mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 1293

• Manufacturer Part Number: mpc823rg
• Description: Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
• Manufacturer: Freescale Semiconductor, Inc

MPC823 Instruction Set—stwbrx
stwbrx
Assembler Syntax
Definition
Operation
Description
FIELD
FIELD
BIT
BIT
16
0
17
1
18
B
2
Freescale Semiconductor, Inc.
31
For More Information On This Product,
19
3
else
EA
MEM(EA, 4)
bits of rS are stored into bits 0–7 of the word in memory
addressed by EA. The contents of the subsequent eight low-
order bits of rS are stored into bits 8–15 of the word in memory
addressed by EA. The contents of the subsequent eight low-
order bits of rS are stored into bits 16–23 of the word in memory
addressed by EA. The contents of the subsequent eight low-
order bits of rS are stored into bits 24–31 of the word in memory
addressed by EA.
Other registers altered:
stwbrx
Store Word Byte-Reverse Indexed
if rA = 0 then b
EA is the sum (rA|0) + (rB). The contents of the low-order eight
POWERPC ARCHITECTURE
20
MPC823 REFERENCE MANUAL
4
b + (rB)
b
None
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21
5
LEVEL
UISA
(rA)
rS,rA,rB
22
6
rS[24-31] || rS[16-23] || rS[8-15] || rS[0-7]
0
23
7
24
S
8
25
9
SUPERVISOR
662
10
26
11
27
OPTIONAL
12
28
13
29
A
MOTOROLA
14
30
FORM
X
15
31
0