mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 1234

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

lswx
Assembler Syntax
Definition
Operation
Description
FIELD
FIELD
BIT
BIT
16
0
17
1
18
B
2
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31
For More Information On This Product,
19
3
else b
EA
n
r
i
rD
if i = 32 then
r
GPR(r)
GPR(r)[i–i + 7]
i
if i = 32 then i
EA
n
of bytes to load. Let nr = CEIL( n
registers to receive data. If n > 0, n consecutive bytes starting at
EA are loaded into GPRs rD through rD + nr – 1.
Bytes are loaded left to right in each register. The sequence of
registers wraps around through r0 if required. If the four bytes of
rD + nr – 1 are only partially filled, the unfilled low-order byte(s)
of that register are cleared. If n = 0, the contents of rD are
undefined.
If rA or rB is in the range of registers specified to be loaded,
including the case in which rA = 0, either the system illegal
instruction error handler is invoked or the results are boundedly
undefined. If rD = rA or rD = B, the instruction form is invalid. If
rD and rA both specify GPR0, the form is invalid.
lswx
Load String Word Indexed
if rA = 0 then b
EA is the sum (rA|0) + (rB). Let n = XER[25–31]; n is the number
do while
20
32
i + 8
rD – 1
r + 1 (mod 32)
MPC823 REFERENCE MANUAL
XER[25–31]
4
n
undefined
– 1
b + (rB)
EA + 1
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21
(rA)
5
n
0
> 0
rD,rA,rB
22
6
0
MEM(EA, 1)
0
23
7
24
D
8
25
9
533
4); nr is the number of
10
26
MPC823 Instruction Set—lswx
11
27
12
28
13
29
A
14
30
B-81
15
31
0