Snes9xGX-4.5.4.I'm positive that Snes9xRX-5.5.0 will launch from an SD2SP, but I only get the "Loading DVD" error when in use... However, other apps will work off the SD2SP. At first, what caused other apps not to work for me on the SD2SP was b/c my microSD card needed to be formatted to FAT32 first or I would get a "Loading DVD" error since ExFAT isn't supported for those apps. I have 2 modded GameCubes: One w/ a Xeno Chip that runs SWISS from a burned bootdisk w/ the latest version of SWISS, but I use a SD card memory card adapter for it and my other GC has a Picoboot that runs SWISS off of a SD2SP. Snes9xRX-5.5.0 was only working from the GC using a SD card memory card adapter, but Snes9xGX-4.5.4 runs fine on both modded GC's.
This version from another developer works perfectly
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Snes9xRX-5.5.0
This one is not compatible with the files I use.