Motorola DSP96002 User Manual page 746

ROUND EXPONENT RANGE
TO BEFORE ROUND
(UNBIASED)
SP NaN operand or
invalid op
SP 127<E
SP 127<E< 128
SP -150 E
SP E
SEP NaN operand or
invalid op
SEP 1023<E
SEP 127<E< 1024
SEP -127<E< 128
SEP -150< e < -126
SEP -1023< e < -149 zero in SP
SEP -1054< e< -1022 zero in SP
SEP e< -1053 zero in SP
Figure C-16. Data ALU Results/Move Compatibility Summary
MOTOROLA
DATA ALU OPERATION
RESULT
non signaling NaN (QNAN)
written as DP
e=7FF mantissa=1.11...11
infinity (overflow)
written as DP
e=7FF mantissa=1.00...00
normalized (all formats)
126 denormalized ( in SP)
149 zero (underflow)
non signaling NaN (QNAN)
written as DP
e=7FF mantissa=1.11...11
infinity in SP and SEP
written as DP
e=7FF mantissa=1.00...00
infinity in SP
normalized in SEP
normalized (all formats)
denormalized
normalized in SEP
normalized in SEP
denormalized in SEP
zero in SEP (underflow)
DSP96002 USER'S MANUAL
TAGS
U V
0 0
QNAN
0 0
infinity
0 0
1 0
0 0
0 0
QNAN
0 0
infinity
0 0
0 0
in SP 0 0
0 0
0 1
0 0
MOVE MOVE OUT
OUT RESULT
TYPE
SP CORRECT
DP CORRECT
SP CORRECT
DP CORRECT
SP CORRECT
DP CORRECT
SP CORRECT
DP WRONG
SP CORRECT
DP CORRECT
SP CORRECT
DP CORRECT
SP CORRECT
DP CORRECT
SP WRONG
DP CORRECT
SP TRUNC
DP CORRECT
SP WRONG
DP CORRECT
SP WRONG
DP CORRECT
SP WRONG
DP CORRECT
SP CORRECT
DP CORRECT
C-23