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    BsfByte

    Return the position of the rightmost set bit in an 8-bit value.

    Declaration

    Source position: systemh.inc line 1228

    function BsfByte(const AValue: Byte) : Byte;

    Description

    BsfByte scans the byte AValue, starting at position 0 (rightmost position) and returns the index of the first set bit. The position is measured from the 0-th, rightmost bit.

    When the input is 0, the result is 255 (unsigned equivalent of -1).

    See also

    Name Description
    BsrByte Return the position of the leftmost set bit in an 8-bit value.
    BsfWord Return the position of the rightmost set bit in a 16-bit value.
    BsfDWord Return the position of the rightmost set bit in a 32-bit value.
    BsfQWord Return the position of the rightmost set bit in a 64-bit value.