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S5 indirect adressing

Created by: Moguez at: 2/22/2006 1:17 PM (1 Replies)

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2/22/2006 1:17 PM	Rate (0)
Moguez Posts: 1 Rating: (0)	How can i use indirect adressing in S5? i would transfer some bytes to a variable adress depending on a value. easy questions, tough answer[:D]
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2/28/2006 9:08 PM	Rate (1)
Late Platinum Expert Joined: 1/7/2006 Last visit: 11/17/2023 Posts: 2705 Rating: (318)	Hi Moguez, For the little ones you may work with DO: (in German "B" for Bearbeiten) L FW 100 Value to write in FW(FW 102) DO FW 102 T FW 0 [8)] Those commands will work for almost every S5 CPU. For example: FW 100 is loaded with 12, FW 102 is loaded with 104, then FW104=12 when this code is running, the contents of FW102 are OR-ed with the "T FW 0". For the S5-135U / CPU 928A/B you can use windowing commands with OB180, when you have opened a DB then it is possible to lay a window over the DB and easily add a number for example in a loop to the offset thats already stored; C DB x L KF 01000 JU OB180 [;)] With the bigger onces, the CPU948 you may use a MBR-Register to do some things relativ in the memory. And so on, but first of all is the question which CPU do you have? [:P] Best regards, Late
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
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