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"&" "|" operators in C action script

2/27/2009 10:49 AM	Rate (0)
P.C. Posts: 23 Rating: (1)	Hey guys, I am notfully understanding thefollowing C action script: { #define TAG_0 "2M01AB" //2M01AB ismy tag name DWORD Valve; BOOL Ready; Valve = GetTagWordWait(TAG_0); Ready = Valve & 8; //In this case,what will be the value of "Ready" and what is the function of '&' here? What if I replace it with '\|' here? Any help will be appreciated. Thank you.
P.C. Posts: 23 Rating: (1)	Last edited by: P.C. at: 2/27/2009 10:52 AM
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2/27/2009 11:08 AM	Rate (0)
RoH@ Posts: 14 Rating: (2)	Hello! & means bitwise AND, the value of ready will either TRUE or FALSE depending on the state of your tag. /Robert
RoH@ Posts: 14 Rating: (2)
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2/27/2009 11:19 AM	Rate (0)
CBo Gold Member Joined: 4/5/2006 Last visit: 10/10/2024 Posts: 917 Rating: (63)	Hi P.C., P.C. ... Ready = Valve & 8; ... value 8 deciaml is "0000 0000 0000 1000" in binary Ready will be TRUE if "Valve" value will be "xxxx xxxx xxxx 1xxx", Ready will be FALSE if "Valve" value will be "xxxx xxxx xxxx 0xxx" This instruction is for test status bit into word (maybe to know Valve is AUTO/MAN mode) Regards

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This contribution was helpful to 1 thankful Users Phantom75

2/27/2009 11:19 AM	Rate (0)
Sydney Gold Member Joined: 1/4/2008 Last visit: 9/26/2024 Posts: 703 Rating: (96)	Hello, look in this thread: /tf/WW/en/Posts/25631 Phantom75 has attached the table with operators and their meaning. Regards Sydney
	Last edited by: Sydney at: 2/27/2009 11:25 AM
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This contribution was helpful to 1 thankful Users Phantom75

2/27/2009 3:17 PM	Rate (0)
P.C. Posts: 23 Rating: (1)	Hey guys, Thank you all for your prompt replies. They are very helpful. Best regards, P.C.
P.C. Posts: 23 Rating: (1)
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2/27/2009 3:30 PM	Rate (0)
P.C. Posts: 23 Rating: (1)	Hi CBo, This is P.C. Thank you for replying my thread. Ijust wantto make sure with you again. So if the value of the tag'Valve'is 1111 1111 1111 1111 instead, Ready = Valve & 8 will stillequal to 1, is that correct? I mean, the function Ready = Valve & 8will only care about bit 4's status, right? Thank you and sry for taking your time again. Best regards, P.C.
P.C. Posts: 23 Rating: (1)
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2/27/2009 4:23 PM	Rate (0)
CBo Gold Member Joined: 4/5/2006 Last visit: 10/10/2024 Posts: 917 Rating: (63)	yesss... Regards

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