u8 may have been 0xff, (aka. 255), but bitset was only 255 elements, so doing bitset[255] is technically OOB
additionally the max size estimate for index formats was not correct, there can be up to 256 elements with a u8 format index, not just 255
Signed-off-by: lizzie <lizzie@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4006
Reviewed-by: crueter <crueter@eden-emu.dev>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>