Created Date: March 11,2011

Created by: bcarlton

A FOR/NEXT loop would have fewer instructions but take more time.

Three Pointers. Double increment each one after each pass through the loop.

LDA O1400

OUT V2000

LDA O2400

OUT V2001

LDA O4400

OUT V2002

FOR K24

LDR P2000

ADDR P2001

OUTD P2002

INCB V2000

INCB V2000

INCB V2001

INCB V2001

INCB V2002

INCB V2002

NEXT

Created Date: March 11,2011

Created by: Do-more PE

The easy way to do this is by using pointers.

A word of warning with using for/next loops; it is very easy to trip the watchdog timer if the loop is very big.

PLC 06

// Rung 1

// Address 0

#BEGIN COMMENT

"Initialize the pointers "

#END

STR SP1

LDA O1400

OUT V5000

LDA O2400

OUT V5001

LDA O4400

OUT V5002

// Rung 2

// Address 7

#BEGIN COMMENT

"Execute the loop 24 times. "

#END

STR SP1

FOR K24

// Rung 3

// Address 10

STR SP1

LDR P5000

ADDR P5001

OUTD P5002

// Rung 4

// Address 14

#BEGIN COMMENT

"Add 2 to every address to account for double word instructions. (LDR, ADDR, OUTD) "

#END

STR SP1

INCB V5000

INCB V5000

INCB V5001

INCB V5001

INCB V5002

INCB V5002

// Rung 5

// Address 27

NEXT

// Rung 6

// Address 28

END

// Rung 7

// Address 29

NOP

// Rung 8

// Address 30

NOP

#BEGIN ELEMENT_DOC

"V5000 ", " ", " ", "Pointer for LDR "

"V5001 ", " ", " ", "Pointer for ADDR "

"V5002 ", " ", " ", "Pointer for OUTD "

"P5000 ", " ", " ", "Pointer for LDR "

"P5001 ", " ", " ", "Pointer for ADDR "

"P5002 ", " ", " ", "Pointer for OUTD "

#END

Edit: And Bernie beats me to the punch yet again. :)

Created Date: March 11,2011

Created by: timjan2005

Currently I do the following:

LDR V1400

ADDR V2400

OUTD V4400

I'm having to do this for 24 different location every second.

LD:

v1400

v1402

v1404...ect

ADDR:

v2400

v2402

v2404...ect

OUTD:

v4400

v4402

v4404...ect

Just wondering if there was a way to use the MOV instruction and move

all 24 locations, with their ADDR, to their destinations in one rung?