Store doubleword right (3/3) – NEC Network Controller uPD98502 User Manual
Page 545
APPENDIX A MIPS III INSTRUCTION SET DETAILS
Preliminary User’s Manual S15543EJ1V0UM
545
SDR
Store Doubleword Right (3/3)
SDR
Given a doubleword in a register and a doubleword in memory, the operation of SDR instruction is as follows:
B
C
D
E
F
G
A
H
J
K
L
M
N
O
I
P
Register
Memory
SDR
vAddr2..0
Destination
Type
Offset
(LEM)
0
1
2
3
4
5
6
7
A B C D E F G H
B C D E F G H P
C D E F G H O P
D E F G H N O P
E F G H MN O P
F G H L MN O P
G H K L MN O P
H J K L MN O P
7
6
5
4
3
2
1
0
0
1
2
3
4
5
6
7
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
Reserved instruction exception (32-bit user mode/supervisor mode)