| Value | Meaning |
|---|---|
| invalid0 | Uninitialized |
| reg | Register operand |
| imm | Immediate operand |
| mem | Memory operand |
| fpSingle | Single precision Floating-Point operand |
| fpDouble | Double precision Floating-Point operand |
| regBits | Register bits move |
| regPair | Register pair in the same op (upper 4 bits for first reg, lower for second) |
| brDisp | Branch displacement |
Operand type for instruction's operands