[Coco] CoCo Crew Podcast #4

[Dave Philipsen]

Ok, I did a little research and apparently it's a 68B22 but mine is 
house numbered 'LSC81001P'.


Dave


On 2015-10-01 15:16, John W. Linville wrote:
> 6822 instead of 6821?  I think that has to do with the electrical
> characteristics of the I/O pins, but I'm not sure of the exact details.
> 
> Potential answer here:
> 
> 	http://www.praxibetel.org/toro/toro.html
> 
> "The MC6822 is an open-drain version of the MC6821, and can sink up
> to 10mA per pin (subject to power dissipation limits)."
> 
> YMMV, of course...
> 
> John
> 
> On Thu, Oct 01, 2015 at 02:50:05PM -0500, Dave Philipsen wrote:
>> So is that why my CoCo 3 has a different part # on one of the chips?
>> 
>> Dave Philipsen
>> 
>> ----- Reply message -----
>> From: "John W. Linville" <linville at tuxdriver.com>
>> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
>> Subject: [Coco] CoCo Crew Podcast #4
>> Date: Thu, Oct 1, 2015 2:03 PM
>> 
>> Yeah, that was a fun fact!  I think I had heard that before, but it
>> felt a bit new when I was going over the show prep... :-)
>> 
>> John
>> 
>> On Thu, Oct 01, 2015 at 02:02:01PM -0400, Brett Gordon wrote:
>> > I learned something about CoCo's PIA setup:  I never realized one PIA get
>> > accesses faster than the other inthe Dual Speed mode.  Another good
>> > episode, Thanks John and Neil !
>> >
>> > On Wed, Sep 30, 2015 at 8:45 PM, tim lindner <tlindner at macmess.org> wrote:
>> >
>> > > Another wonderful episode. Thanks for the mention of the my Diecom
>> > > light gun web page. You motivated me to write up how to write a
>> > > software driver to utilize the adaptor from the CoCo.
>> > >
>> > > http://tlindner.macmess.org/?page_id=105
>> > >
>> > > Also, during the PIA portion of the podcast people might like to have
>> > > my handy "cheat sheet" for reference.
>> > >
>> > > http://tlindner.macmess.org/?page_id=124
>> > >
>> > >
>> > >
>> > > --
>> > > --
>> > > tim lindner (pronounce both Ns, but not the D).
>> > >
>> > > --
>> > > Coco mailing list
>> > > Coco at maltedmedia.com
>> > > https://pairlist5.pair.net/mailman/listinfo/coco
>> > >
>> >
>> >
>> >
>> > --
>> > Brett M. Gordon,
>> > beretta42 at gmail.com
>> >
>> > --
>> > Coco mailing list
>> > Coco at maltedmedia.com
>> > https://pairlist5.pair.net/mailman/listinfo/coco
>> 
>> --
>> John W. Linville  Someday the world will need a hero, and you
>> linville at tuxdriver.com   might be all we have.  Be ready.
>> 
>> --
>> Coco mailing list
>> Coco at maltedmedia.com
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>> 
>> --
>> Coco mailing list
>> Coco at maltedmedia.com
>> https://pairlist5.pair.net/mailman/listinfo/coco
> 
> --
> John W. Linville		Someday the world will need a hero, and you
> linville at tuxdriver.com			might be all we have.  Be ready.