--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/term/tvi970.el	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,125 @@
+;;; tvi970.el --- terminal support for the Televideo 970
+
+;; Author: Jim Blandy <jimb@occs.cs.oberlin.edu>, January 1992
+;; Keywords: terminals
+
+;; Copyright (C) 1992 Free Software Foundation, Inc.
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING.  If not, write to
+;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+;;; Commentary:
+
+;;; Uses the Emacs 19 terminal initialization features --- won't work with 18.
+
+;;; Code:
+
+(or (lookup-key function-key-map "\e[")
+    (define-key function-key-map "\e[" (make-keymap)))
+;; (or (lookup-key function-key-map "\eO")
+;;    (define-key function-key-map "\eO" (make-keymap)))
+
+;; Miscellaneous keys
+(mapcar (function (lambda (key-binding)
+		    (define-key function-key-map
+		      (car key-binding) (nth 1 key-binding))))
+	'(
+	  ;; These are set up by termcap or terminfo
+	  ;; ("\eOP"	[kp_f1])
+	  ;; ("\eOQ"	[kp_f2])
+	  ;; ("\eOR"	[kp_f3])
+	  ;; ("\eOS"	[kp_f4])
+
+	  ;; These might br set by terminfo
+	  ("\e[H"	[home])
+	  ("\e[Z"	[backtab])
+	  ("\e[i"	[print])
+	  ("\e[@"	[insert])
+	  ("\e[L"	[insertline])
+	  ("\e[M"	[deleteline])
+	  ("\e[U"	[next])		;; actually the `page' key
+
+	  ;; These won't be set up by either
+	  ("\eOm"	[kp_subtract])
+	  ("\eOl"	[kp_separator])
+	  ("\eOn"	[kp_decimal])
+	  ("\eOM"	[kp_enter])
+
+	  ;; These won't be set up by either either
+	  ("\e[K"	[key_eol])	;; Not an X keysym
+	  ("\e[J"	[key_eos])	;; Not an X keysym
+	  ("\e[2J"	[key_clear])	;; Not an X keysym
+	  ("\e[P"	[key_dc])	;; Not an X keysym
+	  ("\e[g"	[(shift tab)])	;; Not an X keysym
+	  ("\e[2N"	[clearentry])	;; Not an X keysym
+	  ("\e[2K"	[(shift clearentry)])	;; Not an X keysym
+	  ("\e[E"	[?\C-j])	;; Not an X keysym
+	  ("\e[g"	[(shift backtab)])	;; Not an X keysym
+	  ("\e[?1i"	[key_sprint])	;; Not an X keysym
+	  ("\e[4h"	[key_sic])	;; Not an X keysym
+	  ("\e[4l"	[(shift delete)])	;; Not an X keysym
+	  ("\e[Q"	[(shift insertline)])	;; Not an X keysym
+	  ("\e[1Q"	[key_sdl])	;; Not an X keysym
+	  ("\e[19l"	[key_seol])	;; Not an X keysym
+	  ("\e[19h"	[(shift erasepage)])	;; Not an X keysym
+	  ("\e[V"	[(shift page)])	;; Not an X keysym
+	  ("\eS"	[send])		;; Not an X keysym
+	  ("\e5"	[(shift send)])	;; Not an X keysym
+	  ))
+
+;; The numeric keypad keys.
+(let ((i 0))
+  (while (< i 10)
+    (define-key function-key-map
+      (format "\eO%c" (+ i ?p))
+      (vector (intern (format "kp_%d" i))))
+    (setq i (1+ i))))
+;; The numbered function keys.
+(let ((i 0))
+  (while (< i 16)
+    (define-key function-key-map
+      (format "\e?%c" (+ i ?a))
+      (vector (intern (format "f%d" (1+ i)))))
+    (define-key function-key-map
+      (format "\e?%c" (+ i ?A))
+      (vector (list 'shift (intern (format "f%d" (1+ i))))))
+    (setq i (1+ i))))
+
+
+;;; Should keypad numbers send ordinary digits or distinct escape sequences?
+(defvar tvi970-keypad-numeric nil
+  "The terminal should be in numeric keypad mode iff this variable is non-nil.
+Do not set this variable!  Call the function ``tvi970-set-keypad-mode''.")
+
+(defun tvi970-set-keypad-mode (&optional arg)
+  "Set the current mode of the TVI 970 numeric keypad.
+In ``numeric keypad mode'', the number keys on the keypad act as
+ordinary digits.  In ``alternate keypad mode'', the keys send distinct
+escape sequences, meaning that they can have their own bindings,
+independent of the normal number keys.
+With no argument, toggle between the two possible modes.
+With a positive argument, select alternate keypad mode.
+With a negative argument, select numeric keypad mode."
+  (interactive "P")
+  (setq tvi970-keypad-numeric 
+	(if (null arg)
+	    (not tvi970-keypad-numeric)
+	  (> (prefix-numeric-value arg) 0)))
+  (send-string-to-terminal (if tvi970-keypad-numeric "\e=" "\e>")))
+
+(tvi970-set-keypad-mode 1)
+
+;;; tv970 ends here