function BinB(b: Byte): string; var s: string;
i: word; begin s := ''; for i := 7 downto 0 do
if (b and (1 shl i)) > 0 then s := s + '1' else s := s + '0';
BinB := s; end;
function BinW(w: Word): string; var s: string;
i: word; begin s := ''; for i := 15 downto 0 do
if (w and (1 shl i)) > 0 then s := s + '1' else s := s + '0';
BinW := s; end;
function BinL(l: Longint): string; var HL: HiLo absolute l; begin BinL := BinW(HL.HiWord) + BinW(HL.LoWord); end;