[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'System' (#rtl)

BsfByte

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

Declaration

Source position: systemh.inc line 1090

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

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


Documentation generated on: Jun 22 2020