| 0.5| 6..10 |11.15| 16.20 | 21...30 |31| name |
| -- | ----- | --- | ----- | ------- |--| ------- |
-| PO | BT/dx | FRA | dc | XO |dm| fptstsp |
+| PO | BF/dx | FRA | dc | XO |dm| fptstsp |
```
DCMX <- dc || dm || dx
class.NaN <- (exponent = 0xFF) & (fraction != 0)
class.Zero <- (exponent = 0x00) & (fraction = 0)
class.Denormal <- (exponent = 0x00) & (fraction != 0)
-CR{BT} <- ((DCMX[0] & class.NaN & !sign) |
+CR{BF} <- ((DCMX[0] & class.NaN & !sign) |
(DCMX[1] & class.NaN & sign)) ||
((DCMX[6] & class.Denormal & !sign) |
(DCMX[7] & class.Denormal & sign)) ||