Lsl2 (Logical Shift To The Left Direction) - Fujitsu FR Family Instruction Manual

CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.46

LSL2 (Logical Shift to the Left Direction)

Makes a logical left shift of the word data in "Ri" by "{u4 + 16}" bits, stores the results to
"Ri".
■ LSL2 (Logical Shift to the Left Direction)
Assembler format: LSL2 #u4, Ri
Ri << {u4 + 16} → Ri
Operation:
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: Unchanged
C: Holds the bit value shifted last.
Execution cycles: 1 cycle
Instruction format:
Example: LSL2 #8, R3
140
N Z V C
C C – C
MSB
1 0 1 1
Instruction bit pattern :
1011 0101 1000 0011
R3
F F F F F F F F
N Z V C
CCR
0 0 0 0
Before execution
0 1 0 1 u4
LSB
Ri
R3
F F 0 0 0 0 0 0
N Z V C
CCR
1 0 0 1
After execution