Add (Add Word Data Of Source Register To Destination Register) - Fujitsu FR Family Instruction Manual

CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.1 ADD (Add Word Data of Source Register to Destination
Register)
Adds word data in "Rj" to word data in "Ri", stores results to "Ri".

■ ADD (Add Word Data of Source Register to Destination Register)

Assembler format: ADD Rj, Ri
Ri + Rj → Ri
Operation:
Flag change:
N :
Z :
V :
C :
Execution cycles: 1 cycle
Instruction format:
Example: ADD R2, R3
72
N Z V C
C C C C
Set when the MSB of the operation result is "1", cleared when the MSB is "0".
Set when the operation result is "0", cleared otherwise.
Set when an overflow has occurred as a result of the operation, cleared otherwise.
Set when a carry has occurred as a result of the operation, cleared otherwise.
MSB
1 0 1 0
Instruction bit pattern : 1010 0110 0010 0011
R2
1 2 3 4 5 6 7 8
R3
8 7 6 5 4 3 2 1
N Z V C
CCR
0 0 0 0
Before execution
0 1 1 0 Rj
LSB
Ri
R2
1 2 3 4 5 6 7 8
R3
9 9 9 9 9 9 9 9
N Z V C
CCR
1 0 0 0
After execution