RS, Author, Novelist on Nostr: npub1rea6q…lfduv Scary from our 21st century view point are the lights and dials. ...
npub1rea6qv6u02m3xa494y3uztacvtn7er99zqzarverpfhrfuv37acqjlfduv (npub1rea…fduv)
Scary from our 21st century view point are the lights and dials. They represent a single memory address or registers, each light one bit of data. An IBM technician might actually have had to stand there, manually find addresses, and dial in microcode. I suppose in a crash, you could read register and psw info from the lights...
Blinky-blinky lights, rretty to see in operation.
Scary from our 21st century view point are the lights and dials. They represent a single memory address or registers, each light one bit of data. An IBM technician might actually have had to stand there, manually find addresses, and dial in microcode. I suppose in a crash, you could read register and psw info from the lights...
Blinky-blinky lights, rretty to see in operation.