185 lines
9.8 KiB
Plaintext
185 lines
9.8 KiB
Plaintext
================================================================================
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| P C V T - VT220 Terminal Emulation Driver |
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| (c) Copyright 1992, 2000 by |
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| Hellmuth Michaelis |
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| Hallstr.20 |
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| Rellingen |
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| Europe |
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| For the contributors copyrights which apply to parts of the source |
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| see the header sections of the respective source files. |
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================================================================================
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Written by: Hellmuth Michaelis (hm@freebsd.org)
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The major contributors to pcvt are Brian and Joerg, pcvt would not be what it
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is without the help, the support and the code from Joerg:
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Brian Dunford-Shore (brian@athe.wustl.edu)
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wrote parts of the EGA/VGA hardware handling and
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some of the more ugly aspects of the VT220.
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Joerg Wunsch (joerg_wunsch@uriah.heep.sax.de)
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added ALL support for XFree86, the screensaver sub-
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system and support for FreeBSD (and much more ...).
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I have to thank the following people for their help, for beta-testing, bugfixes,
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code, keymaps, suggestions, hints, patience and too much more to mention:
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Scott Turner (scotty@gagetalker.com)
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Peter Galbavy (peter@wonderland.org)
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Michael Havemester (tik@abqhh.hanse.de)
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Gordon L. Burditt (gordon@sneaky.lonestar.org)
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Bruce Evans (bde@runx.oz.au)
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Heiko W. Rupp (hwr@pilhuhn.ka.sub.org)
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Carsten Lutz (clu@malihh.hanse.de)
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Christian Rohrmueller (internal@doitcr.doit.sub.org)
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Andy Duplain (duplain@rtf.bt.co.uk)
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Marko Karppinen (dreamer@purkki.apu.fi)
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Onno van der Linden (c/o frank@fwi.uva.nl)
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Dave Nelson (dcn@ignatz.acs.depaul.edu)
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Mark Weaver (Mark_Weaver@brown.edu)
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John Brezak (brezak@apollo.hp.com)
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Jan-Oliver Neumann (jan@encap.hanse.de)
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Kim Andersen (kim@dde.dk)
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Michael Graff (explorer@iastate.edu)
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Randy Terbush (randyt@cse.unl.edu)
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Benjamin Lewis (blewis@vet.vet.purdue.edu)
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Daniel Harris (daniel@reubio.apana.org.au)
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Alistair G. Crooks (agc@uts.amdahl.com)
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Szabolcs Szigeti (pink@bagira.fsz.bme.hu)
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Charles Hannum (mycroft@gnu.ai.mit.edu)
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Thomas Gellekum (thomas@ghpc8.ihf.rwth-aachen.de)
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Matthieu Herrb (matthieu@laas.fr)
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John A. Perry (perry@jpunix.com)
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John Kohl (jtk@kolvir.blrc.ma.us)
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Brian Moore (ziff@eecs.umich.edu)
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Martin Husemann (martin@euterpe.owl.de)
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Lon Willett (willett@math.utah.edu)
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Mark Willey (mwilley@mipos2.intel.com)
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Bill Sommerfeld (sommerfeld@orchard.medford.ma.us)
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Rafal Boni (r-boni@uiuc.edu)
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Thomas Eberhardt (thomas@mathematik.uni-bremen.de)
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History (see also Doc/ChangeLog)
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--------------------------------------------------------------------------------
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Release Changes/Features
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------------- ----------------------------------------------------------------
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1.00 (08/92) Released as "pccons_vga" to alt.sources, VT100 emulation
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2.00 (01/93) VT220 emulation, many bugfixes and enhancements
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2.10 (03/93) Fixed bugs, monochrome environments, configuration changes
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2.20 (10/93) never released (experimental internal release)
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3.00 (03/94) Support for XFree86 >= 1.2, support for XFree86 2.0's
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syscons/USL model for multiple X servers and/or terminal
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sessions from Joerg Wunsch (Thank You, Joerg !!!), fixed
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bugs, (n)curses-based EGA/VGA font editor, memory mapped
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screens, full MDA/CGA virtual screen support, 132 columns
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on some super VGA chipsets, support for NetBSD >= 0.9,
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support for FreeBSD >= 1.0 and much more ....
