46 lsl2 (logical shift to the left direction), Lsl2 (logical shift to the left direction) – FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E User Manual

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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

Operation:

Ri << {u4 + 16}

→

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

–

MSB

LSB

F F 0 0 0 0 0 0

F F F F F F F F

N Z V C

CCR

N Z V C

1 0 0 1

0 0 0 0

Instruction bit pattern :

1011 0101 1000 0011

Before execution

After execution