How do I instantiate a VHDL entity in an AHDL design? - How do I instantiate a VHDL entity in an AHDL design? Description To instantiate a VHDL entity in an AHDL design, perform the following steps: Open the VHDL file in the Quartus® II Text Editor. From the File menu, point to Create/Update and select Create AHDL Include Files for Current File . This action creates a Include file ( .inc ) with all the port declarations. In the AHDL file, add the following statement to include the .inc : INCLUDE " <name> .inc"; The files are now ready to compile. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['novalue'] novalue novalue ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']