Re: A86: Interrupt questions

To: assembly-86@lists.ticalc.org
Subject: Re: A86: Interrupt questions
From: Jimmy =?iso-8859-1?Q?M=E5rdell?= <yarin@acc.umu.se>
Date: Wed, 22 Apr 1998 23:26:10 +0200
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
In-Reply-To: <353D37DD.DDB44A38@eden.rutgers.edu>
References: <035d01bd6d84$169954a0$054103cf@joemama.minot>
Reply-To: assembly-86@lists.ticalc.org


At 20:20 1998-04-21 -0400, you wrote:
>What you mean?  I've used it a few times..Anyhow, is it possible for us to
>also use the nonmaskable interrupt?

There is no NMI on any TI-8x calc. Actually, I've never seen
any Z80 calc/computer with NMI.

>> >im 2 - jump to (i*$100+v) where v is a value gotten of the bus (in ti
>> >calcs its random)
>>
>> would crash the calc about 999 times outta 1000

No. IM 2 is used on the TI-85 since you can hook IM 1. You just have
to create a 257 byte vector table, set the I register to the MSB of
the address to the vector table.
--
Real name: Jimmy Mårdell                 
IRC......: Yarin                         
Email....: mailto:yarin@acc.umu.se      <-- NEW E-MAIL ADDRESS!!!!
Homepage.: http://www.algonet.se/~mja/

References:

Re: A86: Interrupt questions

From: "Trey Jazz" <joemama@minot.com>

Re: A86: Interrupt questions

From: Dux Gregis <assets@eden.rutgers.edu>

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