Den Wed, 5 Sep 2018 15:14:39 -0400 skrev Justin <shadow@darksideresearch.com>: > On Sep 5, 2018, at 10:35, Jim Brain <brain@jbrain.com> wrote: > > > >> I can't tell what the person who designed the chip was thinking, > >> but it's rather telling that both commodore and apple don't appear > >> to have been aware of it when they wrote their drivers. > >> > > Most people did not make the connection that 1.8432/16 = 115200. > > However, I think Commodore and Apple did understand. At the time > > the devices came out, 115200 was not a bps rate in general use, and > > line drivers at the time would have struggled to keep up and adhere > > to the standard. I also seem to recall that EIA relaxed the serial > > standard at some point to allow the higher speeds to comply with > > the signalling standard. > > Apple wanted to hit 230.4kbps for their networking over RS-422, so > they probably were not as cavalier as Commodore. But then they didn't use the 6551? -- (\_/) Copy the bunny to your mails to help (O.o) him achieve world domination. (> <) Come join the dark side. /_|_\ We have cookies.Received on 2018-09-05 22:00:25
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