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56 ld (load word data in memory to register), Ld (load word data in memory to register) – FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E User Manual

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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS

7.56

LD (Load Word Data in Memory to Register)

Loads the word data at memory address "Rj" to "Ri".

LD (Load Word Data in Memory to Register)

Assembler format:

LD @Rj, Ri

Operation:

(Rj)

Ri

Flag change:

N, Z, V, and C: Unchanged

Execution cycles:

b cycle(s)

Instruction format:

Example:

LD @R2, R3

N

Z

V

C

MSB

LSB

0

0

0

0

0

1

0

0

Rj

Ri

R2

12345678

1 2 3 4

5 6 7 8

0 0 0 0

0 0 0 0

R2

R3

R3

8 7 6 5

4 3 2 1

8 7 6 5

4 3 2 1

1 2 3 4

5 6 7 8

Memory

12345678

8 7 6 5

4 3 2 1

Memory

Before execution

After execution

Instruction bit pattern : 0000 0100 0010 0011