I might try but it sounds quite complicated and I'm an advanced user but not a programmer.
For now I isolated these registers that need to be converted as part of "ECOR"..
HWAK, 16,
SBRC, 16,
SBFC, 16,
SBAC, 16,
SBVO, 16,
SBBM, 16,
SBDC, 16,
SBDV, 16,
SBSN, 16
SBCH...