[Coco] Interrupts

[Bill Pierce]

Willard,
I had actually looked at VRN but decided against it as anyone wanting to use the software would have to have it in their boot. I'm trying to avoid special conditions and outside dependencies. I would like any version of NitrOS9 to be able to run the program. I have VRN in several of my boots as well as CoVDG, just so I can run King's Quest, Lesuire Suit Larry and a few others. But I know that not everybody wants to have to create a new boot just to run software.

Bill P

Music from the Tandy/Radio Shack Color Computer 2 & 3
https://sites.google.com/site/dabarnstudio/
Bill Pierce
ooogalapasooo at aol.com




-----Original Message-----
From: Willard Goosey <goosey at virgo.sdc.org>
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Sent: Wed, Nov 28, 2012 9:43 pm
Subject: Re: [Coco] Interrupts


On Wed, Nov 28, 2012 at 06:21:19PM -0500, Bill Pierce wrote:

> see to do it without creating a loop just for the purpose was to use
> an interrupt. I knew I had read somewhere that the Coco 3 as well as
> OS9 level 2 would do "user programmable" interrupts so I figured
> that would be a good way to implement this with low maintenance.

An easier way may be to use the VI or FTDD devices (part of VRN, and
standard in NitrOS).  IIRC you basically open /VI for reading and it
sends you a character 60 times a second. /FTDD can do the same, IIRC,
and also has some interesting memory-allocation functionality that may
be of interest to you.

Willard
-- 
Willard Goosey  goosey at sdc.org
Socorro, New Mexico, USA
I search my heart and find Cimmeria, land of Darkness and the Night.
  -- R.E. Howard

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