| 0-5 | 6 | 7 | 8-31 | Description |
|------|---|---|------|---------------------------|
-|EXT001| 0 | 0 | nnnn | new, |
-|EXT001| 1 | 0 | nnnn | suffix=defined-word |
-|EXT001| 0 | 1 | nnnn | new, |
-|EXT001| 1 | 1 | nnnn | suffix=defined-word |
+|EXT001| 0 | 0 | nnnn | load/store |
+|EXT001| 1 | 0 | nnnn | reg-to-reg |
+|EXT001| 0 | 1 | nnnn | load/store suffix=defined-word |
+|EXT001| 1 | 1 | nnnn | reg-to-reg suffix=defined-word |
this "doubling" is already public and part of EXT001, the idea