Specifications

Altera Corporation 4–15
October 2007 Nios II Processor Reference Handbook
Instantiating the Nios II Processor in SOPC Builder
by implementing performance-critical operations in hardware using
custom-instruction logic. Figure 4–5 shows an example of the Custom
Instructions page.
Figure 4–5. Custom Instructions Page in the Nios II Processor MegaWizard
To add a custom instruction to the Nios II processor, select the custom
instruction from the list at the left side of the page, and click Add. The
added instruction appears on the right side of the page.