar with how to do it
on a physical calculator, it's the first thing I do when I get a new
one :-)


rc at

> On Sat, Mar 7, 2009 at 11:09 AM, Rick <rc at> wrote:
>> Hi everyone,
>> Does anyone know of any documentation on how the Voyager series enters
>> self test mode? What does the keyboard interaction look like, and/or
>> where does it jump in the code? I'm thinking the HP11C series.

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