Stereo System User Manual

A - 156 DSP96002 USER’S MANUAL MOTOROLA
FNEG.S Negate FNEG.S
Operation:
0 - D → ROUND(SP) → D
(parallel data bus move)
Assembler Syntax:
FNEG.S D
(move syntax - see the MOVE instruction
description.)
Description:
Subtract the destination operand D from zero, round to single precision and store the result in the destina-
tion operand D.
Input Operand(s) Precision: SEP Floating-Point.
Output Operand Precision: SP 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 -Set if result is inexact. Cleared otherwise.
DZ -Always cleared.
UNF -Set if result underflows. Cleared otherwise.
OVF -Set if result overflows. Cleared otherwise.
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.