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UDF - UDS Library
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- !! UDFs Explained !!
- !! UDFs vs Subroutines !!
- !!A Quick Course on UDFs
- !!Calling UDF from Main Script
- !!Check if UDF is Defined
- !!Debugging UDFs
- !!Passing Variables in UDFs
- !!UDFs and Gotos
- !!Variables inside and outside a UDF
- Bitmask Deciphering UDF
- Content Addressable Memory
- Detlevs UDFs
- Free WinBatch Resources UDF
- Get Pixel Deluxe with Zoom
- Global Memory Status
- IsIpInRange
- Optional Parameters
- PauseCheck UDF
- RouteAdd - Create a Static Route - UDF
- Sample UDFs from Stan Littlefield
- Serial SendkeyLock UDF
- The xGlobal Extender
- TIF Page Counter
- UDF UDS Parameter Limit
- UDS and Global Variables
- User Defined Function - memory usage
- VarTypeEx to Detect Pointer Variables
- WIL Function List
- Write to a log file UDF
- Zip File Lister
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Bitmask Deciphering UDF
Keywords: bitmask deciphering listbits UDF
Question:
How do you decipher what a bitmask value is (what bits are set)?Answer:
#DefineFunction ListBits(bitmask)
bitstring = ""
bit = 1
While bitmask ;while there's still a bitmask value
If bitmask & bit ;check bit
bitstring = StrCat(bitstring, bit, @CRLF)
bitmask = bitmask & ~bit ;decrement working bitmask number by existing byte increments
Endif
bit = bit * 2 ;increment byte
EndWhile
Return (bitstring)
#EndFunction
bitmask = 10776
;bitmask = -1610612736
bitstring = ListBits(bitmask)
Message("Bits in bitmask", bitstring)
Article ID: W14985
File Created: 2001:11:08:12:41:18
Last Updated: 2001:11:08:12:41:18