[Coco] MC-11 Status Update

didier derny didier at aida.org
Tue Jul 28 16:40:07 EDT 2015


I'm using a Vinculum II

http://www.ftdichip.com/Products/ICs/VNC2.htm


On 28/07/2015 22:34, Mark Marlette wrote:
> That is correct.
>
>
> That is easy. Getting the keys to the coco is harder. Especially multiple keys down at the same time.
>
> Far from impossible. All I have to is change the driver on the front end, add the host and change the lookups via conditionals.
>
> Done this in an development  board already. Overkill for a USB host, IMHO. Thus why I have PS/2 interface. Some have commented that the PS/2 interface is too expensive. A USB solution from me would be higher due to the host device.
>
> YMMV.
>
> Regards
>
> Mark
>
> Sent from Yahoo Mail on Android
>
> From:"lciotti at lrlc.us lciotti at lrlc.us" <lciotti at lrlc.us>
> Date:Tue, Jul 28, 2015 at 3:22 PM
> Subject:Re: [Coco] MC-11 Status Update
>
> USB would be nice, but that would require having something to act as the USB
> host (this is my understanding of how USB works, someone more knowledgable thatn
> me might know better.)
>
>>      On July 28, 2015 at 4:19 PM Mark Marlette <mmarlette at frontiernet.net>
>> wrote:
>>
>>
>>      didier
>>
>>
>>      So what you are saying is that the raw keycodes coming from the keyboards
>> that don't work are different than from the spec?
>>
>>
>>      USB and PS/2 have different values for the lookups.
>>
>>
>>      My raw values were always correct. Hmmmm.
>>
>>
>>      Regards
>>
>>      Mark
>>
>>
>>      Sent from Yahoo Mail on Android
>>
>>      From:"didier derny" <didier at aida.org>
>>      Date:Tue, Jul 28, 2015 at 2:23 PM
>>      Subject:Re: [Coco] MC-11 Status Update
>>
>>      Hi Mark
>>
>>      the problem is quite simple, most of the interface for old machines only
>>      works with qwerty keyboard
>>      if you buy one  from amazon.fr you will find a ps/2 azerty keyboard the
>>      signs on the key does not match the result
>>      if you look for a ps/2 qwerty you find some but most of the time mini
>>      keyboard so small that it's hell to use
>>      and most of the time badly mapped
>>
>>      if you buy a normal size keyboard most of the time it's  a usb keyboard
>>      with an adaptator
>>      the adaptator + keyboard is just not working
>>
>>      if you try to buy from amazon.com you will find a nice keyboard + extra
>>      taxes + transport
>>      the keyboards becomes really expensive and you have a high chance to get
>>      a usb keyboard
>>      with a non working adapter...  (so I don't take the risk)
>>
>>      that's why I'm building my own keyboard interface. I searched for more
>>      than a year for a solution
>>      I found one, I'll be able to use an azerty keyboard completely localized
>>      on my old machines
>>
>>      I'm tired of struggling with these ps/2 keyboard and I would have
>>      preferred to see a usb
>>      connector on Darren's board.
>>
>>      --
>>      didier
>>
>>
>>      On 28/07/2015 15:34, Mark Marlette wrote:
>>      > What specifically was the issue? Not working in ps/2 mode?
>>      >
>>      >
>>      > Are these dual mode keyboards? USB with maybe ps/2 support?
>>      >
>>      >
>>      > My experience has been zero issues with ps/2 keyboards. Yes there are
>>      > bad keyboards but never bought a new bad one.
>>      >
>>      >
>>      > I agree with Aaron on usb and ps/2.
>>      >
>>      >
>>      > Getting keys either usb or ps/2 to the coco is easy. Getting them to
>>      > output any  key press is a bit harder.
>>      >
>>      >
>>      > In the Cloud-9 PS/2 interface both RSDOS and NitrOS-9 tables are fully
>>      > supported with many macro and pre canned tables as well. Programmable
>>      > macros of the 12 function keys 50 keys each max.  Both keyboards can be
>>      > used simultaneously if one prefers.
>>      >
>>      > Regards
>>      >
>>      > Mark
>>      >
>>      > Sent from Yahoo Mail on Android
>>      >
>>      > From:"Didier Derny" <didier at aida.org>
>>      > Date:Tue, Jul 28, 2015 at 8:00 AM
>>      > Subject:Re: [Coco] MC-11 Status Update
>>      >
>>      > Frankly after having bought around 10 keyboards most of them not working
>>      > in ps/2 mode
>>      > I took the simplest resolution to never use a ps/2 keyboard again
>>      >
>>      > my apple IIe is using a usb keyboard
>>      > my c64/vic20 have already been connected to a usb keyboard  (even with a
>>      > national keyboard)
>>      > for my coco2/coco3 it's on its way...
>>      >
>>      > I won't buy 10 keyboard again to find a working one (or pay a high price
>>      > for the transport)
>>      > the one I found several years ago [not sold anymore] (it was the
>>      > parallax keyboard for the propeller)
>>      >
