Altera Nios II Custom - Manual (Page 39)

January 2011 Altera Corporation Nios II Custom Instruction User Guide
A. Custom Instruction Templates
This appendix provides VHDL and Verilog HDL custom instruction wrapper file
templates that you can reference when writing custom instructions in VHDL and
Verilog HDL.
f
Full sets of template files are available in the <nios2eds installation
directory>/examples/verilog/custom_instruction_templates and <nios2eds installation
directory>/examples/vhdl/custom_instruction_templates directories.