| Class | Superclass | Slots |
| base p u w |
| Class | Superclass |
| Word | Stack effect |
| ( target l -- ) | |
| ( Rm l -- ) | |
| ( addressing-mode -- n ) | |
| ( addressing-mode -- n ) | |
| ( register -- n ) | |
| ( shift-imm/Rs Rm shift -- n ) | |
| ( shifter-op -- n ) |
| Word | Stack effect |
| ( Rn shifter-op opcode -- ) | |
| ( Rd Rm Rs Rn a -- ) | |
| ( RdLo RdHi Rm Rs s a -- ) | |
| ( n -- ) | |
| ( base p u w -- addressing ) | |
| ( Rd Rn shifter-op opcode -- ) | |
| ( Rd Rn addressing-mode b l -- ) | |
| ( Rn Rd addressing-mode h l s -- ) | |
| ( b -- n n ) | |
| ( bitspec -- ) | |
| ( bitspec -- ) |
| Word | Stack effect |
| ( object -- ? ) | |
| ( object -- ? ) |