Nios II Ports Created Incorrectly - Nios II Ports Created Incorrectly Description A threading issue between SOPC Builder and the Nios II MegaWizard™ interface occasionally causes HDL file analysis to fail. This creates all ports as std_logic input with width 1. This issue affects Nios II processor systems with custom instructions. Design fails to run in ModelSim ® . Resolution After adding your custom instruction, close and relaunch SOPC Builder. Custom Fields values: ['novalue'] Troubleshooting novalue True ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 10.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue'] - 2021-08-25

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