FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E - Manual (Page 178)

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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.60 LD (Load Word Data in Memory to Register)
Loads the word data at memory address "R15" to "Rj", and adds 4 to the value of "R15".
If "R15" is given as parameter "Ri", the value read from the memory will be loaded into
memory address "R15".
■
LD (Load Word Data in Memory to Register)
Assembler format: LD @ R15 +, Ri
Operation: (R15)
→
Ri
R15 + 4 → R15
Flag change:
N, Z, V, and C: Unchanged
Execution cycles: b cycle(s)
Instruction format:
Example: LD @ R15 +, R3
N Z V C
– – – –
MSB LSB
0 0 0 0 0 1 1 1 0 0 0 0 Ri
12345678
1234567C
1 2 3 4 5 6 7 8
R3
R15
8 7 6 5 4 3 2 1 12345678
1234567C
8 7 6 5 4 3 2 1
R3
1 2 3 4 5 6 7 C
8 7 6 5 4 3 2 1
R15
x x x x x x x x
Memory Memory
Before execution After execution
Instruction bit pattern : 0000 0111 0000 0011