Fujitsu MB90895 Series Hardware Manual page 54

CHAPTER 3 CPU
Figure 3.2-6 Example of 16-bit Data Transfer to Accumulator (A) (Data Saving)
MOVW A,@RW1+6
Before
execution
After
execution
Figure 3.2-7 Example of 32-bit Data Transfer to Accumulator (A) (Register Indirect)
MOVL A,@RW1+6
Before
execution
After
execution
36
(Instruction of following execution;
- Reading by the result(RW1 contents + 8-bit length offset) as address
- Storing the data contents in register A
AH AL
XXXX 1234
H H
A6
DTB
H
2B52
1234
H
H
(Instruction of following execution;
- Reading long word by the result(RW1 contents + 8-bit length offset) as address
- Storing the data contents in register A
AH AL
XXXX XXXX
H H
A6
DTB
H
2B52
8F74
H
H
)
Memory space
MSB
RW1
15
H
+ 6
2B
A6153F
H
H
8F
A61541
H
H
X: Undefined
MSB: Most significant bit
LSB: Least significant bit
DTB: Data bank register
)
Memory space
MSB
RW1
15
H
+ 6
2B
A6153F
H
H
8F
A61541 H
H
X: Undefined
MSB: Most significant bit
LSB: Least significant bit
DTB: Data bank register
LSB
38
H
52
A6153E
H
H
74
A61540
H
H
LSB
38
H
52
A6153E
H
H
74
H A61540
H