MegaCore Library Does Not Appear in 32-bit Versions of DSP Builder - MegaCore Library Does Not Appear in 32-bit Versions of DSP Builder Description In Simulink, under Libraries , when you expand DSP Builder Standard blockset , the MegaCore Functions library does not appear. This problem only affects 32-bit version of DSP Builder. Resolution To work around this problem: Start DSP Builder. Click on Start, point to All Programs, click Altera <version>, click DSP Builder, and click Start in MATLAB version XX (32-bit). In MATLAB, type the following command in the Command Window: alt_dspbuilder_setup_megacore In Simulink, under Libraries , expand DSP Builder Standard blockset , the MegaCore Functions library appears. This problem is fixed in DSP Builder v13.1. Custom Fields values: ['novalue'] Troubleshooting novalue True ['novalue'] ['FPGA Dev Tools Quartus II Software'] 13.1 12.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']