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Indirect adressing

Created by: wahibo at: 4/23/2012 7:48 PM (8 Replies)

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4/23/2012 7:48 PM	Rate (0)
wahibo Bronze Member Joined: 5/6/2007 Last visit: 4/29/2023 Posts: 27 Rating: (0)	hi folks ! Excuse me for my question, but have'nt understand the following: when i put E4.0=1 nothing but by putting E4.1=1 i have A6.0 =1 Why when i put E4.0=1 i have notalso A6.0=1 ? L P#E 4.0 LAR1 L P#A 5.0 LAR2 U [AR1,P#0.0] = [AR2,P#1.0] L P#E 4.1 LAR1 L P#A 4.7 LAR2 U [AR1,P#0.0] = [AR2,P#1.1] Thanks in advance

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4/23/2012 8:11 PM	Rate (0)
yy1 Gold Member Joined: 3/24/2009 Last visit: 1/5/2023 Posts: 535 Rating: (110)	Dear wahibo, the first '=' is overwritten by the second, so that it has no effect. If you remove the second '=' or use another adress, A6.0 will have the same state as E4.0. Best regards, yy1

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4/23/2012 8:15 PM	Rate (0)
Marciano Bronze Member Joined: 4/30/2007 Last visit: 3/9/2023 Posts: 231 Rating: (23)	And if you look the RLO when monitoring you can see what yy1 just explained!

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4/23/2012 8:16 PM	Rate (0)
BeVee Gold Member Joined: 7/18/2011 Last visit: 4/13/2023 Posts: 520 Rating: (88)	Hi wahibo, L P#E 4.0 LAR1 L P#A 5.0 LAR2 U [AR1,P#0.0] = [AR2,P#1.0] //This line equals = A6.0 L P#E 4.1 LAR1 L P#A 4.7 LAR2 U [AR1,P#0.0] = [AR2,P#1.1] // This line equals = A6.0 You are writing the same output twice with assignment instruction (= instruction) In that case only the last instruction will write the output. Solution1 Use temp variables and use OR instruction to assign the output just once Solution2 Replace last assignment instruction by Set (S [AR2,P#1.1] ) instruction Kind regards, BV

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4/23/2012 8:21 PM	Rate (0)
wahibo Bronze Member Joined: 5/6/2007 Last visit: 4/29/2023 Posts: 27 Rating: (0)	Folks ! Thank you for your fast answering

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This contribution was helpful to 2 thankful Users yy1 BeVee

4/23/2012 8:25 PM	Rate (0)
manmeet Gold Member Joined: 1/3/2006 Last visit: 4/21/2023 Posts: 726 Rating: (71)	In simple way its like A E 4.0 =Q 6.0 A E 4.1 = Q 6.0

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4/23/2012 11:25 PM	Rate (0)
wahibo Bronze Member Joined: 5/6/2007 Last visit: 4/29/2023 Posts: 27 Rating: (0)	Thank you MANMEET for your answer !

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4/23/2012 11:29 PM	Rate (0)
Ammy Platinum Member Joined: 4/19/2008 Last visit: 1/17/2023 Posts: 1525 Rating: (159)	wahibo Thank you MANMEET for your answer ! Hello wahibo, The Same thing in detail is explain in the Step7 Also, Open any Block (FB or FC) -> Help -> Index -> Search for Indirect Addressing You will get all the Above one in more detail.
	Ammy New for every one.............. “No duty is more urgent than that of returning thanks.” If Problem Solved......! I can't help you privately - please post in the Forums
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4/25/2012 8:30 AM	Rate (0)
Anit Kumar Posts: 153 Rating: (2)	you can take more help from attached manuals.... Attachment indirect_add.zip (58 Downloads)
Anit Kumar Posts: 153 Rating: (2)
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