Motorola MPC823e Reference Manual page 1247

Microprocessor for mobile computing
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lwzx
Assembler Syntax
BIT
0
1
2
FIELD
31
BIT
16
17
18
FIELD
B
Definition
Operation
Description
MOTOROLA
lwzx
rD,rA,rB
3
4
5
6
7
19
20
21
22
23
Load Word and Zero Indexed
if rA = 0 then b ← 0
b ← (rA)
else
EA ← b + rB
rD ← MEM(EA, 4)
EA is the sum (rA|0) + (rB). The word in memory addressed by
EA is loaded into rD.
Other registers altered:
None
POWERPC ARCHITECTURE
LEVEL
UISA
MPC823e REFERENCE MANUAL
MPC823e Instruction Set—lwzx
8
9
10
11
12
D
24
25
26
27
28
23
SUPERVISOR
OPTIONAL
LEVEL
13
14
15
A
29
30
31
0
FORM
X
B-89

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