Stereo System User Manual

A - 158 DSP96002 USER’S MANUAL MOTOROLA
FNEG.X Negate FNEG.X
Operation:
0 - D → D (parallel data bus move)
Assembler Syntax:
FNEG.X D
(move syntax - see the MOVE instruction descrip-
tion.)
Description:
Subtract the destination operand D from zero and store the result in the destination operand D.
Input Operand(s) Precision: SEP Floating-Point.
Output Operand Precision: SEP Floating-Point.
CCR Condition Codes:
C - Not affected.
V - Not affected.
Z - Set if result is zero. Cleared otherwise.
N - Set if result is negative. Cleared otherwise.
I - Set if result is infinity. Cleared otherwise.
LR - Not affected.
–
R - Not affected.
A - Not affected.
ER Status Bits:
INX -Always cleared.
DZ -Always cleared.
UNF -Always cleared.
OVF -Always cleared.
OPERR-Always cleared.
SNAN -Set if operand is a signaling NaN. Cleared otherwise.
NAN -Set if result is a NaN. Cleared otherwise.
UNCC -Always cleared.
IER Flags: Flags changed according to standard definition.
Instruction Format: FNEG.X D (move syntax - see the MOVE instruction description.)
10 0001 uu00 0ddd
31 14 13 0
OPTIONAL EFFECTIVE ADDRESS EXTENSION OR IMMEDIATE LONG DATA
DATA BUS MOVE FIELD