The discussion on one of my favorite mailing lists has turned toward nostalgic reminisces of the golden days of technology, including antique floppy disks and RT-11 cheat sheets. Scott Adams then made my morning with this strip (and a very merry Christmas to you, Scott!):
Since I can’t fight it, I might as well wallow in it. Here is my contribution to this week’s geezer tech. Yes, I really did use this IBM System/370 Reference Summary card. Yes, it really is still sitting around on my desk. No, I don’t know why. (Click to see it larger.)
Today’s quiz, for all you young whipper-snappers: Implement the call stack on the IBM-370 which (as you will have noticed upon your first inspection) lacks machine instructions for either PUSH or POP.