BsfDWord
Return the position of the rightmost set bit in a 32-bit value
Declaration
Source position: systemh.inc line 1193
function BsfDWord(const AValue: DWord) : Cardinal;
Description
BsfDWord scans the DWord 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 |
|---|---|
| BsfByte | Return the position of the rightmost set bit in an 8-bit value |
| BsfQWord | Return the position of the rightmost set bit in a 64-bit value |
| BsfWord | Return the position of the rightmost set bit in a 16-bit value |
| BsrDWord | Return the position of the leftmost set bit in a 32-bit value |