Chapter 5 Basic Instructions 
5-19 
Instruction code  Operand  Function 
INV 
- 
Inverting the logical operation 
result 
Symbol: 
     
Explanation: 
The logical operation result preceding the instruction INV is inverted, and the inversion result stored 
in the accumulative register.   
Example: 
When X0.0 is ON, Y0.0 is OFF. When X0.0 is OFF, Y0.0 is ON.