File: outport.pas

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{ This example demonstrates the use of the outport functions.

It simply turns the PC's internal speaker on for 50 ms and off again
}
uses
	crt,
	go32;

begin
	{ turn on speaker }
	outportb($61, $ff);
	{ wait a little bit }
	delay(50);
	{ turn it off again }
	outportb($61, $0);
end.