A little game

[AngliaGT]

Looks like your cat's "Rolling in the Dough".

 

[YakkoWarner]

OK - what's a PDP machine? My initials.

Digital Equipment Corp.'s Programmed Data Processor. Late 1960's through 1980's mainly then DEC switched to their VAX architecture, but some PDP-11 varients were still being made even into the early 1990's.