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Diffstat (limited to 'src/dosfns.c')
| -rw-r--r-- | src/dosfns.c | 407 |
1 files changed, 0 insertions, 407 deletions
diff --git a/src/dosfns.c b/src/dosfns.c deleted file mode 100644 index 69254ef7089..00000000000 --- a/src/dosfns.c +++ /dev/null @@ -1,407 +0,0 @@ -/* MS-DOS specific Lisp utilities. Coded by Manabu Higashida, 1991. - Major changes May-July 1993 Morten Welinder (only 10% original code left) - Copyright (C) 1991, 1993 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, Inc., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - - -#include <config.h> - -#ifdef MSDOS -/* The entire file is within this conditional */ - -#include <stdio.h> -#include <dos.h> -#include "lisp.h" -#include "buffer.h" -#include "termchar.h" -#include "termhooks.h" -#include "frame.h" -#include "dosfns.h" -#include "msdos.h" -#include <go32.h> -#include <dirent.h> - -DEFUN ("int86", Fint86, Sint86, 2, 2, 0, - "Call specific MSDOS interrupt number INTERRUPT with REGISTERS.\n\ -Return the updated REGISTER vector.\n\ -\n\ -INTERRUPT should be an integer in the range 0 to 255.\n\ -REGISTERS should be a vector produced by `make-register' and\n\ -`set-register-value'.") - (interrupt, registers) - Lisp_Object interrupt, registers; -{ - register int i; - int no; - union REGS inregs, outregs; - Lisp_Object val; - - CHECK_NUMBER (interrupt, 0); - no = (unsigned long) XINT (interrupt); - CHECK_VECTOR (registers, 1); - if (no < 0 || no > 0xff || XVECTOR (registers)-> size != 8) - return Qnil; - for (i = 0; i < 8; i++) - CHECK_NUMBER (XVECTOR (registers)->contents[i], 1); - - inregs.x.ax = (unsigned long) XFASTINT (XVECTOR (registers)->contents[0]); - inregs.x.bx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[1]); - inregs.x.cx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[2]); - inregs.x.dx = (unsigned long) XFASTINT (XVECTOR (registers)->contents[3]); - inregs.x.si = (unsigned long) XFASTINT (XVECTOR (registers)->contents[4]); - inregs.x.di = (unsigned long) XFASTINT (XVECTOR (registers)->contents[5]); - inregs.x.cflag = (unsigned long) XFASTINT (XVECTOR (registers)->contents[6]); - inregs.x.flags = (unsigned long) XFASTINT (XVECTOR (registers)->contents[7]); - - int86 (no, &inregs, &outregs); - - XVECTOR (registers)->contents[0] = make_number (outregs.x.ax); - XVECTOR (registers)->contents[1] = make_number (outregs.x.bx); - XVECTOR (registers)->contents[2] = make_number (outregs.x.cx); - XVECTOR (registers)->contents[3] = make_number (outregs.x.dx); - XVECTOR (registers)->contents[4] = make_number (outregs.x.si); - XVECTOR (registers)->contents[5] = make_number (outregs.x.di); - XVECTOR (registers)->contents[6] = make_number (outregs.x.cflag); - XVECTOR (registers)->contents[7] = make_number (outregs.x.flags); - - return registers; -} - -DEFUN ("msdos-memget", Fdos_memget, Sdos_memget, 2, 2, 0, - "Read DOS memory at offset ADDRESS into VECTOR.\n\ -Return the updated VECTOR.") - (address, vector) - Lisp_Object address, vector; -{ - register int i; - int offs, len; - char *buf; - Lisp_Object val; - - CHECK_NUMBER (address, 0); - offs = (unsigned long) XINT (address); - CHECK_VECTOR (vector, 1); - len = XVECTOR (vector)-> size; - if (len < 1 || len > 2048 || address < 0 || address > 0xfffff - len) - return Qnil; - buf = alloca (len); - dosmemget (offs, len, buf); - - for (i = 0; i < len; i++) - XVECTOR (vector)->contents[i] = make_number (buf[i]); - - return