Rana ROM images

So, started going through figuring out the Rana drive's firmware, and found that the one I have has a glaring bug that makes it unable to format either ED or DD disks (MFM mode is wrong, wrong, wrong!!!)

So, obviously I would rather start with a known working firmware before I do any work... What else does anyone have?

The one I have has this at the end:

00000fd0  00 00 00 00 43 4f 50 59  52 49 47 48 54 20 20 28  |....COPYRIGHT  (|
00000fe0  43 29 20 52 41 4e 41 20  53 59 53 54 45 4d 53 20  |C) RANA SYSTEMS |
00000ff0  49 4e 43 2e 52 45 56 20  53 31 31 30 32 33 30 00  |INC.REV S110230.|