Fujitsu CM71-00101-5E User Manual
76
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.5
ADDN (Add Word Data of Source Register to Destination
Register)
Register)
Adds the word data in "Rj" and the word data in "Ri", stores results to "Ri" without
changing flag settings.
changing flag settings.
■
ADDN (Add Word Data of Source Register to Destination Register)
Assembler format:
ADDN Rj, Ri
Operation:
Ri + Rj
→
Ri
Flag change:
N, Z, V, and C: Unchanged
Execution cycles:
1 cycle
Instruction format:
Example:
ADDN R2, R3
N
Z
V
C
–
–
–
–
MSB
LSB
1
0
1
0
0
0
1
0
Rj
Ri
R2
R3
1 2 3 4
5 6 7 8
8 7 6 5
4 3 2 1
N Z V C
CCR
R2
R3
CCR
0 0 0 0
N Z V C
0 0 0 0
9 9 9 9
9 9 9 9
1 2 3 4
5 6 7 8
Before execution
After execution
Instruction bit pattern : 1010 0010 0010 0011