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If you are still persuing this, as mentioned,, you need to use ioport.
check out this website<br>
<br>
<a class="moz-txt-link-freetext" href="http://www.winsoft.sk/">http://www.winsoft.sk/</a><br>
<br>
I had to use it to write a threaded spooler for legacy, expensive
serial printers.<br>
<br>
<br>
Colin/Mina wrote:
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<div><font face="Arial" size="2">Hi,</font></div>
<div> </div>
<div><font face="Arial" size="2"> I want to monitor some code to
ensure that I have some timing correct. I was hoping to hook my
oscilloscope to a readily available electrical signal (Such as Serial
Port RTS) and to add instructions in my code to set and clear the
appropriate modem port.</font></div>
<div> </div>
<div><font face="Arial" size="2"> Unfortunately the old Turbo Pascal
instructions that allowed this, eg </font></div>
<div><font face="Arial" size="2"> Port[$2FC] := 2)
// Set b2 of Modem Register and </font></div>
<div><font face="Arial" size="2"> Port[$2FC] := NOT
2) // Clear b2 of Modem Register </font></div>
<div> </div>
<div><font face="Arial" size="2"> but these don't appear to be
available in Delphi (not in D5 anyway).</font></div>
<div> </div>
<div><font face="Arial" size="2"> Any solutions please?</font></div>
<div> </div>
<div><font face="Arial" size="2">Thanks</font></div>
<div> </div>
<div><font face="Arial" size="2"> Colin</font></div>
<br>
<br>
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