GOOD FOLLOW-UP READING:
How drum memory works http://history-computer.com/ModernComputer/Basis/magnetic_drum.html
Spec for the Blackjack game (note the description of switch 32, which describes the behaviour they ASKED for, not what they got) http://www.bitsavers.org/pdf/royalPrecision/RPC-4000/programWriteups/W1-01.0_Blackjack_Game.pdf
@christinelove very cool, I want to read this. I think I discovered the story of Mel in the Jargon File decades ago, but never saw these resources:)
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!