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Back to article list Search Articles Add Comment Printer friendly Direct link Par2: Bit manipulation (BAND) 2000-12-20 -- Tom Leech Some time ago I wrote a little function that given the mask and the
particular bit position you wanted to check, the function returns true if a
1 is in that bit or false if its 0.
CompareMask PROCEDURE (msk,indx)
ReturnValue Byte
MIndex long
CODE
MIndex = Bshift(1,Indx-1) ! Shift a 1 into the proper
position (base 0)
if Band(msk,MIndex) = Mindex ! If in mask and equals Mindex then
TRUE
ReturnValue = TRUE
else
ReturnValue = FALSE
end
Today is November 21, 2024, 6:39 am This article has been viewed 35212 times.
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