Add int_FAC1

STATUS.md

@@ -238,7 +238,7 @@ Floating point mathematical routines - not official, but well known and broadly
 | `$BC58`   | `abs_FAC1`             | NOT DONE |                                                    |
 | `$BC5B`   | `FCOMP`                | DONE     |                                                    |
 | `$BC9B`   | `QINT`                 | NOT DONE | convert FAC1 to 32 bit signed integer              |
-| `$BCCC`   | `int_FAC1`             | NOT DONE |                                                    |
+| `$BCCC`   | `int_FAC1`             | DONE     |                                                    |
 | `$BCF3`   | `FIN`                  | NOT DONE | imports string to FAC1, ignores spaces             |
 | `$BD7E`   | `FINLOG`               | NOT DONE |                                                    |
 | `$BDDD`   | `FOUT`                 | NOT DONE | outputs FAC1 to string at $0100                    |