The [https://2477569.playcode.io/ Viewer Page] is written in JS and does not require any special dependencies, it can run as a plain html file offline.
There still needs to be work done ''See "Automatic Dead Pixels and Flatmap Correction" below how to create own maps new dead pixel and flatfields but flatmaps using the cameras are still very capable and useable with fully cleared mapssystem menu. To clear the maps, just go to these offsets and fill with values around 0x3F or 0x0 for total length of X Resolution x Y Resolution x 2 bytes (0x96000 for 640x480)''