Documenting Sony Memory Stick UPDATE HISTORY:May 17 2022 - Documented the Sony Memory Stick Host chip MB86189Apr 4 2022 - Added MSIO Camera documentation, added camera and GPS sample codeApr 3 2022 - Added MSIO GPS documentationMar 25 2022 - Added some more MSIO infoMar 19 2022 - added some MSIO info Disclaimer: most of this data was scrounged from many sources, guessed from disassembly, inferred