Abacus
+
Service Manual
rev 1.09
93
Note 1:
WORD data format is stored back to front.
E.g. Decimal value
13553
Hexadecimal value
34 F1
Stored as:
F1 34
Note 2:
DateTime type is a packed binary format.
It contains YEAR-MONTH-DAY-hour-minute in the following format:
YYYYYYYYYYYY MMMM DDDDD hhhhh mmmmmm
e.g.:
11/27/2005, 13:37 is stored as:
2005
in binary on 12 bits is:
0111 1101 0101
11
in binary on 4 bits is:
1011
27
in binary on 4 bits is:
1 1011
13
in binary on 5 bits is:
0 1101
37
in binary on 6 bits is:
10 0101
Concatenating these we get:
0111 1101 0101 1011 1101 1011 0110 0101
In hexadecimal these become: 7D 5B DB 65, and gets stored back-to-front
It is stored as:
65 DB 5B 7D
Note 3:
Character strings are stored in character arrays, space not u
sed within a string is always filled with 0‟s:
String to store:
George
Gets stored on 20 chracters as:
„G‟ „e‟ „o‟ „r‟ „g‟ „e‟ 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Note 4:
Sex is decoded as:
Sex = 0
Not specified
Sex = 1
Male
Sex = 2
Female
Note 5:
Float numbers are stored on 4 bytes, according to the IEEE 745 standard
Note 6:
Vetmode stores the internal database identifier for the record. It is of no importance here.
Note 7:
Histogram representation. Each histogram is stored in an array of 256 bytes. Each byte represents the
histogram value at the given point, as a value from 0 to 255.
PLTlo
– lowest PLT volume. Actual volume: PLTlo x 50 fl / 256
PLThi
– highest PLT volume. Actual volume: PLThi x 50 fl / 256
RBClo
– lowest RBC volume. Actual volume: RBClo x 200 fl / 256
WBClo
– lowest WBC volume. Actual volume: WBClo x 400 fl / 256
LYMhi
– highest LYM volume. Actual volume: LYMhi x 400 fl / 256
GRAlo
– lowest GRA volume. Actual volume: GRAlo x 400 fl / 256
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