Re: A86: What is the Interrupt?

To: assembly-86@lists.ticalc.org
Subject: Re: A86: What is the Interrupt?
From: Adler <adler@digicron.com>
Date: Sun, 25 Jan 1998 18:08:29 -0600
Organization: Light-Speed
References: <d0a4691c.34caf5de@aol.com>
Reply-To: assembly-86@lists.ticalc.org


great explanation. could you continue further or point me to an FAQ?

TGaArdvark wrote:
> 
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> 
> > I've heard something about this interrupt, but what is it?
> 
> 200 times a second, the Z80 processor stops what it's doing
> and automatically runs a small proccedure. When that proc-
> cedure is done, it resumes what it was doing originally. This
> doesn't slow the calc down much (unless the proccedure is
> excessively large) because 200 times a second really is a
> lot of time from the calc's point of view. Interrupts are used
> for the cursor, the busy indicator, the [ON] key, some link-
> port functions, grayscale and sound in games, and many
> other things. Interrupts are a very powerful feature.

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Follow-Ups:

A86: Location in memory

From: asm86@juno.com (A. El-Helw)

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