mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 1253
mpc823rg
Manufacturer Part Number
mpc823rg
Description
Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC823RG.pdf
(1348 pages)
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MPC823 Instruction Set—mtcrf
mtcrf
Assembler Syntax
Definition
Operation
Description
FIELD
FIELD
BIT
BIT
16
0
17
1
CRM
18
2
Freescale Semiconductor, Inc.
31
For More Information On This Product,
19
3
CR
control of the field mask specified by CRM. The field mask
identifies the 4-bit fields affected. Let i be an integer in the range
0–7. If CRM(i) = 1, CR field i (CR bits 4 i through 4 i + 3) is set
to the contents of the corresponding field of rS.
Note that updating a subset of the eight fields of the condition
register may have substantially poorer performance on some
implementations than updating all of the fields.
Other registers altered:
Simplified mnemonics:
mtcr rS
mtcrf
Move to Condition Register Fields
mask
The contents of rS are placed into the condition register under
POWERPC ARCHITECTURE
20
MPC823 REFERENCE MANUAL
4
0
(rS & mask) | (CR & ¬ mask)
CR fields selected by mask
Go to: www.freescale.com
21
(4)(CRM[0]) || (4)(CRM[1]) ||... (4)(CRM[7])
5
LEVEL
UISA
CRM,rS
equivalent to
22
6
23
7
24
S
8
25
9
SUPERVISOR
144
LEVEL
mtcrf 0xFF,rS
10
26
11
27
0
OPTIONAL
12
28
13
29
CRM
MOTOROLA
14
30
FORM
XFX
15
31
0
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