| Value | Meaning |
|---|---|
| invalid0 | Uninitialized |
| register | Register operand |
| immediate | Immediate operand |
| indexed | Indexed addressing operand |
| extended | Extended addressing operand |
| direct | Direct addressing operand |
| relative | Relative addressing operand |
| constant | Constant operand (Displayed as number only). Used e.g. for a bit index or page number. |
Operand type for instruction's operands