Fujitsu CM71-00101-5E User Manual
150
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