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Add support for GDDM

Open vmdave9 opened this issue 2 years ago • 5 comments

I would like to see support for GDDM graphics added to zti, like what the 3179-G terminal provides. Although not an IBM-er, I am willing to assist in this upgrade. Many thanks. DJ

vmdave9 avatar Nov 21 '22 15:11 vmdave9

You can think of a big chunk zti being just a translator between 3270 orders and ASCII terminal escape sequences. So, to support GDDM, zti has to translate the GDDM graphics to codes that do graphics in an ascii terminal. I believe such terminal emulators exist where this could be pulled off. But I think they are rare. What ascii terminal emulator do you use? Do you know if it supports graphics?

najohnsn avatar Nov 21 '22 21:11 najohnsn

Thanks for the input Neil. Yes, you are correct, IBM has defined a set of "graphic orders" that can be sent in a 3270 data stream and displayed on non-programmable terminals. On Windows I use the IBM PCOMM TN3270 emulator, which supports GDDM graphics very nicely. It's an IBM product so you probably can take a look at the source code to see what it does. :-) What I am looking for is something like PCOMM but that can run anywhere (Linux, Mac, Win) and not just Windows. Many thanks.

vmdave9 avatar Nov 22 '22 14:11 vmdave9

The "sister" product for PCOMM that will run everywhere is the Host On Demand product that comes with the PCOMM bundle. IBM offers both PCOMM and HOD in the Host Access Client Package and HOD uses similar and the same configuration parameters. Both support graphics in the same manner. I use HOD on Linux, AIX, Mac..... Hope this helps.

jefsmithIBM avatar Nov 22 '22 18:11 jefsmithIBM

Thanks for the pointer, Jeff. Does anyone know how to order this from IBM? Once, when dinosaurs roamed the Earth, there was such a thing as an IBM sales rep, who you could contact about such things as this. Now, like the dinosaurs, they too have vanished from the Earth as well. sigh.. DJ

On Tue, Nov 22, 2022 at 12:52 PM Jeff L Smith @.***> wrote:

The "sister" product for PCOMM that will run everywhere is the Host On Demand product that comes with the PCOMM bundle. IBM offers both PCOMM and HOD in the Host Access Client Package and HOD uses similar and the same configuration parameters. Both support graphics in the same manner. I use HOD on Linux, AIX, Mac..... Hope this helps.

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vmdave9 avatar Nov 22 '22 20:11 vmdave9

You can order HACP from Passport Advantage website where IBM sales its distributed software. Or, you can go to the web page, [https://www.ibm.com/products/host-access-client-package], and the "Let's Chat" will assist in placing the order. You can download it immediately after the order.

jefsmithIBM avatar Nov 29 '22 15:11 jefsmithIBM