The dl-1425.bin file is a DSP (Digital Signal Processor) firmware image. In the context of the project, it serves as the instructional brain for the QSound chip found on Capcom Play System 2 (CPS2) and some Sony ZN-1/ZN-2 motherboards.
In earlier versions of MAME, this file was often named qsound.bin . However, following more accurate "decapping" and documentation of the actual Capcom hardware, MAME transitioned to using the more accurate filename dl-1425.bin . Common Issue: "dl-1425.bin NOT FOUND" dl 1425bin upd
: If you have a direct link associated with this string, use it to try and access the document. The dl-1425