Re: A86: Maskable Interrupts

To: <assembly-86@lists.ticalc.org>
Subject: Re: A86: Maskable Interrupts
From: "Dux Gregis" <assets@eden.rutgers.edu>
Date: Sat, 2 Jan 1999 01:38:14 -0700
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-86@lists.ticalc.org



>
>> if they did run, then it would never shut down.  the "off"
>> state is when the screen is turned off, the interrupts are
>> disabled (not all of them), and the halt waits for an
>> interrupt.  it would never shut off if once every 1/200th
>> of a second an interrupt occurred.
>
>Um, what kind of logic is that?  You're saying that the
>1/200s interrupts must be off when the calc is off because
>they are off when the calc is off?  Did I follow you correctly?

because the halt would end on the next interrupt, turning the calc back on.
You wouldn't have even noticed that the calc turned off.

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