Mainframe Propeller Head:

December, 2008

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December 17, 2008  8:21 PM

RFG clarifies its clarification

Mark Fontecchio Mark Fontecchio Profile: Mark Fontecchio

Analyst firm Robert Frances Group is doing a lot of clarifications. Last month Hewlett-Packard announced that 250 mainframe users had migrated to Itanium in the last two...

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December 17, 2008  7:02 PM

Debugging Tip: The error is probably in your code

Matt Stansberry Matt Stansberry Profile: Matt Stansberry

One of the answers to Robert Crawford's first Assembler quiz included this story from Bruce Roy at the University of Connecticut: I can’t remember who complained but I...


December 11, 2008  12:10 AM

Wordles: System z10, Superdome, Sun M9000

Mark Fontecchio Mark Fontecchio Profile: Mark Fontecchio

At a site called Wordle, you can input a text document and out comes what Wordle calls a "word cloud." It is basically a visual representation of the text document, with the most often used words represented larger and the least often used words represented...


December 2, 2008  5:26 PM

Crawford’s Mainframe Assembler Quiz, answers and part 2

Matt Stansberry Matt Stansberry Profile: Matt Stansberry

In his October mainframe column, columnist Robert Crawford asked what commonly used Assembler instruction can be used to add three numbers together and place the answer in a fourth location. The answer is Load Address (LA). Below is Crawford's answer and the next Assembler Quiz. Most...


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