Johnny, I have sent you directly some presentation notes on the topic of USS tables.
By "logon screen" I assume you mean the USS 10 message which is sent as a data stream to an LU immediately following the response to ACTLU if the LU (or LOCAL) statement specifies a USS table in the USSTAB operand (and the SSCPFM operand specifies something other than FSS or the statement is a LOCAL statement). Be aware that the ability to enter the LOGON command - or a customized equivalent - is not restricted to when the USS 10 message is presented but applies whenever any USS message is presented. Thus, ideally any short advice you offer should appear on each USS message including the comment on why the error USS message was presented for USS messages other than the USS 10 message. Since you are talking about setting colours you are clearly talking about the data stream used in USS tables associated with SSCPFM=USS3270 (or for a LOCAL statement) rather than SSCPFM=USSSCS. Here the complication is understanding 3270 data streams probably rather more than understanding assembler language format. The manual you need for this is the 3270 Data Stream Programmer's Reference, GA23-0059-07, and has the Contents page http://publibfp.boulder.ibm.com/cgi-bin/bookmgr/BOOKS/cn7p4000/CCONTENTS If you ignore - for the moment anyhow - anything to do with "structured fields" and "partitions" you will more quickly get through the manual and understand how the current data stream you have works and how to modify it. Please post again if you need any more help. --- On resending the above because of the irritating inability of the software supporting the group to remove the stuff at the end of a post, I can cover the point you raised in your "Thank you" note, for which thanks. The "DC" ("declare constant" if my memory serves me well) used in an USS table is exactly the same as is used in an assembler program. The simple reason is that the USS tables is, in truth, assembler programming. The USS table is constructed from assembler macros and requires to be processed using the assembler (compiler) in order to create object code which VTAM can use. Chris Mason ----- Original Message ----- From: "Johnny Luo" <[EMAIL PROTECTED]> Newsgroups: bit.listserv.ibm-main To: <[email protected]> Sent: Saturday, 07 January, 2006 1:20 PM Subject: Manuals on modifying VTAM logon screen? Hi, I want to do some little modification to my test system's default logon screen.I mean no big change,for example, the default screen displays 'Z/OS' in red color and I want to diplay 'Johnny's test Z/OS' in green.Just something like this. I know the steps to do it,however,when modifying the source, I found it's written in assembler and I don't know its syntax. So I begin to search IBM's manuals and find some SNA manuals relevant.The bad thing is ,they contain many advance things about VTAM and I didn't find exactly what I need. Can anyone give me some suggestions?You know,what I want to do is simple,just adding or deleting some messages diplayed on logon screen, nothing else. -- Best Regards, Johnny Luo ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

