FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E - Manual (Page 97)

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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.2 ADD (Add 4-bit Immediate Data to Destination Register)
Adds the result of the higher 28 bits of 4-bit immediate data with zero extension to the
word data in "Ri", stores results to the "Ri".
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ADD (Add 4-bit Immediate Data to Destination Register)
Assembler format: ADD #i4, Ri
Operation: Ri + extu(i4)
→
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 "0", 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.
Execution cycles: 1 cycle
Instruction format:
Example: ADD #2, R3
N Z V C
C C C C
MSB LSB
1 0 1 0 0 1 0 0 i4 Ri
R3 9 9 9 9 9 9 9 7
N Z V C
CCR
R3
CCR 0 0 0 0
N Z V C
1 0 0 0
9 9 9 9 9 9 9 9
Instruction bit pattern : 1010 0100 0010 0011
Before execution After execution