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DELAY.INC
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1989-06-02
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802b
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33 lines
(*
* Copyright 1987, 1989 Samuel H. Smith; All rights reserved
*
* This is a component of the ProDoor System.
* Do not distribute modified versions without my permission.
* Do not remove or alter this notice or any other copyright notice.
* If you use this in your own program you must distribute source code.
* Do not use any of this in a commercial product.
*
*)
procedure delay(ms: longint);
(* delay for a specified number of miliseconds; give up time while
delaying *)
var
finish: longint;
start: longint;
now: longint;
begin
start := lget_ms;
finish := start + ms;
repeat
give_up_time;
now := lget_ms;
until (now > finish) or {time elapsed}
(now < start); {midnight rolover!}
end;