sample assembly code

This is not the appropriate forum for this question, you may want to ask in the device forum for the specific device you are working with. Although it is much more common to have C code examples than assembly only examples.

These Users Guides should be helpful to get you started:

http://www.ti.com/lit/ug/spru732j/spru732j.pdf
http://www.ti.com/lit/spru186