This feature adds some keywords besides those mentioned in Reserved Words chapter:
| Keyword | Corresponding addressing mode |
|---|---|
| opru14 | EXT1 – u14 Short Extended |
| opru18 | EXT2 – u18 Extended |
| opr24 | EXT3 – 24b Extended |
| opr24a | |
| opru4 | IDX – u4 Constant offset from xys |
| oprs9 | IDX1 – s9 Constant offset from xysp (direct or indirect) |
| opr24 | IDX – 24b Constant offset from xysp (direct or indirect) |
| opr8i | IMM1 (8-bit signed offset) |
| opr16i | IMM2 (16-bit signed offset) |
| opr24i | IMM3 (24-bit signed offset) |
| opr32i | IMM4 (32-bit signed offset) |
| sxe4i | IMMe4 – Short immediate (-1, 1, 2, … 14, 15) |
| opr5i | 5-bit immediate value |
| opr7i | REL – 7-bit relative offset |
| opr15i | REL1 – 15-bit relative offset |
All keywords are case insensitive in Inline Assembler.