Filter
Top Products
OVERVIEW OF NUMERIC PROCESSING
Table
1-14.
Packed
Decimal
Encodings
Magnitude
Class
. Sign
I I I
I
...
I
digit
digit digit
digit
digit
(Largest)
0 0000000 1 0 0 1 1 0 0 1 1 0 0 1 1 o 0 1
·
..
1 0 0 1
· · ·
III
GI
· · ·
~
·
·
·
.iJj
(Smallest)
0 0000000 o 0 0 0 o 0 0 0 o 0 0 0 o 0 0 0 o 0 0 1
0
·
..
11.
Zero
0 0000000
000
0 o 0 0 0 o 0 0 0 o 0 0 0
...
o 0 0 0
Zero 1 0000000 o
000
o 0 0 0
o 0 0 0
o 0 0 0
...
o 0 0 0
III
GI
(Smallest) 1
0000000
o 0 0 0 o 0 0 0
o 0 0 0 o 0 0 0 o 0 0 1
.::
·
..
10
/
· ·
·
Dl
GI
· · · z
· · ·
(Largest) 1
0000000 1
o 0 1
1
o 0 1 1 0 0 1
1
001
1 0 0 1
Indefinite' 1
1111111
1 1 1 1 1
1 1 1
U U U
U2
U U U U U U U U
1'-1
byte--.I
......
t----------
9
bytes---------l
...
1
NOTES:
1.
The packed decimal indefinite encoding is stored by FBSTP
in
response to a masked invalid operation
exception. Attempting to
load this value via FBLD produces
an
undefined result.
2.
UUUU
means bit values are undefined
and
may contain any value.
1-30