
CM71-00105-1E FUJITSU MICROELECTRONICS LIMITED 107
FR81 Family CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.2
7.2 ADD (Add Word Data of Source Register to Destination Register)
Adds word data of Rj to Ri, stores result to Ri.
●Assembler Format
ADD Rj, Ri
●Operation
Ri + Rj → Ri
●Flag Change
N: Set when the MSB of the operation result is "1", cleared when the MSB is "0".
Z: Set when the operation result is zero, cleared otherwise.
V: Set when an overflow has occurred as a result of the operation, cleared otherwise.
C: Set when a carry has occurred as a result of the operation, cleared otherwise.
●Classification
Add/Subtract Instruction, Instruction with delay slot
●Execution Cycles
1 cycle
●Instruction Format
NZVC
CCCC
MSB LSB
10100110 Rj Ri