Linux on access technology

Wed May 25 06:15:21 EDT 2016

I'm not sure I understand 9hat xou talk about. If you talk about linux
iN braille display, some projects are studied. Otherwise, Raspberry
seems a good point of beginning. If it's another thing, I don't know.

Regards,

Le 25/05/2016 07:04, Tom Fowle a écrit :
> And, since the software was all in eprom there wouldn't be means for
> upgrading without burning new eproms.
> 
> I wonder what speech synthesizer they used suppose must have been based on
> the long dead TI SPo256.
> Tom Fowle
> 
> On Tue, May 24, 2016 at 09:55:46PM -0700, Gregory Nowak wrote:
>> Interesting to know what the cpu actually was. I knew it was z80/z180
>> compatible, but that's it. As far as the clock speed, someone once
>> told me the Blazie units ran at 6-8 MHz, 12 MHz if you got the double
>> speed upgrade.
>>
>> Greg
>>
>>
>> On Tue, May 24, 2016 at 08:31:47PM -0700, Tom Fowle wrote:
>>> I worked on a project to try to develop a TTY modem for the Braille Lite,
>>> Dean was extremely tight about giving me any info about how the lite was
>>> done.  I believe they used a Hitachi HD64180 microprocessor which was a Z80
>>> offshoot. Pretty sure they had no more than about 2 megs of ram and probably
>>> 64K of eprom Don't know about the clockspeed but bet it was pretty kreeky. 
>>> I don't believe it was ever field upgradable, Dean said something to me
>>> about using Ymodem to upload programs and having nothing but trouble with
>>> it.
>>> Considering the instability of the hardware I think it'd be a bucket of
>>> squashed worms.
>>> Tom fowle
>>
>>
>> -- 
>> web site: http://www.gregn.net
>> gpg public key: http://www.gregn.net/pubkey.asc
>> skype: gregn1
>> (authorization required, add me to your contacts list first)
>> If we haven't been in touch before, e-mail me before adding me to your contacts.
>>
>> --
>> Free domains: http://www.eu.org/ or mail dns-manager at EU.org
>> _______________________________________________
>> Speakup mailing list
>> Speakup at linux-speakup.org
>> http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
> _______________________________________________
> Speakup mailing list
> Speakup at linux-speakup.org
> http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
> 

-- 

Jean-Philippe MENGUAL

HYPRA, progressons ensemble

Tél.: 01 84 73 06 61
Mail: contact at hypra.fr

Site Web: http://hypra.fr