Specifies the operand size for the data operation.
| Symbol | Value | Description |
|---|---|---|
Byte | 0 | Byte-size operands (8-bit unsigned integers). |
Word | 1 | Word-size operands (16-bit unsigned integers). |
DoubleWord | 2 | Double word-size operands (32-bit unsigned integers). |
QuadWord | 3 | Quad word-size operands (64-bit unsigned integers). |