[A86] Re: Low Batteries
[Prev][Index][Thread]
[A86] Re: Low Batteries
the routine at $5398 displays the message (actually, the routine that jps
to)
in rom ver 1.2, the actual check code is at $0cd0
It works by setting up a mask to check the keypad, then waiting for it to
reset.
-josh
On Sun, 18 Nov 2001 18:54:41 EST Notbynow@aol.com writes:
>
> I would like to know how the calculator knows when its
> batteries are
> low. I have not yet found any routine in the ROM that deals with
> this, and
> I'm not aware of a special interrupt or port that deals with the
> voltage
> level. This leads me to beleive that the "your batteries are low,
> recommend
> change of batteries" thing is built into the hardware of the calc.
________________________________________________________________
GET INTERNET ACCESS FROM JUNO!
Juno offers FREE or PREMIUM Internet access for less!
Join Juno today! For your FREE software, visit:
http://dl.www.juno.com/get/web/.