of what the "SP" project was actually investigating.
Run an emulator audit tool (like Clrmamepro) to verify that the file size and MD5/SHA-1 checksum match the database version required by your emulator version. For Hardware and Synth Firmware Updates sp5001-a.bin
If you want, I can: extract and analyze a specific sp5001-a.bin file you provide, generate a tooling script to automate extraction/repack, or produce a smaller quickstart checklist for flashing. of what the "SP" project was actually investigating