Cheerful Curmudgeon

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Geezer Tech

December 23, 2010 Art Zemon

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!):

Dilbert.com

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.)

System/370 Reference Summary
System/370 Reference Summary card from 1974

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.

Fun, Technology

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About Art Zemon

Omni-curious geek. Husband. Father. Airplane builder & pilot. Bicyclist. Photographer. Computer engineer.

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