[TUHS] Teletype simulator?

Random832 random832 at fastmail.com
Fri Mar 25 01:29:00 AEST 2016


On Thu, Mar 24, 2016, at 10:40, George Ross wrote:
> > Make sure it only prints 10 characters per second, then. (I think TTY's were
> > 10 cps?) R-e-a-l-l-y s-l-o-w.
> 
> And don't forget that carriage-return takes longer than printing
> individual
> characters, so you need to send CR LF to give it time to get back to the
> first column while it's feeding a line.  Or CR CR LF just in case.
> 
> (Or was that the Olivetti terminal?  Or the DECwriter?  One of those
> mechanical things anyway.)

Sending CR LF is independent of the CR delay requirements - the kernel
has options for several kinds of CR delays, IIRC at least one of which
is in proportion to the column you're returning from.



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