The PDP-10 was the computer I learned to program on. I still remember (almost 50 years ago?) the nights a group of us spent with the DEC Systems Programmer lear

The PDP-10 was the computer I learned to program on. I still remember (almost 50 years ago?) the nights a group of us spent with the DEC Systems Programmer learning all the workings of the machine. I still love the orthogonality of the instruction set.