[next] [prev] [prev-tail] [tail] [up]

Swap

Declaration:
Function Swap (X) : Type of X;
Description:
Swap swaps the high and low order bytes of X if X is of type Word or Integer, or swaps the high and low order words of X if X is of type Longint or Cardinal. The return type is the type of X
Errors:
None.
See also:
Lo (529), Hi (510)

Listing: refex/ex69.pp

Program Example69;

{ Program to demonstrate the Swap function. }
Var W : Word;
    L : Longint;

begin
  W:=$1234;
  W:=Swap(W);
  if W<>$3412 then
    writeln ('Error when swapping word !');
  L:=$12345678;
  L:=Swap(L);
  if L<>$56781234 then
    writeln ('Error when swapping Longint !');
end.

[next] [prev] [prev-tail] [front] [up]