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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>That looks great. I’ll give it a try! Thank you very much for the suggestion and the example<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> fpc-pascal-bounces@lists.freepascal.org [mailto:fpc-pascal-bounces@lists.freepascal.org] <b>On Behalf Of </b>Dmitry Boyarintsev<br><b>Sent:</b> Tuesday, July 26, 2016 11:45 AM<br><b>To:</b> FPC-Pascal users discussions <fpc-pascal@lists.freepascal.org><br><b>Subject:</b> Re: [fpc-pascal] Microsecond Delay Suggestions?<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal>On Tue, Jul 26, 2016 at 11:21 AM, Dmitry Boyarintsev <<a href="mailto:skalogryz.lists@gmail.com" target="_blank">skalogryz.lists@gmail.com</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal style='margin-bottom:12.0pt'>Maybe you want to look into QueryPerformanceCounter.<br><a href="https://msdn.microsoft.com/en-us/library/windows/desktop/ms644904%28v=vs.85%29.aspx" target="_blank">https://msdn.microsoft.com/en-us/library/windows/desktop/ms644904(v=vs.85).aspx</a><o:p></o:p></p></div></div></blockquote><div><p class=MsoNormal>Here's an example:<br><br>{$mode objfpc}{$H+}<br><br>uses<br> Windows;<br><br>const<br> MSInSec = 1000;<br> MCInSec = MSInSec * 1000;<br> NSInSec = MCInSec * 1000;<br><br>function LargeLoop: Integer;<br>var<br> i : integer;<br>begin<br> Result:=0;<br> for i:=0 to 1000 do<br> inc(Result);<br> //or you can verify Sleep(milliseconds)<br> //Sleep(100);<br>end;<br><br>var<br> fr : TLargeInteger;<br> ct : TLargeInteger;<br> af : TLargeInteger;<br> d : double;<br> diff : TLargeInteger;<br>begin<br> QueryPerformanceFrequency(fr);<br> writeln('Frequency: ' ,fr);<br> d:=(1/fr) * NSInSec;<br> writeln('Freq in Time: ', d:0:0, ' ns (roughly)');<br> QueryPerformanceCounter(ct);<br> LargeLoop;<br> QueryPerformanceCounter(af);<br> diff := af - ct;<br> writeln('Loop:');<br> writeln(' Ticks: ', diff);<br> writeln(' Time: ', ((diff/fr) * NSInSec):0:0,' ns' );<br> writeln(' ', ((diff/fr) * MCInSec):0:6,' mcs' );<br> writeln(' ', ((diff/fr) * MSInSec):0:6,' ms' );<br>end.<br><br> <o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></body></html>