>>      > I love national keyboards :)  and my fingers are not fitted for qwerty
>>      > keyboards :)
>>      >
>>      > the usb only allow what was programmed in the chip used for usb
>>      > if you only have HID devices software you won't connect a mass storage
>>      >
>>      >
>>      >
>>      > On 28/07/2015 13:34, Aaron Wolfe wrote:
>>      >> Contact a business equipment/computing supplier. In the US examples are
>>      >> staples, office depot, office max, Ingram micro, CDW, etc.  You
>>      >> probably
>>      >> won't see PS/2 devices in a retail store because its become uncommon
>>      >> for
>>      >> home use, but they all sell them.  PS/2 devices are still used by many
>>      >> companies for security purposes on desktops and especially on servers.
>>      >> A
>>      >> USB port allows many dangerous devices such as portable mass storage,
>>      >> while
>>      >> ps/2 connectors are pretty safe, so it is not uncommon to have usb
>>      >> disabled
>>      >> on company owned computers.  Amazon also carries quite a few, if they
>>      >> deliver to your area.  Not expensive.
>>      >>
>>      >> On Tue, Jul 28, 2015, 3:33 AM Didier Derny <didier at aida.org> wrote:
>>      >>
>>      >>> In my country, if it is still possible to find good ps/2 mouse, qwerty
>>      >>> ps/2 keyboards are not common we have to buy them overseas
>>      >>> most of the keyboard are just usb with a non working usb to ps/2
>>      >>> adapter
>>      >>> and azerty keyboard are not properly decoded
>>      >>>
>>      >>> After having tried to find for my old machine some usb interface I'm
>>      >>> finally building mine
>>      >>>
>>      >>> I would love to buy Darren's Board it looks quite nice but with ps/2
>>      >>> I'm
>>      >>> not so sure to buy one
>>      >>> I love his  cocoSDC and I guess his new board is also very good.
>>      >>>
>>      >>> --
>>      >>> didier
>>      >>>
>>      >>> On 28/07/2015 04:01, Zippster wrote:
>>      >>>> Well, make that over 600.  I guess a lot of those were adapters and
>>      >>> similar.
>>      >>>> - Ed
>>      >>>>
>>      >>>>
>>      >>>>> On Jul 27, 2015, at 8:53 PM, Zippster <zippster278 at gmail.com> wrote:
>>      >>>>>
>>      >>>>> Yeah, I think most older USB keyboards will support the adapters.
>>      >>>>>
>>      >>>>> But as Al was indicating, PS2 keyboards are commonplace.  A quick
>>      >>>>> ebay
>>      >>> query turns up
>>      >>>>> over 6,000 listings with a wide variety of prices (starting at
>>      >>>>> almost
>>      >>> nothing) and styles.
>>      >>>>> - Ed
>>      >>>>>
>>      >>>>>
>>      >>>>>> On Jul 27, 2015, at 7:51 PM, Steve Batson via Coco <
>>      >>> coco at maltedmedia.com> wrote:
>>      >>>>>> I have some old keyboards around that may work then...I guess I'll
>>      >>> wait and see what the end state of this thing is. I would be fun to
>>      >>> use to
>>      >>> build up a system.
>>      >>>>>> On Jul 27, 2015, at 5:25 PM, Al Hartman <alhartman6 at optonline.net>
>>      >>> wrote:
>>      >>>>>>> A PS/2 to USB adapter only converts the pin assignments. The
>>      >>>>>>> keyboard
>>      >>> has to have the circuitry within it to detect that you have attached
>>      >>> the
>>      >>> adapter and switch to PS/2 mode.
>>      >>>>>>> That's why these adapters don't work with every keyboard.
>>      >>>>>>>
>>      >>>>>>> There are active adapters that have circuitry, they will cost a
>>      >>>>>>> bit
>>      >>> more money. But, you can still find PS/2 keyboards if you look on
>>      >>> Amazon,
>>      >>> eBay, and elsewhere.
>>      >>>>>>> -[ Al ]-
>>      >>>>>>>
>>      >>>>>>> -----Original Message----- On Mon, Jul 27, 2015 at 5:27 PM, Steve
>>      >>> Batson via Coco wrote:
>>      >>>>>>>> Cool so I suspect that it would work fine with a PS2 to USB
>>      >>>>>>>> adapter.
>>      >>>>>>>> This sounds like a great homebrew computer that you could build
>>      >>>>>>>> up
>>      >>> for all
>>      >>>>>>>> kinds of control projects and things like that
>>      >>>>>>> --
>>      >>>>>>> Coco mailing list
>>      >>>>>>> Coco at maltedmedia.com
>>      >>>>>>> https://pairlist5.pair.net/mailman/listinfo/coco
>
>>      >>>>>> --
>>      >>>>>> Coco mailing list
>>      >>>>>> Coco at maltedmedia.com
>>      >>>>>> https://pairlist5.pair.net/mailman/listinfo/coco
>>      >>> --
>>      >>> Coco mailing list
>>      >>> Coco at maltedmedia.com
>>      >>> https://pairlist5.pair.net/mailman/listinfo/coco
>>      >>>
>>      >
>>
>>
>>      --
>>      Coco mailing list
>>      Coco at maltedmedia.com
>>      https://pairlist5.pair.net/mailman/listinfo/coco
>>
>>
>>      --
>>      Coco mailing list
>>      Coco at maltedmedia.com
>>      https://pairlist5.pair.net/mailman/listinfo/coco
>>



More information about the Coco mailing list