Re: A89: ROM calls

To: assembly-89@lists.ticalc.org
Subject: Re: A89: ROM calls
From: Nathan Mueller <nlmueller@students.wisc.edu>
Date: Wed, 18 Nov 1998 16:27:24 -0600
Delivered-To: assembly-89-outgoing@towerguard.unix.edu.sollentuna.se
In-Reply-To: <677d308b.36534641@aol.com>
Reply-To: assembly-89@lists.ticalc.org


>I've heard this in the discussions, $C8 is a pointer to the adress of the ROM
>table on the TI89.  This means absolutely nothing to me, but it sounds
>important.  Can some one please explain this to me?

The ROM table is just a list of the address of the various ROM calls.  When
you jump to a ROM call, you really jump to the ROM table which sends you to
the correct function in ROM.  Without the ROM table different versions of
the ROM would be incompatable.

	--Nate

References:

A89: ROM calls

From: EaglePrj@aol.com

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