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6-34
B+(P),B-(P)
6.2.5 BCD 4-digit addition and subtraction operations (B+(P),B-(P))
B+(P),B-(P)
B+(P), B-(P)
When two data are set ( + , - )
Function
B+
(1) Adds the BCD 4-digit data designated by and the BCD 4-digit data designated by , and
stores the result of the addition at the device designated by .
(2) 0 to 9999 (BCD 4 digits) can be assigned to and .
(3) If the result of the addition operation exceeds 9999, the higher bits are ignored.
The carry flag in this case does not go ON.
B-
(1) Subtracts the BCD 4-digit data designated by and the BCD 4-digit data designated by ,
and stores the result of the subtraction at the device designated by .
(2) 0 to 9999 (BCD 4 digits) can be assigned to and .
: Data for adding/subtracting or head number of the devices where the data for adding/subtracting is stored
(BCD 4 digits)
:
Head number of the devices where the data to be added to/subtracted from is stored (BCD 4 digits)
Setting
Data
Internal Devices
R, ZR
J\
U\G
Zn
Constants
K, H
Other
Bit Word Bit Word
––
–– ––
Basic
Process
High
performance
Redundant
Universal
D
S
D D
S
D
Command
Command
P
B+/
B
B+, B
B+P, B
P
S D
S D
indicates an instruction symbol of .
S
D
S
D
D
S
D
961221346578
D S D
S
D
4632
00155383
S
D
D
Digits exceeding the designated
number of digits are assumed to be 0.
404420346078
D D
S
S
D