Because the underlying data structure of a PS1 MCR file is usually identical to a RetroArch SRM file, you can often convert them just by changing the file extension. Step-by-Step for Windows Find the .mcr file you want to convert.
Technical Report: MCR to SRM Conversion for Emulators In the context of retro gaming, files (PlayStation memory card files) and .srm files (RetroArch's universal Save RAM format) are functionally similar raw data containers. Converting between them is primarily done to move saves between standalone emulators like ePSXe and the multi-core frontend RetroArch . Quick Conversion Methods
Beyond MemcardRex, several other tools exist for unique conversion scenarios: mcr to srm converter
SRM Color = 1.49 × (MCU^0.69)
It makes data compatible with repositories that mandate strict structural standards. Because the underlying data structure of a PS1
An is not a magic box but a practical engineering strategy involving interposing relays, SSRs, and careful signal matching. By converting legacy MCR circuits to SRM control, you gain programmability, diagnostics, and energy efficiency without scrapping your existing contactors. Start with a small pilot conversion – for example, a single motor starter – and scale up once you verify reliability.
Where:
Navigate to your RetroArch directory and open the folder.