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@xxxxxx >> _______________________________________________ >> Speakup mailing list >> Speakup@xxxxxxxxxxxxxxxxx >> http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup > _______________________________________________ > Speakup mailing list > Speakup@xxxxxxxxxxxxxxxxx > http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup > -- Jean-Philippe MENGUAL HYPRA, progressons ensemble Tél.: 01 84 73 06 61 Mail: contact@xxxxxxxx Site Web: http://hypra.fr _______________________________________________ Speakup mailing list Speakup@xxxxxxxxxxxxxxxxx http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
