Re: A86: Questions on Port 3, calc on, off, APD, etc

To: assembly-86@lists.ticalc.org
Subject: Re: A86: Questions on Port 3, calc on, off, APD, etc
From: DavidY4723@aol.com
Date: Fri, 29 May 1998 12:51:43 EDT
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-86@lists.ticalc.org


In a message dated 98-05-29 06:12:12 EDT, you write:

<< I disassembled the ROM, the interrupt handler is fixed in the code, it
makes
 a jump to the ON key interrupt handler routine. I did over 5 hours of
 disassebling and came to the conclusion there are no NMI's.. I have been
 reading some of the messages about interrupts by Jimmy Mardell and he also
 says "The TI-8x doesn't have any NMI's" and someone (maybe him) also says
 they haven't even seen a computer with an NMI >>

I remember reading in a x86 ASM book that the NMI on Intel processors was used
for some kind of hardware error (memory corruption?).

--David

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