Run your emulator again. To ensure the ROM is correct, you can run the command mame -verifyroms qsound in your terminal or command prompt. Frequently Asked Questions
If you own an original QSound-compatible game or arcade PCB, you are legally entitled to extract the binary from your own hardware. For emulation, fair use/abandonware arguments vary by jurisdiction, but possession of these files without owning the original hardware may violate copyright in some regions. dl1425bin qsoundzip updated download