Re: A86: Terms

To: assembly-86@lists.ticalc.org
Subject: Re: A86: Terms
From: TGaArdvark <TGaArdvark@aol.com>
Date: Tue, 5 May 1998 14:13:47 EDT
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-86@lists.ticalc.org


> So the term "hooking into" refers to a User Defined Interrupt (also known 
> as a TSR) becoming an active interrupt in the system?

Interrupts occur 200 times a second (this was already mentioned).
"Hooking into" it just means that your routine becomes one of the
routines called by the OS during an interrupt.

> If this is the case, why are there two terms for it.  TSR is a
> misleading (inaccurate) term if I understand things correctly.

TSR is not a calculator term, it's a computer term. Your mouse driver
is a TSR. User interrupts on the calculator often serve similar functions,
but do not follow the acronym as closely.

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