Re: A89: Re: 89 timer
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Re: A89: Re: 89 timer
> 2) When the calculator is off, it turns off the LCD and executes a HALT to
> wait in low power mode for the ON interrupt. You'd have to simulate the
> calc being off by shutting off the screen, wait for the interrupt (timer),
> update your clock counter and HALT again until the next one. This occuring
> 175-200 times a second would use up much more power than when normally off.
Actually not, in fact it might even be able to run without the
AAA batteries. The ON interrupt is maskable on the 86, so
having an efficient clock program running would make almost
no difference.
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