Motorola DSP96002 - Manual (Page 771)

MOTOROLA DSP96002 USER’S MANUAL D-19
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Note 1 The xx...xx pattern for the signaling NaNs indicates any NON-ZERO bit pattern.
MOVE EXPONENT RANGE INPUT DATA TAGS MOVE MOVE
IN (UNBIASED) OUT OUT
TYPE U V TYPE RESULT
SP e= 128 signaling NaN (SNAN) 0 0 SP CORRECT
Fraction= written as DP SNAN
.0xx...xx read as SNAN (see Note 1) DP CORRECT
SP e= 128 non signaling NaN (QNAN) 0 0 SP CORRECT
Fraction= written as DP QNAN
.1xx...xx read as QNAN (see Note 2) DP CORRECT
SP e= 128 infinity in SP 0 0 SP CORRECT
Fraction= written as DP infinity
.000...00 read as infinity (all formats) DP CORRECT
SP -127<e< 128 normalized (all formats) 0 0 SP CORRECT
DP CORRECT
SP -150<e<-126 denormalized in SP 1 0 SP CORRECT
DP WRONG
DP e= 1024 signaling NaN (SNAN) 0 0 SP CORRECT
Fraction= written as DP SNAN
.0xx...xx read as SNAN (see Notes 1,3) DP CORRECT
DP e= 1024 non signaling NaN (QNAN) 0 0 SP CORRECT
Fraction= written as DP QNAN
.1xx...xx read as QNAN (see Note 2) DP CORRECT
DP e= 1024 infinity in SP 0 0 SP CORRECT
Fraction= written as DP infinity
.000...00 read as infinity (all formats) DP CORRECT
DP -127<e< 1024 no SP representation 0 0 SP WRONG
normalized in DP/SEP
DP CORRECT
DP -127<e< 128 normalized (all formats) 0 0 SP TRUNC
DP CORRECT
DP -150<e<-126 denormalized in SP 0 0 SP WRONG
normalized in DP/SEP
DP CORRECT
DP -1023<e<-149 no SP representation 0 0 SP WRONG
normalized in DP/SEP
DP CORRECT
DP -1054<e<-1022 denormalized (in DP/SEP) 0 1 SP WRONG
DP CORRECT
Figure C- 1. Floating-Point Moves Summary