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Pointer to static area in instance db and pointer to inout area in fc

Created by: Pko at: 9/3/2008 11:16 AM (2 Replies)

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9/3/2008 11:16 AM	Rate (0)
Pko Posts: 1 Rating: (0)	How canI set a pointer to the static area in a instance DB. and how canI set a pointer to inout area in an FC block
Pko Posts: 1 Rating: (0)
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9/3/2008 12:52 PM	Rate (0)
Olof123 Posts: 7 Rating: (1)	This works fine for me if I wanna get a pointer to the static area: In NW1: ************************************************************************************* // Calculate Stat Area Offset TAR2 SRD 3 L DW#16#FFFF // Mask Out Offset AD T #STAT_OFFSET *********************************************************************************** To get the pointer: *********************************************************************************** L p##stat_var // Name of the stat variable L #STAT_OFFSET +D SLD3 LAR1 ************************************************************************************* When u access an IN/OUT variable the AR1 pointer is affected and points out the data area parameterisedat the function call. So i guess it's not possible to get a pointer tothe inout area. Or is it??? kunde inte låta bli... /Olof
Olof123 Posts: 7 Rating: (1)
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9/3/2008 2:30 PM	Rate (0)
Aret Posts: 2348 Rating: (264)	I supose you have arrays in FB's stat variables and in FC's inout. 1. For FC (and ONLY for FC) you can use AR2 freely 2. You can load P##Inout_variable to get pointer to IO parameters.
Aret Posts: 2348 Rating: (264)
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