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100 lines
3.9 KiB
Plaintext
100 lines
3.9 KiB
Plaintext
Welcome to the new tn3270 - version 4.1.1.
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This version consists entirely of bug fixes to the August 1987 beta release
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of tn3270. This version will now deal with CICS and VM/XA on the IBM
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side, and with SunOS 4.0 on Sun 3's and Sun 4's.
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This version has been tested on various versions of BSD Unix, including
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4.2 and 4.3 (but there are never vanilla versions) and the post-4.3 systems
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running at Berkeley. It has been tested on CCI's, Vaxen, Sun 3's and Sun 4's.
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However, it doesn't necessarily work on all systems (nor has the testing
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been as intensive as one might like).
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This version should build on any Berkeley-derived system.
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There are two alternate make files: ./makefile_4.2 and telnet/Makefile_ultrix.
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**** Try ./makefile_4.2 if you get compile-time errors, or get
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"multiply defined" messages for "_putchar" from the loader.
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**** Try telnet/Makefile_ultrix if your make(1) utility doesn't
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support VPATH. Also try this makefile if your ld(1) doesn't
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support the -r flag correctly.
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The bad news is that I've had to drop MS-DOS support. The good news here is
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that there are various versions available for MS-DOS (from FTP Software in
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Cambridge, Mass.; from IBM; from Excelan; and probably from others). The
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hooks are still there, as well as some code to update the screen. However,
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I just haven't had the time to produce a fully integrated version that would
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"just make". I suspect that a future release may have MS-DOS support back
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in it.
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There is no Mac support. Contact Peter DiCamillo at Brown University if
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you need a Mac tn3270.
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The main code change in this version is to what used to be called "telnet.c".
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This is now replaced with a version of telnet (substantially what appeared
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in the "4.3tahoe" release from CSRG) which is broken into separate files.
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Here is an overview of the directory structure:
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api/ General library of function needed by API
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(and, to some extent, by the rest of tn3270).
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arpa/ Location of "telnet.h" (for non-4.3 systems).
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ascii/ Routines necessary to handle the case of running
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from an ASCII-oriented system (ie: unix).
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ctlr/ The main part of the emulator. Handles 3270 scan
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codes, 3270 data stream, 3270 display codes,
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and EBCDIC. Also, the internal API function
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lives here.
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general/ Some general subroutines and data structures of
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interest to the emulator only.
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sys_curses/ System-dependent code for a curses-based environment.
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sys_dos/ System-dependent code for an MS-DOS-base environment.
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Remember that this is included for your developmental
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needs (ie: it doesn't work).
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telnet/ Where the telnet portion of tn3720 is built.
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tools/ Various tools. Most of these are used during the
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build process. One (prt3270) is a debugging tool.
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One (mkmake.y) is quite horrible, and attempts to
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transform Unix makefiles into PC makefiles.
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utilities/ The source for tnrecv, which receives files
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(fairly slowly) from an IBM host. We don't
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include the IBM side, because we really aren't
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happy with very much of it (except that it does,
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sometimes, work). Hopefully, when we get past
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the beta stage we will have more robust (and
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complete) code to share.
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The fact that system dependancies are isolated should make it easy
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to port to other systems. I would like to hear about problems porting
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to new areas.
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In the August, 1987 README file, the following appeared:
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> WHAT IS NOT IN THIS VERSION (sigh):
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> 1) We don't have a native X version yet. I am waiting for X version 11
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> (though this is mostly an excuse; I could have done version 10,
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> but I haven't had the time).
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> 2) We don't process structured fields.
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> 3) We don't do 3270-style graphics (ala 3193, say).
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> The above three items WILL be in the next version, which should come
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> along "any day now" (say 6 months) (but, they WON'T be in the production
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> release of this version).
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The next piece of bad news is that none of the above have happened yet,
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and I don't know when they might occur.
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