home *** CD-ROM | disk | FTP | other *** search
- {
- TOM MOORE
-
- > In a PASCAL-Program I want to execute a Procedure every time the
- > user presses a key... Fairly easy, right ? But here comes the
- > problem : I want to Repeat that Procedure Until he RELEASES that
- > key...
- }
-
- Uses
- Crt;
- Const
- Done : Boolean = False;
- Var
- Ch : Char;
-
-
- Procedure MakeSound;
- begin
- if Port[$60] < $80 then
- begin
- Sound(220);
- Delay(100);
- end;
- if port[$60] > $80 then
- NoSound;
- end;
-
- begin
- Repeat
- Repeat
- { While waiting For KeyPressed }
- Until KeyPressed;
-
- ch := ReadKey;
- if ch = #27 then halt;
- makeSound;
- Until Done;
- end.