Stereo System User Manual

MOTOROLA DSP96002 USER’S MANUAL A - 19
ABS Absolute Value ABS
Instruction Fields:
(u u)
Dddd
Dn.L n n n where nnn = 0-7
Timing: 2 + mv oscillator clock cycles
Memory: 1 + mv program words
DATA BUS MOVE FIELD 10 0100 uu11 1ddd
31 14 13 0
OPTIONAL EFFECTIVE ADDRESS EXTENSION OR IMMEDIATE LONG DATA
Operation:
|-D.L| → D.L (parallel data bus move)
Description:
Take the absolute value of the destination operand low portion and store the result in the low portion of D.
Input Operand(s) Precision: 32-bit integer.
Output Operand Precision: 32-bit integer.
CCR Condition Codes:
C - Not affected.
V - Set if result overflows. Cleared otherwise.
Z - Set if result is zero. Cleared otherwise.
N - Set if result is negative. Cleared otherwise.
I - Not affected.
LR - Not affected.
–
R - Not affected.
A - Not affected.
ER Status Bits: Not affected.
IER Flags: Not affected.
Instruction Format: ABS D (move syntax - see the MOVE instruction description. )
Assembler Syntax:
ABS D (move syntax - see the MOVE instruction de-
scription. )