I see two issues
1. It doesn't show the command, e.g.,
Write Erase Alternate.
TSO inserts it in some cases,
but sometimes yo must do so
2. Sometime you don't need to send
a field definition.
--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
עַם יִשְׂרָאֵל חַי
נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר
________________________________________
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of
Robert Prins <000005be6ef5bfea-dmarc-requ...@listserv.ua.edu>
Sent: Friday, August 16, 2024 1:59 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: 3270 programming
This might also be of some use:
http://secure-web.cisco.com/1evnHBgQur1qe4QJ9bNIr2HGZUk4HlLK_OYSGJDsPWa3CX5gX66Ldlk95MVqfaX6DEEJcRlrRAyTsZMzKFl2_N_pgb7OUByq67k-KttSeLJ7TKYgNVosxqUvwZnwsQts9gM291BrueeEmZINqW0xxN57m7l09t83buQa7bb0pqBjzYz9XLZ7rk-S5r4mJpyRxvB3HrmbmoYew0EZ3U5o67ZdxDb1B28wRGaghCuH-hO895xszDOmFJOTVprvB9y9s-KfyxZo5xeRjsHpVXxwWs8ZCDvh268EKWa73Nt9ZFqYgPzkGGchMfqKEkTR1iOQf0uTqPtmzrmqsdXVasgRNHSvEUJm4zXG2J93Gzx7Cz7sh_5IbmJ2_0vasDEBrJeig2EqNDvAH_C6ZJejYsacy8AnnmmAwQ4bjStcQ1JWKHNE/http%3A%2F%2Fwww.tommysprinkle.com%2Fmvs%2FP3270%2Fstart.htm
- 3270 Data Stream
Programming
Robert
On Fri, 16 Aug 2024 at 13:14, Lennie Bradshaw <lennie-brads...@outlook.com>
wrote:
> Seymour,
> That is interesting. I was unaware the protocol had been externalised from
> IBM. I guess this absolves them of the responsibility of providing
> documentation as well.
>
> Phil asked what was the original posters requirement. Well years ago (in
> the late 1970s) I wrote some program for TSO using 3270 protocols. This was
> in the days before ISPF and before the extended attribute support was
> available. I have been involved in such programs rarely since then, but
> have maintained some knowledge of the protocol. I have somewhere a "Green
> Book" which has all the tables and so on, but I have mislaid it. I had to
> make some changes to a VTAM USS table recently and was looking for the
> specifications for the control strings I could use. As I couldn't find my
> Green Book, I looked online and could not see where IBM had this documented.
> Hence my questions.
>
> The website that Sebastian found was really useful.
>
> Many thanks to all who contributed. I will try and butt out now.
> Lennie
>
> -----Original Message-----
> From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf
> Of Seymour J Metz
> Sent: 16 August 2024 12:56
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: 3270 programming
>
> I would start with RFC 2355, TN3270 Enhancements <
> https://datatracker.ietf.org/doc/rfc2355/>
>
>
--
Robert AH Prins
robert(a)prino(d)org
The hitchhiking grandfather
<https://secure-web.cisco.com/107B4-EWcoKgbhHZZmIUU5eIn-_Yhqfvm_RfAJhzzlD1_uMFPGmP3LLU-Y0ZcUEPFVfD-UkFm0oRtPmINtoNo-RFAdWpZrLlaX-k6fkiXyXWIioR2q_5EpmhxUDLKq19Ftbokk9Ham7DdiGwWU9F2Oi-RYrDyQaANXGyHOLPv-CKtwtJlMiTGXDnToStUfaWyfCpT_xENoMPIBOjGwxnalxB7_K8FmN0YsFsQSPDCFE3L0PEluBwu5kivEVhDP0o2w9DaQctYEhLag898b1RA0V4QkCLg0LmRYjpYZeXgg7oGSKSzrcdyFxhUok9LpNO-YhroJqcUR92DA75ctFdL_xNg51j8BDPL9PpTunhc0a6082ZkFvsOo3Cy1_EfRJAh22OXLRDtJmoGIQqD641gY-0GkWWbo9S2mIPjSV3V2RQ/https%3A%2F%2Fprino.neocities.org%2Findex.html>
Some REXX code for use on z/OS
<https://secure-web.cisco.com/1epy13nM1Gmr0Do6DDlTf0yGJwfGE9A2fNgQ0L-c-SPWj4BDagvxAxceu4aBOyr6vYkkSWwL6_UwaggdDpg-lx38N7GviVn8NAhR0-CS5TNJJFhY9HR7TxmMxo2NAF_U3A4bqzMpx-8Hct680a6HjnQhwcijfjtxG_oaElr73oO_VivDV0ImDp8LNFsRxgeUCr2D8SyAdhjhJfTmLyCZUXtRKLKWX4wjKMB2PuH50GUOVKlJQH0qAx75j86EAl8trbtJf9Txl33shqJQrhEPfSFXrZV8KbhzCCWEwtckFN0ShZQpVa57Ymr9C-ZzQImY_T0K8rNE50KSFVMEcq_cp2-ewcbMUrZF4H6-G9PFcEqmCIMwcOLB4K1mCFl4PNc4an2QIjPtgEfvRWKwyscZPG_WKjSWkDjD033FN0gRJuos/https%3A%2F%2Fprino.neocities.org%2FzOS%2FzOS-Tools.html>
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