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--/--L
Instruction
DECREMENT BINARY
DOUBLE DECREMENT
BINARY
Symbol
Applicable Program Areas
Function block
Area
definitions
Usage
OK
Operands
Operand
--: Word
Wd
--L: First word
Operand Specifications
Word addresses
Area
CIO
WR
HR
--
Wd
OK
OK
OK
--L
Wd
Flags
Name
Error Flag
Equals Flag
Carry Flag
Negative Flag
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Mnemonic
Variations
--
@--
--L
@--L
--
- -(592)
Wd: Word
Wd
Block program areas
Step program areas
OK
OK
Description
Indirect DM/EM
@DM
AR
T
C
DM
EM
@EM
OK
OK
OK
OK
OK
OK
Label
ER
OFF
=
• ON if the result is 0000/0000 0000 after execution.
• OFF in all other cases.
CY
• ON if a digit in Wd/Wd+1 or Wd went from 0 to F during execution.
• OFF in all other cases.
N
• ON if bit 15 of Wd/Wd+1 is ON after execution.
• OFF in all other cases.
Function
code
Decrements the 4-digit hexadecimal content of the
592
specified word by 1.
Decrements the 8-digit hexadecimal content of the
593
specified words by 1.
Subroutines
OK
Data type
--
UINT
Registers
addresses
Con-
stants
*DM
DR
*EM
OK
OK
---
---
Operation
3. Instructions
Function
--L
- -L(593)
Wd: First word
Wd
SFC action or
Interrupt tasks
transition programs
OK
OK
Size
--L
--
UDINT
1
Flags
Pulse
bits
Indirect
IR
TK
CF
using IR
---
OK
---
---
---
OK
3
--L
2
TR
bits
---
333
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