64-Bit Windows Part 11: Windows On Windows 64

We saw that both Itanium and x64 processors have a way of making their differences from 32-bit x86 processors invisible to 32-bit x86 code, although we noted that x64’s do so in a way that is a lot more efficient than  Itaniums.  However, when the 32-bit x86 code is running on a 64-bit operating system,…

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