7.120 NOP (No Operation)
This instruction performs no operation.
■ NOP (No Operation)
Assembler format:
NOP
Operation:
This instruction performs no operation.
Flag change:
N, Z, V, and C: Unchanged
Execution cycles:
1 cycle
Instruction format:
Example:
NOP
N
Z
V
C
–
–
–
–
MSB
1
0
0
1
Instruction bit pattern : 1001 1111 1010 0000
PC
8 3 4 3 8 3 4 A
Before execution
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
1
1
1
1
1
0
LSB
1
0
0
0
0
0
PC
8 3 4 3 8 3 4 C
After execution
237