At 02:06 30-03-1999 GMT, you wrote:
>results that I think may stem from an incomplete understanding of the
>way the ASR-33 and others of that vintage send and receive data. I'm
>testing with some code in an article about interfacing the Elf to a
>Teletype, so I'm pretty sure the Elf code is correct. I'm using 110
>bits per second, no parity, 8 data bits, one low (logic 0) start bit,
>and one high (logic 1) stop bit. It seems to like the data
<snip>
The parity or the stop bits may be what's biting you in the arse. Try some
various combos and see what happens. It's been decades since I worked on
those things, so my memory of their innards is sketchy.
>bit, and the start bit are all the same length. Also, I'm assuming that
>the "110 bits per second" includes the time for the stop and start bits,
Actually, ASR-33's ran at 110 Baud rather than BPS.
Best of luck!
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Bruce Lane, Owner and head honcho, Blue Feather Technologies
http://www.bluefeathertech.com
Amateur Radio:(WD6EOS) E-mail: kyrrin_at_bluefeathertech.com
SysOp: The Dragon's Cave (Fido 1:343/272, 253-639-9905)
"Our science can only describe an object, event, or living thing in our own
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Received on Mon Mar 29 1999 - 20:33:07 BST