Dualis

Dualis is a Nintendo DS emulator for Windows, written mainly in C++ and x86 assembly. It is fairly rudimentary, lacks a lot of functionality and cannot run commercial games.

It also does not emulate the DS hardware in any depth, and has no support for the ARM7 processor at all.

Dualis is therefore only useful for homebrew and test software.

For homebrew or ROM development, more complete emulators such as DeSmuME, NO$GBA or melonDS are a better choice.