Cx4.bin -

The Cx4 is a mathematical coprocessor developed by Capcom to handle complex 2D geometric calculations that the standard SNES CPU could not perform efficiently. It is famously used in only two games:

: If using an Analogue Super NT , the typical path is /SNES/cx4.bin . For the FXPak Pro, it usually goes into the /sd2snes/ system folder. bin or st010.bin ? FXPAK / SD2SNES Downloads - Stone Age Gamer cx4.bin

The most famous examples include: