[Coco] Sneak peek

[Roger Taylor]

At 02:56 PM 2/14/2009, you wrote:
>Roger, would this work with a "Y" cable?


Yes, but what do you plan to use on the other Y-cable connector?








>On Sat, Feb 14, 2009 at 2:58 PM, Mark Marlette
><mmarlette at frontiernet.net> wrote:
> > Roger,
> >
> > Ah  see your point of view now. Thanks for the explanation of 
> what ROM you are using.
> >
> > I am pretty sure you didn't do the hardware design or lay the 
> board out. Not picking on you but I can tell in some of your posts 
> you are not a hardware guy.
> >
> > Not James but james. Anyone that follows this list knows EXACTLY 
> whom I am referring to.
> >
> > I would tend to disagree with you on the statement of: ACIA or 
> UART the CoCo loves best, and that would be the 6551. Believe me, 
> the CoCo would LOVE a bigger buffer, so would the host!!
> >
> > The Atmel design work I am doing can cause a 3.2GHZ Dual core, 
> blah, blah laptop to loose data if I don't invoke hardware 
> handshaking at 230.4Kbaud. If the PC doesn't do anything else all 
> is fine but if I start to run some REALLY big hardware compilers 
> and push the performance of the machine, the PC can't keep up with a $8 chip.
> >
> > All is fun though.
> >
> > Regards,
> >
> > Mark
> > Cloud-9
> >
> > ----- Original Message -----
> > From: "Roger Taylor" <operator at coco3.com>
> > To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> > Sent: Saturday, February 14, 2009 11:19:13 AM GMT -06:00 US/Canada Central
> > Subject: Re: [Coco] Sneak peek
> >
> > At 06:35 AM 2/14/2009, you wrote:
> >>Roger,
> >>
> >>You know I love hardware, so I took a real close up look.
> >>I am a bit confused.
> >
> >
> >
> >>Your web site shows the CoCoNet pak but yet you are using a RS232 pak. ??
> >
> > Nope.  The picture on the site shows EXACTLY the pak that I'm talking
> > about which is not a Tandy Deluxe RS-232 Pak or any other Tandy pak,
> > but it works like a Tandy pak because of the 6551 and where it's
> > mapped in.  It's a simple design as you can see even from the scaled
> > down image.
> >
> > My pak has an EPROM socket and I can put a copy of the RS-232 Pak's
> > software on that EPROM and run my pak "as an RS-232 pak clone".
> >
> >
> >
> >>It appears from the pak in the picture, the Blue tooth device module
> >>is in the upper left portion of the pak?
> >
> >  From the angle the pak was shot, yes, the module is right where you
> > said it is.  :)
> >
> >
> >
> >
> >>I admit I haven't followed the 6551 Hidden mode thread(s) that have
> >>occurred in the past. Unless you are making a crystal change, how
> >>would the RS232 pak not know how to use the hidden 115200 bps mode?
> >>Then it really would be that it didn't know, it just that it
> >>couldn't adjust the baud rate generator circuit to the numbers you
> >>placed in the register. ????
> >
> > No crystal change.  Because my pak CAN USE the original Tandy Pak's
> > ROM software,  that software CANNOT switch to the 115200 bps mode,
> > unless I'm low on coffee again or suffering from a lack of
> > sleep.  So, let me restate that For Testing Purposes, the RS-232
> > Pak's ROM was the first thing ran in my pak, and all was well.  The
> > "CoCo never knew the difference".
> >
> >
> >>Can you further explain in detail?
> >
> > It's a drop-in replacement for the Tandy Deluxe RS-232 Pak, only
> > wireless.  No 12V is needed.  Any CoCo out there can use this pak.
> >
> >
> >>Who did the hardware design for you? Is this james's work?
> >
> > Are you absolutely sure I didn't do it?  James, who?
> >
> >
> >>As each designer can select what ever chip set they would like.
> >>Curious on why you selected a 6551 vs a newer chip set that would
> >>have a larger built in FIFO?
> >
> > For "transparency" with existing CoCo software.  Plus, if you combine
> > all of the ideas I had into one little ACIA pak, it all comes down to
> > software, Mark.  This leaves whatever ACIA or UART the CoCo loves
> > best, and that would be the 6551.
> >
> >
> > --
> > Roger Taylor
> >
> > http://www.wordofthedayonline.com
> >
> >
> > --
> > Coco mailing list
> > Coco at maltedmedia.com
> > http://five.pairlist.net/mailman/listinfo/coco
> >
> > --
> > Coco mailing list
> > Coco at maltedmedia.com
> > http://five.pairlist.net/mailman/listinfo/coco
> >
>
>--
>Coco mailing list
>Coco at maltedmedia.com
>http://five.pairlist.net/mailman/listinfo/coco

-- 
Roger Taylor

http://www.wordofthedayonline.com