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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.6 ADDN (Add 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 the results to "Ri" without changing flag settings.
■ ADDN (Add Immediate Data to Destination Register)
Assembler format: ADDN #i4, Ri
Operation: Ri + extu(i4) → Ri
Flag change:
N, Z, V, and C: Unchanged
Execution cycles: 1 cycle
Instruction format:
Example: ADDN #2, R3
NZVC
––––
MSB LSB
10100000 i4 Ri
R3
9999 9997
NZVC
CCR
R3
CCR
0000
NZVC
0000
9999 9999
Instruction bit pattern : 1010 0000 0010 0011
Before execution After execution