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Store word left (3/3) – NEC Network Controller uPD98502 User Manual

Page 564

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APPENDIX A MIPS III INSTRUCTION SET DETAILS

564

Preliminary User’s Manual S15543EJ1V0UM

SWL

Store Word Left (3/3)

SWL

Given a doubleword in a register and a doubleword in memory, the operation of SWL is as follows:

B

C

D

E

F

G

A

H

J

K

L

M

N

O

I

P

Register

Memory

SWL

vAddr2..0

Destination

Type

Offset

(LEM)

0

1

2

3

4

5

6

7

I J K L MN O E

I J K L MN E F

I J K L M E F G

I J K L E F G H

I J K E MN O P

I J E F MN O P

I E F GMN O P

E F G H MN O P

0

1

2

3

0

1

2

3

0

0

0

0

4

4

4

4

Remark

LEM

Little-endian memory (BigEndianMem = 0)

Type

AccessType (see Table 2-3. Byte Specification Related to Load and Store Instructions)

sent to memory

Offset

pAddr2..0 sent to memory

Exceptions:

TLB refill exception

TLB invalid exception

TLB modification exception

Bus error exception

Address error exception