FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E - Manual (Page 177)

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CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.59 LD (Load Word Data in Memory to Register)
Loads the word data at memory address "(R15 + u4 × 4)" to "Ri".
The value "u4" is an unsigned calculation.
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LD (Load Word Data in Memory to Register)
Assembler format: LD @ (R15, udisp6), Ri
Operation: (R15 + u4 × 4)
→
Ri
Flag change:
N, Z, V, and C: Unchanged
Execution cycles: b cycle(s)
Instruction format:
Example: LD @ (R15, 4), R3
N Z V C
– – – –
MSB LSB
0 0 0 0 0 0 1 1 u4 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 8
8 7 6 5 4 3 2 1
R15
Instruction bit pattern : 0000 0011 0001 0011
x x x x x x x x
Memory Memory
Before execution After execution