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

[Duane Craps]

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
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