Monthly Archives: September 2008

NDS register overview

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[note title="libnds 1.3.1 updates"]

libnds has fixed the datatypes of pretty much all registers and have moved to the GBATek nomenclature for the BG-related registers. The list has been updated to match the libnds v1.3.1. of

[/note]

The state of register names for NDS homebrew is a bit of a mess. First, there are the GBATek names. Since GBATek is considered the source of GBA/NDS information, it would make sense to adhere to those names pretty closely. But, of course, that's not how actually is in the de facto library for NDS homebrew, libnds.

libnds has two sets of names. This probably is a result of serving different masters in its early days. One set uses Mappy's nomenclature. That's the one without the REG_ in front of it, and uses things like _CR, and _SR. This is one you're most likely to see in the current NDS tutorials. The second set uses GBATek's names (mostly) plus a REG_ prefix. If you've done GBA programming, these should feel quite familiar.

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hurray for bookies

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I think I mentioned this before, but we have this Book fair thing over here. These are generally wonderful in that the admission is free, things are usually pretty damn cheap compared to regular stores and even teh internets, and (very unlike most stores in this country *grumble*) there's a large variety of computer and science books as well. Even good ones.

Every month there's one in a different location; and this weekend it was Utrecht. I wasn't planning on going at first because I know I can't keep my hands of the things and I still have a considerable backlog from the last few times I went, but I had to go in that direction anyway, so I figured why not. And, as always, I went in with the idea that I didn't really need anything anymore, but came out with a bag full regardless. Book included:

  • “It Must Be Beautiful: Great Equations of Modern Science”, exploring the story behind some of the most important equations in physics today.
  • “Quantum Field Theory: A Modern Introduction” by Michio Kaku. Yes that Kaku. I didn't do much with QFT at univeristy because it's fucking scary, but perhaps this time I can have better luck. If I ever get round to reading it.
  • “Cross-Platform Game programming“, dealing with memory and resource management for multiple systems, creating debugging facilities and more. I think this would have come in handy if I'd found it a few years ago. Oh well. Particularly nice feature: it was only €4; nearly a tenth of the regular price.

So yeah, another good batch. Now I just have to find the time to read them all.