VECI_FP_UNFL
[VECI_FP_UNFL] = badtrap,
vectab[VECI_FP_UNFL] = fpfault;
vectab[VECI_FP_UNFL] = FP_UNFL_HANDLER40;
vectab[VECI_FP_UNFL] = FP_UNFL_HANDLER60;