> From: Johnny Billquist
> Date: Sat, 25 Jul 2020 00:58:08 +0200
> I would have to disagree with that. All older PDP-8 software is
> definitely using MARK parity, not EVEN. Both on input and output.
> (Sortof annoying if you aren't expecting it.)
> The ASR33, as configured by DEC, was normally
On Sat, Jul 25, 2020 at 2:29 PM Timothe Litt wrote:
> How often you got parity errors was a function of modem generation and
> line quality - acoustic couplers from your house in the country were good
> for frequent parity - and mult-bit - errors.
>
Amen ... I remember those days - calling to a G
On 25-Jul-20 13:47, Paul Koning wrote:
>> But by the mid to late 70s, i.e. with the glass TTY it started to fall from
>> favor. I don't know why, but I would suspect this was because dedicated
>> lines started to supplant telephone circuit-based connections and single-bit
>> error detect was
> On Jul 24, 2020, at 5:57 PM, Clem Cole wrote:
>
> ...
>> If you set your UART for 8 bits with parity, it would send 11 bits total:
>> start, 8 data, parity, stop.
> Yep ... you are correct that is exactly how the hardware works. mei culpa.
> Although, if we are going to get specific.