CBL_XOR Details (↑ Logic Operator Routines)
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Description:
The routine starts at the left-hand end of source and target and
exclusive-ORs the bits together, storing the result in target. The
truth table for this is:
source target result
0 0 0
0 1 1
1 0 1
1 1 0
See also: ◄Introduction to logic routines►
Parameters on Entry:
source One of the data items to exclusive-OR.
target The other data item to exclusive-OR.
length The number of bytes of source and target
to exclusive-OR. Positions in target
beyond this are unchanged.
Parameters on Exit:
target The result.
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