Motorola DSP56000 Manual page 434

24-bit digital signal processor
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I
Example:
:
ABS B #$18,R1
:
Before Execution
R1
Explanation of Example: Prior to execution, the 16-bit address register R1 contains the
value $0000. The execution of the parallel move portion of the instruction, #$18,R1,
moves the 8-bit immediate short operand into the eight LS bits of the R1 register and
zeros the remaining eight MS bits of that register. The 8-bit value is interpreted as an
unsigned integer since its destination is the R1 address register.
MOTOROLA
INSTRUCTION DESCRIPTIONS
Immediate Short Data Move
;take absolute value of B, #$18 R1
$0000
INSTRUCTION SET DETAILS
After Execution
R1
$0018
I
A - 165

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