http://i.imgur.com/cCqYaRj.jpg
Please excuse the 4chan noob but Merry fraking christmas
hear you go have a mirror of the Pokemon Prism ROMs
these are just .gbc files and one .cia file if you have a 3DS
iv check them with VisualBoyAdvance-SDL and mGBA on a ps vita but i cant check the 3DS ROM sorry

So this is all the Pokemon Prism ROMs i could find
mega:///#!Z98C3ajC!tGUxTEWBCKnCxWoo-H6NxISbiJHsjfNL73qRYJhOggA

And this is just the V0.91 B0144 of Pokemon Prism with is what you're probably looking for
https://mega.nz/#!gh90DJAL!kpevawp72DvYVrdx8rWLilU9NtIYfPo57dCgcgESb20