320
Increment/Decrement Instructions Section 3-9
3-9 Increment/Decrement Instructions
This section describes instructions used to increment data.
3-9-1 INCREMENT BINARY: ++(590)
Purpose Increments the 4-digit hexadecimal content of the specified word by 1.
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
Instruction Mnemonic Function
code
Page
INCREMENT BINARY ++ 590 320
DOUBLE INCREMENT BINARY ++L 591 322
DECREMENT BINARY – – 592 324
DOUBLE DECREMENT BINARY – –L 593 326
INCREMENT BCD ++B 594 328
DOUBLE INCREMENT BCD ++BL 595 330
DECREMENT BCD – –B 596 332
DOUBLE DECREMENT BCD – –BL 597 334
++(590)
Wd
Wd: Word
Variations Executed Each Cycle for ON Condition ++(590)
Executed Once for Upward Differentiation @++(590)
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification Not supported
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK
Area Wd
CIO Area CIO 0 to CIO 6143
Work Area W0 to W511
Holding Bit Area H0 to H511
Auxiliary Bit Area A448 to A959
Timer Area T0000 to T4095
Counter Area C0000 to C4095
DM Area D0 to D32767
Indirect DM addresses
in binary
@ D0 to @ D32767
Indirect DM addresses
in BCD
*D0 to *D32767
Constants ---
Data Registers DR0 to DR15
To Next Page
Loading...
