dsp56000 Freescale Semiconductor, Inc, dsp56000 Datasheet - Page 336

• Manufacturer Part Number: dsp56000
• Description: 24-bit Digital Signal Processor Family Manual
• Manufacturer: Freescale Semiconductor, Inc

Operation:
Description: Clear the destination accumulator. This is a 56-bit clear instruction.
Example:
Explanation of Example: Prior to execution, the 56-bit A accumulator contains the
value $12:345678:9ABCDE. The execution of the CLR A instruction clears the 56-bit A
accumulator to zero.
Condition Codes:
S — Computed according to the definition in A.5 CONDITION CODE COMPUTATION
L — Set if data limiting has occurred during parallel move
E — Always cleared
U — Always set
N — Always cleared
Z— Always set
V — Always cleared
A - 70
CLR
0
CLR A
D (parallel move)
A
15
LF
:
:
DM
14
$12:345678:9ABCDE
#$7F,N
Before Execution
13
T
Freescale Semiconductor, Inc.
**
12
For More Information On This Product,
MR
INSTRUCTION DESCRIPTIONS
S1
11
INSTRUCTION SET DETAILS
S0
10
Go to: www.freescale.com
Clear Accumulator
I1
9
;clear A, set up N0 addr. reg.
I0
8
S
7
Assembler Syntax:
A
L
6
CLR D (parallel move)
E
5
$00:000000:000000
After Execution
U
4
CCR
N
3
Z
2
V
1
C
0
MOTOROLA
CLR