Wow. Given that this time last week we had absolutely no idea about the file formats of the .grv files, we have come a loooong way. Our opcode list is now more complete than not, and jvprat has implemented a skeleton script interpreter which we can now go about adding opcodes to one by one.
It’s still going to be quite some time before anything is playable, but it’s on its way! In the meantime, here’s a photo of some of my working…