Board Thread:Questions and Answers/@comment-5986608-20130628164100/@comment-15296152-20130817062449

If anyone wants to know where this information was obtained, it was obtained at the following site.

http://nocash.emubase.de/gbatek.htm

The actual portion of this information is here.

http://nocash.emubase.de/gbatek.htm#lcdobjoverview

For reference, the OBJs described are also known as "sprites". The DSi's (and DS's) 2D hardware is a small step up from the GBA's 2D hardware but still true in operation, so it follows the limitations as well.