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VR4102 Datasheet(PDF) 607 Page - NEC

Part # VR4102
Description  64/32-bit Microprocessor
PDF  701 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

VR4102 Datasheet(HTML) 607 Page - NEC

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CHAPTER 27 CPU INSTRUCTION SET DETAILS
607
LWL
Load Word Left
LWL
(Continued)
Given a doubleword in a register and a doubleword in memory, the operation of LWL is as follows:
B
C
D
E
F
G
A
H
J
K
L
M
N
O
I
P
Register
Memory
LWL
vAddr
2..0
BigEndianCPU = 0
destination
type
offset
(LEM)
0
1
2
3
4
5
6
7
S S SSP F G H
SS S S O P G H
SS S S N O P H
SS S S M N O P
SS S S L F G H
S S SSK L G H
SS S S J K L H
SS S S I J K L
0
1
2
3
0
1
2
3
0
0
0
0
4
4
4
4
LEM
Little-endian memory (BigEndianMem = 0)
Type
AccessType (see Table 3-2) sent to memory
Offset
pAddr
2...0 sent to memory
S
sign-extend of destination
31
Exceptions:
TLB refill exception
TLB invalid exception
Bus error exception
Address error exception



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