Omron SYSMAC CP Series Instruction & Reference Manual page 186

2 Instructions
--/--L
Instruction
DECREMENT BINARY
DOUBLE DECREMENT
BINARY
Symbol
Applicable Program Areas
Area
Usage
Operands
Operand
--: Word
Wd
--L: First word
Operand Specifications
Area
CIO WR
Wd OK OK
Flags
Name
Error Flag
Equals Flag
Carry Flag
Negative Flag
2-150
Mnemonic Variations
-- @--
--L @--L
--
--(592)
Wd: Word
Wd
Step program areas
OK
Description
Word addresses
HR AR T C
OK OK OK OK
Label
P_ER OFF
P_EQ • ON if the result is 0000/0000 0000 after execution.
• OFF in all other cases.
P_CY • ON if a digit in Wd/Wd+1 or Wd went from 0 to F during execution.
• OFF in all other cases.
P_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 UDINT
Indirect DM addresses
DM @DM *DM
OK OK OK
Operation
CP1E CPU Unit Instructions Reference Manual(W483)
Function
--L
--L(593)
Wd: First word
Wd
Interrupt tasks
OK
Size
--L -- --L
1
Pulse
Constants CF
bits
--- --- ---
2
TR
bits
---