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;;; internal.el ---support for PC keyboards and screens, internal terminal
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;; Copyright (C) 1993, 1994 Free Software Foundation, Inc.
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;; Author: Morten Welinder <terra@diku.dk>

;; 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
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;; along with GNU Emacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

;;; Code:

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;; ---------------------------------------------------------------------------
;; screen setup -- that's easy!
(standard-display-8bit 127 254)
;; ---------------------------------------------------------------------------
;; keyboard setup -- that's simple!
(set-input-mode nil nil 0)
(define-key function-key-map [backspace] "\177") ; Normal behaviour for BS
(define-key function-key-map [delete] "\C-d")    ; ... and Delete
(define-key function-key-map [tab] [?\t])
(define-key function-key-map [linefeed] [?\n])
(define-key function-key-map [clear] [11])
(define-key function-key-map [return] [13])
(define-key function-key-map [escape] [?\e])
(define-key function-key-map [M-backspace] [?\M-\d])
(define-key function-key-map [M-delete] [?\M-\d])
(define-key function-key-map [M-tab] [?\M-\t])
(define-key function-key-map [M-linefeed] [?\M-\n])
(define-key function-key-map [M-clear] [?\M-\013])
(define-key function-key-map [M-return] [?\M-\015])
(define-key function-key-map [M-escape] [?\M-\e])
(put 'backspace 'ascii-character 127)
(put 'delete 'ascii-character 127)
(put 'tab 'ascii-character ?\t)
(put 'linefeed 'ascii-character ?\n)
(put 'clear 'ascii-character 12)
(put 'return 'ascii-character 13)
(put 'escape 'ascii-character ?\e)
;; ---------------------------------------------------------------------------
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;; We want to do this when Emacs is started because it depends on the
;; country code.
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(let* ((i 128)
      (modify (function
	       (lambda (ch sy) 
		 (modify-syntax-entry ch sy text-mode-syntax-table)
		 (if (boundp 'tex-mode-syntax-table)
		     (modify-syntax-entry ch sy tex-mode-syntax-table))
		 (modify-syntax-entry ch sy (standard-syntax-table))
		 )))
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      (table (standard-case-table))
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      ;; The following are strings of letters, first lower then upper case.
      ;; This will look funny on terminals which display other code pages.
      (chars
       (cond
	((= dos-codepage 850)
	 ">R擨!丰倳賥")
	((= dos-codepage 865)
	 "Σ!㏕Σ丰")
	;; default is 437
	(t "Σ!㏕Σ丰"))))

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  (while (< i 256)
    (funcall modify i "_")
    (setq i (1+ i)))

  (setq i 0)
  (while (< i (length chars))
    (let ((ch1 (aref chars i))
	  (ch2 (aref chars (1+ i))))
      (if (> ch2 127)
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	  (set-case-syntax-pair ch2 ch1 table))
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      (setq i (+ i 2))))
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  (save-excursion
    (mapcar (lambda (b) (set-buffer b) (set-case-table table))
	    (buffer-list)))
  (set-standard-case-table table))
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;;; internal.el ends here