Handheld devices including smartphones and Tablet PCs have touch screens and many buttons for different functions. In order to save battery power, if the screen is not touched or the button is not ...

Just as you can often treat device registers as a memory-mapped struct, you can treat an interrupt vector as a memory-mapped array. In my last column, I suggested that you use casts sparingly and with ...

Hi all,<br><br>I was trying to figure out how APIC and IRQL are related, and I can't quite get it organized in my head. So far I have this, which I think is right:<br><br>The PIC used to support up to ...