pants64DS

Polynomial solver crashes with certain (quite reasonable) inputs

10

The following call never returns: ```cpp sym::solve_real_roots(sym::Polynomial {1, 0, 0, 1, 1}); ``` I tested with other quartic polynomials as well, and the crash seems to always happen when the...

Turn dependencies into Git submodules

2

This makes it so that [GotaSoundIO](https://github.com/Gota7/GotaSoundIO), [GotaSoundBank](https://github.com/Gota7/GotaSoundBank) and [GotaSequenceLib](https://github.com/Gota7/GotaSequenceLib) can be cloned automatically when cloning this repository, and the project can be built without having to setup anything manually. Also...

No$GBA debug registers not visible to the ARM7

1

The [No$GBA debug registers](http://problemkaputt.de/gbatek.htm#dsdebugregistersemulatordevkits) starting at `04fffa00` can only be accessed by the ARM9 on melonDS. On No$GBA both CPUs can access them, like GBATEK says.