Re: [TUHS] Tech Sq elevator (Was: screen editors)

[Angelo Papenhoff <aap@papnet.eu>]

On 10/01/20, Noel Chiappa wrote:
>     > From: Clem Cole
> 
>     > when she found out the elevators were hacked and controlled by the
>     > student's different computers, she stopped using them and would take
>     > the stairs 
> 
> It wasn't quite as major as this makes it sound! A couple of inconspicuous
> wires were run from the 'TV 11' on the MIT-AI KA10 machine (the -11 that ran
> the Knight displays) into the elevator controller, and run onto the terminals
> where the wires from the 'down' call buttons on the 8th and 9th floors went.
> 
> So it wasn't anything major, and there was really no need for her to take the
> stair (especially 8 flights up :-).
> 
> The code is still extant, in 'SYSTEM; TV >'. It only worked (I think) from
> Knight TV keyboards; typing 'ESC E' called the elevator to the floor
> that keyboard was on (there's a table, 'ELETAB', which gives the physical
> floor for each keyboard).
> 
> The machine could also open the locked 9th floor door to the machine room
> (with an 'ESC D'), and there some other less major things, e.g. print screen
> hardcopy. I'm not sure what the hardware in the TV-11 was (this was all run
> out of the 'keyboard multiplexor'); it may have been something the AI Lab
> built from scratch.

For those not aware: we have the TV-11 running again under emulation and
it is once again the preferred way to use ITS.
Unfortunately I'm not quite sure how to emulate all the elevator
behaviour...any ideas? :D


aap