Freescale Semiconductor MC68881 - Input Operand Conversion

8
Table 8-13. Input Operand Conversion
Dyadic Input Conversions -- Source O
Source
Destination
Normalized
Normalized
+
NAN
~erand is Byte, Word, or Long:
30 32
Not
Normalized
Zero
Infinity
28
NAN
24 26 -- 22 -- --
Unnormalized 36 38 -- 34 -- --
Zero 30 32 -- 28 -- --
Infinity 28 30 -- 26 -- --
Dyadic Input Conversions -- Source O
S°urce I Normalized
Destination
Normalized 18
)erand is Single Precision:
Not
Normalized
Zero
Infinity
NAN
36 22 24 26
Unnormalized 30 48 34 36 38
Zero 24 42 28 30 32
Infinity 22 40 26 28 30
24
NAN
42
28
30 32
Dyadic Input Conversions -- Source O
Jerand is Double Precision:
Zero Infinity NAN
Source
Not
Destination ~ Normalized Normalized
Normalized 16 34 20 22 24
Unnormalized 28 48 32 34 36
[
Zero 22 40 26 I 28 30
J
J
Iofinity 20 38 24 I 28 i
28
NAN 22 40 26
I 28 i 3o
Dyadic Input Conversions w Source O
mrand is Extended Precision:
Destination Source Not I
~_
Normalized Zero Infinity NAN
Normalized
Normalized 10 26 12 12 i 14
i
Unnormalized 22 38 24 24 t 26
Zero 16 32 18 18
Infinity 14 30 16 16
NAN 16 32 18 18
i 20
2O
FREESCALE
8-28
MC68881/MC68882 USER'S MANUAL