[vcf-midatlantic] Pdp-8 focal @ Kennett Classic

[Bill Degnan]

I will be using an actual papertape/teletype

On Fri, Jul 7, 2023 at 10:39 AM Duane Craps via vcf-midatlantic <
vcf-midatlantic at lists.vcfed.org> wrote:

> Just set the sender to 1.5 or 2 stop bits. That will cover for minor
> speed differences. TTYs sent 1.5 stop bits for that reason.
>
> On 7/6/2023 10:15 PM, David Gesswein via vcf-midatlantic wrote:
> > Note if your loading a FOCAL program if whatever is sending baudrate is
> > faster than the PDP-8 transmit baud rate the loading will fail after a
> while
> > with buffer overrun. I've adjusted the pot on the TTY clock card to make
> it
> > load from a teletype. I'm talking if your using a PC that transmits
> exactly
> > 110 baud and the PDP-8 actually transmits at 108 baud you have problems.
> > Loading the FOCAL tape itself doesn't have this problem.
> >
> > Note that some versions of the FOCAL tape have two sections so without
> reader
> > run if you don't hit continue quick enough after the first halt you will
> not
> > load the initial dialog.
> >
> > On Thu, Jul 06, 2023 at 09:45:15PM -0400, Bill Degnan via
> vcf-midatlantic wrote:
> >> Saturday at the museum we're going to try to load FOCAL from papertape
> into
> >> the PDP-8 system.  12 noon to ?  All are welcome.  Also going to
> document
> >> system in detail, measure voltages, etc.
> >> Kennettclassic.com
> >> Bill
>
> --
> DuaneCraps
> sdɐɹɔ ǝuɐnp
>
>