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Path: utzoo!watmath!watnot!watdcsu!wizard
From: wizard@watdcsu.UUCP (Mailing List, Open Computing Group)
Newsgroups: net.arch
Subject: Re: clear screen on a IBM 327x terminal
Message-ID: <1991@watdcsu.UUCP>
Date: Mon, 23-Dec-85 20:46:33 EST
Article-I.D.: watdcsu.1991
Posted: Mon Dec 23 20:46:33 1985
Date-Received: Wed, 25-Dec-85 00:40:44 EST
References: <1764@utcsri.UUCP> <7900005@ada-uts.UUCP>
Reply-To: wizard@watdcsu.UUCP (Mailing List, Open Computing Group)
Organization: U of Waterloo, Ontario
Lines: 17
Summary: 

In article <7900005@ada-uts.UUCP> brianu@ada-uts.UUCP writes:
>The instruction looks like this:
>        DIAG  R3,R2,X'0058'
>Where R3 is the address of a CCW and R2 is the console address.
>Unlike Jerry Callen, I know CMS but not CCW's so here is the CCW's used
>by a (not to be named) module: CCW     DC X'1900000060FF0001'
>                                       DC X'0300000020000001'
>I won't vouch for it validity, especially since I couldn't find the 19
>command code listed anywhere.

the CCW flags are where the erase write is specified.  a DIAG 58 under
CMS is equivalent (more or less) to an SIO in a real /370.  the
3270 programmer's guide should have the specification of the CCW flags used.

Herb Chong...

User friendliness all over...