Com Ports in Delph 3

I have recently upgraded to Delphi 3 and find that I am unable to compile a Delphi 1 program which sent a phone
number to the com port.
As I am a beginner, could someone show me how to do the same in Delphi 3
kennysAsked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Johann091297Commented:
if u used the port[xxx]:=? to access the com port, u cant anymore since this function is obsolete from delphi 2.0, here is a replica of the port function- just use getport and setport;

instead of: port[888]:=10; use: setport(888,10);
instead of: i:=port[888]; use: i:=getport(888);

procedure setport(index:word;const value:byte);assembler;
  asm
    mov al,value
    mov dx,index
    out dx,al
  end;


function getport(index:word):byte;assembler;
  asm
    mov dx,index
    in al,dx
    mov result,al
  end;

0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
kennysAuthor Commented:
I thank you for your help sofar but need more !!


My modem is on com port 2 so I assume I use
setport(2,xx) to set the port to 2.

What is the second parameter(xx) for in setport.

Can you show me how to send a number to com port 2

Do I need to close the port and if so, how.

In the Delphi 1 program I used the following:-

 begin
   CloseComm(ComID);
   StrPCopy(Prt2, Prt);
   ComID := OpenComm(Prt2, 1024, 2048);
   dialed:=s;
   
   Vol = Volume D = TP =pulse dialing
   DialString := 'ATM2' + Vol + 'D' + TP + S + ',,' + ^M^J;
   StrPCopy(Send, DialString);
   if WriteComm(ComID, Send, StrLen(Send)) >= 0 then
   begin

    ShowMessage('          Dialing ' + S + #13 + #13');

    DialString := 'ATH' + ^M^J;
    startt:=timetostr(time);
    StrPCopy(Send, DialString);
 
    WriteComm(ComID, Send, StrLen(Send));

   end;
0
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Pascal

From novice to tech pro — start learning today.

Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.