Ld (Load Word Data In Memory To Register) - Fujitsu FR Family Instruction Manual

CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.58

LD (Load Word Data in Memory to Register)

Load the word data at memory address "(R14 + o8 × 4)" to "Ri".
The value "o8" is a signed calculation.
■ LD (Load Word Data in Memory to Register)
Assembler format: LD @ (R14, disp10), Ri
Operation: (R14 + o8 × 4) → Ri
Flag change:
N, Z, V, and C: Unchanged
Execution cycles: b cycle(s)
Instruction format:
Example: LD @ (R14, 4), R3
152
N Z V C
– – – –
MSB
0 0 1
Instruction bit pattern :
R3
x x x x
R14 1 2 3 4 5 6 7 8
12345678
Memory
1234567C
8 7 6 5 4 3 2 1
Before execution
0 o8
0010 0000 0001 0011
x x x x
LSB
Ri
R3
8 7 6 5 4 3 2 1
R14 1 2 3 4 5 6 7 8
12345678
Memory
1234567C
8 7 6 5 4 3 2 1
After execution