Re: A86: TI-86 interrupts, Part 2

Re: A86: TI-86 interrupts, Part 2

• To: assembly-86@lists.ticalc.org
• Subject: Re: A86: TI-86 interrupts, Part 2
• From: Bryan Rittmeyer <bryanr@flash.net>
• Date: Fri, 10 Jul 1998 17:36:41 -0400
• Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
• References: <34913658.35a46ab0@aol.com> <3.0.5.16.19980710081549.1ec772a0@thor.prohosting.com>
• Reply-To: assembly-86@lists.ticalc.org

Joshua Grams wrote:
> But wait a minute, we agreed there's no NMI, so if you shut off interrupts
> and don't call any ROM routines, how does _getkey get called? That doesn't
> seem possible to me. You can't have anything running in the background
> without interrupts (unless it gets called from most ROM routines, or
> something). Disabling the interrupts wouldn't "disable" _getkey, but it
> shouldn't get called unless you call it.

As far as I understand it, doing a di turns off the interrupt that
updates
the memory location that _getkey (the ROM call) reads. I think in the
future a discussion like this one would be more understandable if we 
differentiated between interrupts and the ROM call more clearly.

-- 
Bryan Rittmeyer
mailto:bryanr@flash.net
http://www.flash.net/~bryanr/

• Re: A86: TI-86 interrupts, Part 2
• From: Pat Milheron <pmilheron@ti.com>

• Re: A86: TI-86 interrupts, Part 2
• From: TGaArdvark@aol.com
• Re: A86: TI-86 interrupts, Part 2
• From: Joshua Grams <j3grams@earthling.net>

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