FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E - Manual (Page 167)

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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.49 LSR2 (Logical Shift to the Right Direction)
Makes a logical right shift of the word data in "Ri" by "{u4 + 16}" bits, stores the result
to "Ri".
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LSR2 (Logical Shift to the Right Direction)
Assembler format: LSR2 #u4, Ri
Operation: Ri >> {u4 + 16}
→
Ri
Flag change:
N: Cleared
Z: Set when the operation result is "0", cleared otherwise.
V: Unchanged
C: Holds the bit value shifted last.
Execution cycles: 1 cycle
Instruction format:
Example: LSR2 #8, R3
N Z V C
0 C – C
MSB LSB
1 0 1 1 0 0 0 1 u4 Ri
R3 R3 0 0 0 0 0 0 F F F F F F F F F F
N Z V C
CCR CCR
N Z V C
0 0 0 1 0 0 0 0
Instruction bit pattern : 1011 0001 1000 0011
Before execution After execution