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(posted to comp.sources.misc, Volume 41, Issue 140-152)
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3.10 (08/94) never released (experimental internal release)
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3.20 Fast forward/backward scrolling from Michael Havemester,
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further optimization by Charles Hannum. Keyboard queueing
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for silo overflow minimization also from Michael.
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Many bugfixes, cleanups and enhancements.
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Support for NetBSD 1.0 and FreeBSD 2.0.
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Features
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--------------------------------------------------------------------------------
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The 'pcvt' VT220 emulator driver has:
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- Almost full DEC VT220 (VT100/VT102) Terminal functionality
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- support for XFree86 >= 1.2 using the pccons model
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- full multiple virtual screen / multiple X-server support
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for XFree86 >= 2.0 using the USL-VT/syscons model
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- Full Support for MDA, CGA, EGA and VGA display adaptors
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- configurable number of virtual screens on any video board
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- completely independent virtual terminals for any video board
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- (24), 25, 28, 40, or 50 lines for each virtual screen on VGA's
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- (24), 25, 35, or 43 lines for each virtual screen on EGA's
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- Fully remappable keyboard to support national keyboards
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- All VT220 character sets plus ISO Latin-1 and DEC Technical supported
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- VT220 downloadable character set supported when run on EGA/VGA
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- VT220 user defined keys for each virtual terminal
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- Optional function key label support a 'la Hewlett-Packard
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- Display function codes (0x00-0x1f/0x90-0xaf) functionality
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- Optional screen-saving feature
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- 132 column operation on several VGA chipsets:
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o Tseng Labs ET3000 and ET4000
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o Western Digital WD90C11
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o Trident TVGA9000, TVGA8900B, TVGA8900C, TVGA8900CL
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o Video 7 1024i
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o S3 80C928 (board dependent)
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o Cirrus Logic GD542x (board dependent)
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What it cannot:
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- No double wide/high characters
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- No softscroll
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- No inverse background
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- No VT220 printer output support
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- No VT52 support at all
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- No 8-bit controls
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- Only limited AT-keyboard (84 keys) support
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The entire pcvt package consists of:
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- the VT220 emulating driver itself
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- complete documentation for installation and operation
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- termcap/terminfo, pcvt.el, rc.local, /etc/ttys, xmodmap examples
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- cursor: utility to set the cursor size and shape
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- fed: curses-based EGA/VGA character set editor
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- fontedit: utility to edit the vt220 downloadable character set
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- ispcvt: utility to display the drivers compile time configuration
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- kcon: utility to setup national keyboard layouts and remap keys
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- keycap: keyboard mapping database library similar to termcap
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- loadfont: utility to load up to 4/8 fonts into an EGA/VGA board
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- mcon: utility to control/configure a keyboard based mouse emulator
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- scon: utility to runtime configure the video part of pcvt
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- userkeys: utility to set the VT220 user programmable function keys
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- vttest: VT100 compatibility torture test program
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- some color- characterset- and attribute demos
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- vga and keyboard register-level debugging utilities
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WYSIWYG - What You Share Is What You Get
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--------------------------------------------------------------------------------
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PLEASE, if you fix bugs, add features, hack this driver to work on your
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hardware or simply don't get it up and running, get in contact with me!
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Help us to avoid reinventing the wheel over and over again!
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-----------------------------------------------------------
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The code is far from being perfect, YOU are very welcome to enhance it !
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Please mail bug reports/fixes, suggestions, enhancements & diffs to
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hm@freebsd.org
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I will support this driver as my time permits it, feel free to contact me!
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Have fun!
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Hellmuth
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$FreeBSD$
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