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>And is it possible to >extend that into the program's executable code? Generally speaking, no. Data pages and program pages are well defined from eachother. I would imagine you'd simply get a mrmory fault if you attempted to change a code page. >Can you move data to a >procedure pointer? And keep the pointer valid? Not sure, don't think so. Then again, I have heard of someone running PPC machine instructions out of a user space, so at that point it gets really interesting. >Including OS400 itself? Using just HLL programs? Isn't Leif's book mostly >about MI? Sure you can mod OS400 data -- but be careful! Changing the global SEPT is an example. Since most MI opcodes can be accessed from RPG I would think you might be able to do it in RPG, however, why don't you consider MI an HLL? -Walden ------------ Walden H Leverich III Tech Software (516) 627-3800 x11 WaldenL@xxxxxxxxxxxxxxx http://www.TechSoftInc.com Quiquid latine dictum sit altum viditur. (Whatever is said in Latin seems profound.)
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