Terminal Serial Port \ VOGONS

Terminal Serial Port

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First post, by ik8ozv

Posted on 2021-02-14, 17:53

ik8ozv Offline

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Hi Folks,
i am trying to run a dos terminal program under DosBox but i get an issue.
When i load the terminal and set the parameters for the serial port,
if i just switch OFF and ON the TNC i always get the cmd prompt but if i try to digit anything,
i do not get the cmd back it is like it is blocked and also if i try to switch OFF and ON again i do not
see anything more on the display until i discharge and re load the program again.
Please any help to solve the issue?
Thanks
Enzo

Reply 1 of 9, by Jorpho

Posted on 2021-02-14, 20:11

Jorpho Offline

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I don't understand half your post. What is a "TNC"?

As discussed the last time you were here, if you are using a USB to serial connector, then that may be the cause of your problem.
Serial Port

Reply 2 of 9, by ik8ozv

Posted on 2021-02-14, 20:26

ik8ozv Offline

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Hello,
thanks for your reply.
TNC is a Terminal Node Controller and it communicate with the PC through Serial Ports.

It is not a USB to serial connector but a real serial COM1
Thanks
Enzo

Reply 3 of 9, by Jorpho

Posted on 2021-02-14, 20:39

Jorpho Offline

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I still don't understand what you are trying to do.

Can you communicate with this device with a standard Windows terminal program?

Reply 4 of 9, by ik8ozv

Posted on 2021-02-14, 20:53

ik8ozv Offline

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Yes i can. Using Putty

This is a list of commands of the TNC that i get when i give the "Disp" command which means display all commands available

Reply 5 of 9, by Jorpho

Posted on 2021-02-15, 00:36

Jorpho Offline

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Okay. And what line are you using in your DOSBox.conf for your serial port?

Are you using the latest DOSBox 0.74-3?

Reply 6 of 9, by ik8ozv

Posted on 2021-02-15, 07:32

ik8ozv Offline

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In the .conf file i have used:

serial1=directserial realport:COM1
serial2=directserial realport:COM2
serial3=directserial realport:COM3
serial4=disabled

Yes i am using the last version 0.74-3
Thanks

Reply 7 of 9, by weedeewee

Posted on 2021-02-15, 09:40

weedeewee Offline

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Putty / Terminal / Local Echo / Force On

Right to repair is fundamental. You own it, you're allowed to fix it.
How To Ask Questions The Smart Way
Do not ask Why !
https://www.vogonswiki.com/index.php/Serial_port

Reply 8 of 9, by ik8ozv

Posted on 2021-02-15, 09:44

ik8ozv Offline

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weedeewee wrote on 2021-02-15, 09:40:

Putty / Terminal / Local Echo / Force On

Please apologise what it is?
Have you read my problem at the first post.?
I am having problems on DosBox not on Putty
Thanks

Reply 9 of 9, by Jorpho

Posted on 2021-02-15, 16:39

Jorpho Offline

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Well, I'm out of ideas.

You can try using Portmon to monitor activity when you're using DOSBox and when you're using PuTTY. Perhaps the comparison will yield some clues.
https://docs.microsoft.com/en-us/sysinternals … wnloads/portmon

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