[DUG] Controlling PC Hardware Ports

[Rohit Gupta]

If you are still persuing this, as mentioned,, you need to use ioport.  
check out this website

http://www.winsoft.sk/

I had to use it to write a threaded spooler for legacy, expensive serial 
printers.


Colin/Mina wrote:
> Hi,
>  
>   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.
>  
>   Unfortunately the old Turbo Pascal instructions that allowed this, eg
>                 Port[$2FC] := 2)                // Set b2 of Modem 
> Register and
>                 Port[$2FC] := NOT 2)        // Clear b2 of Modem Register
>  
>      but these don't appear to be available in Delphi (not in D5 anyway).
>  
>   Any solutions please?
>  
> Thanks
>  
>      Colin
>
>
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