[chbot] PDP-8

Mark Atherton markaren1 at xtra.co.nz
Fri Mar 27 09:03:25 GMT 2020


Thanks Richard.

Four Yorkshiremen ? -- anytime.

On 27/03/2020 9:30 PM, Richard Jones wrote:
> Hi Mark,
>
> A huge thank you for posting about the PDP8 restoration, what an 
> interesting read.
> I had the privilege to use a PDP8 in the early 1970's.
> To start the machine we loaded 17 words of 12 bits each coded in octal 
> on the front panel switches to install the RIM loader by hand which 
> would in turn install the binary loader from paper tape. Then load in 
> the Focal 8 programming language (again on paper tape) to start 
> writing programs in Focal8 using the teletype. Our machine was located 
> in the Brunel University engineering tower where the starting surge 
> from the lift would often scramble the core memory and the whole 
> process had to be repeated...
> When 100k byte floppy disks came along years later we could not 
> believe our good fortune.
>
> Richard Jones
>
> Four Yorkshiremen anyone? https://www.youtube.com/watch?v=ue7wM0QC5LE
>
> On Fri, Mar 27, 2020 at 3:41 PM Mark Atherton <markaren1 at xtra.co.nz 
> <mailto:markaren1 at xtra.co.nz>> wrote:
>
>     oops.
>
>     https://pdp-8.nz <https://pdp-8.nz/>
>
>     -Mark
>
>
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