The ensata Nintendo DS (code name NITRO) Software Emulator was developed by Nintendo IntelSys as a Debug Target for development of NITRO applications.
The following is a summary of ensata features:
Accurate rendering similar to the Nintendo DS system
Functionality as a debug target for CodeWarrior for NITRO *1
Functionality as a viewer for NITRO-Character *2
A debug print output console
Whats Emulated:
ARM 946ES
3D Graphics
Geometry
Geometry engine processes are implemented with a process time of zero.
Coordinate values during calculation overflow differ greatly from the production unit.
Counter values for Polygon List RAM/Vertex RAM overflow do not update (updates will occur on the production unit)
Specifications for polygon auto sort on the Nintendo DS system is not implemented
Software Rendering
All features implemented. (However, differences in the image may exist.)
For more details Compatibility with NITRO