vector; -} - -DEFUN ("msdos-memput", Fdos_memput, Sdos_memput, 2, 2, 0, - "Write DOS memory at offset ADDRESS from VECTOR.") - (address, vector) - Lisp_Object address, vector; -{ - register int i; - int offs, len; - char *buf; - Lisp_Object val; - - CHECK_NUMBER (address, 0); - offs = (unsigned long) XINT (address); - CHECK_VECTOR (vector, 1); - len = XVECTOR (vector)-> size; - if (len < 1 || len > 2048 || address < 0 || address > 0xfffff - len) - return Qnil; - buf = alloca (len); - - for (i = 0; i < len; i++) - { - CHECK_NUMBER (XVECTOR (vector)->contents[i], 1); - buf[i] = (unsigned char) XFASTINT (XVECTOR (vector)->contents[i]) & 0xFF; - } - - dosmemput (buf, len, offs); - return Qt; -} - -DEFUN ("msdos-set-keyboard", Fmsdos_set_keyboard, Smsdos_set_keyboard, 1, 2, 0, - "Set keyboard layout according to COUNTRY-CODE.\n\ -If the optional argument ALLKEYS is non-nil, the keyboard is mapped for\n\ -all keys; otherwise it is only used when the ALT key is pressed.\n\ -The current keyboard layout is available in dos-keyboard-code.") - (country_code, allkeys) - Lisp_Object country_code; -{ - CHECK_NUMBER (country_code, 0); - if (!dos_set_keyboard (XINT (country_code), !NILP (allkeys))) - return Qnil; - return Qt; -} - -#ifndef HAVE_X_WINDOWS -/* Later we might want to control the mouse interface with this function, - e.g., with respect to non-80 column screen modes. */ - -DEFUN ("msdos-mouse-p", Fmsdos_mouse_p, Smsdos_mouse_p, 0, 0, 0, "\ -Report whether a mouse is present.") - () -{ - if (have_mouse) - return Qt; - else - return Qnil; -} - -/* Function to translate colour names to integers. See lisp/term/pc-win.el - for its definition. */ - -Lisp_Object Qmsdos_color_translate; -#endif - - -DEFUN ("msdos-mouse-init", Fmsdos_mouse_init, Smsdos_mouse_init, 0, 0, "", - "Initialize and enable mouse if available.") - () -{ - if (have_mouse) - { - have_mouse = 1; - mouse_init (); - return Qt; - } - return Qnil; -} - -DEFUN ("msdos-mouse-enable", Fmsdos_mouse_enable, Smsdos_mouse_enable, 0, 0, "", - "Enable mouse if available.") - () -{ - if (have_mouse) - { - have_mouse = 1; - mouse_on (); - } - return have_mouse ? Qt : Qnil; -} - -DEFUN ("msdos-mouse-disable", Fmsdos_mouse_disable, Smsdos_mouse_disable, 0, 0, "", - "Disable mouse if available.") - () -{ - mouse_off (); - if (have_mouse) have_mouse = -1; - return Qnil; -} - -DEFUN ("insert-startup-screen", Finsert_startup_screen, Sinsert_startup_screen, 0, 0, "", "\ -Insert copy of screen contents prior to starting emacs.\n\ -Return nil if startup screen is not available.") - () -{ - char *s; - int rows, cols; - int i, j; - - if (!dos_get_saved_screen (&s, &rows, &cols)) - return Qnil; - - for (i = 0; i < rows; i++) - { - for (j = 0; j < cols; j++) - { - insert_char (*s, 1); - s += 2; - } - insert_char ('\n', 1); - } - - return Qt; -} - -/* country info */ -int dos_country_code; -int dos_codepage; -int dos_timezone_offset; -int dos_decimal_point; -int dos_keyboard_layout; -unsigned char dos_country_info[DOS_COUNTRY_INFO]; - -int dos_hyper_key; -int dos_super_key; -int dos_keypad_mode; - -Lisp_Object Vdos_version; -Lisp_Object Vdos_display_scancodes; - -void -init_dosfns () -{ - union REGS regs; - _go32_dpmi_seginfo info; - _go32_dpmi_registers dpmiregs; - -#ifndef SYSTEM_MALLOC - get_lim_data (); /* why the hell isn't this called elsewhere? */ -#endif - - regs.x.ax = 0x3000; - intdos (®s, ®s); - Vdos_version = Fcons (make_number (regs.h.al), make_number (regs.h.ah)); - - /* Obtain the country code by calling Dos via Dpmi. Don't rely on GO32. */ - info.size = (sizeof(dos_country_info) + 15) / 16; - if (_go32_dpmi_allocate_dos_memory (&info)) - dos_country_code = 1; - else - { - dpmiregs.x.ax = 0x3800; - dpmiregs.x.ds = info.rm_segment; - dpmiregs.x.dx = 0; - dpmiregs.x.ss = dpmiregs.x.sp = 0; - _go32_dpmi_simulate_int (0x21, &dpmiregs); - dos_country_code = dpmiregs.x.bx; - dosmemget (info.rm_segment * 16, DOS_COUNTRY_INFO, dos_country_info); - _go32_dpmi_free_dos_memory (&info); - } - dos_set_keyboard (dos_country_code, 0); - - regs.x.ax = 0x6601; - intdos (®s, ®s); - if (regs.x.cflag) - /* Estimate code page from country code */ - switch (dos_country_code) - { - case 45: /* Denmark */ - case 47: /* Norway */ - dos_codepage = 865; - break; - default: - /* US */ - dos_codepage = 437; - } - else - dos_codepage = regs.x.bx & 0xffff; - -#if __DJGPP__ >= 2 - - /* Without this, we never see hidden files. - Don't OR it with the previous value, so the value recorded at dump - time, possibly with `preserve-case' flags set, won't get through. */ - __opendir_flags = __OPENDIR_FIND_HIDDEN; - -#if __DJGPP_MINOR__ == 0 - /* Under LFN, preserve the case of files as recorded in the directory - (in DJGPP 2.01 and later this is automagically done by the library). */ - if (!NILP (Fmsdos_long_file_names ())) - __opendir_flags |= __OPENDIR_PRESERVE_CASE; -#endif /* __DJGPP_MINOR__ == 0 */ -#endif /* __DJGPP__ >= 2 */ -} - -/* - * Define everything - */ -syms_of_dosfns () -{ - defsubr (&Sint86); - defsubr (&Sdos_memget); - defsubr (&Sdos_memput); - defsubr (&Smsdos_mouse_init); - defsubr (&Smsdos_mouse_enable); - defsubr (&Smsdos_set_keyboard); - defsubr (&Sinsert_startup_screen); - defsubr (&Smsdos_mouse_disable); -#ifndef HAVE_X_WINDOWS - defsubr (&Smsdos_mouse_p); - Qmsdos_color_translate = intern ("msdos-color-translate"); - staticpro (&Qmsdos_color_translate); -#endif - - DEFVAR_INT ("dos-country-code", &dos_country_code, - "The country code returned by Dos when Emacs was started.\n\ -Usually this is the international telephone prefix."); - - DEFVAR_INT ("dos-codepage", &dos_codepage, - "The codepage active when Emacs was started.\n\ -The following are known:\n\ - 437 United States\n\ - 850 Multilingual (Latin I)\n\ - 852 Slavic (Latin II)\n\ - 857 Turkish\n\ - 860 Portugal\n\ - 861 Iceland\n\ - 863 Canada (French)\n\ - 865 Norway/Denmark"); - - DEFVAR_INT ("dos-timezone-offset", &dos_timezone_offset, - "The current timezone offset to UTC in minutes. -Implicitly modified when the TZ variable is changed."); - - DEFVAR_LISP ("dos-version", &Vdos_version, - "The (MAJOR . MINOR) Dos version (subject to modification with setver)."); - - DEFVAR_LISP ("dos-display-scancodes", &Vdos_display_scancodes, - "*When non-nil, the keyboard scan-codes are displayed at the bottom right\n\ -corner of the display (typically at the end of the mode line).\n\ -The output format is: scan code:char code*modifiers."); - Vdos_display_scancodes = Qnil; - - DEFVAR_INT ("dos-hyper-key", &dos_hyper_key, - "*If set to 1, use right ALT key as hyper key.\n\ -If set to 2, use right CTRL key as hyper key."); - dos_hyper_key = 0; - - DEFVAR_INT ("dos-super-key", &dos_super_key, - "*If set to 1, use right ALT key as super key.\n\ -If set to 2, use right CTRL key as super key."); - dos_super_key = 0; - - DEFVAR_INT ("dos-keypad-mode", &dos_keypad_mode, - "*Controls what key code is returned by a key in the numeric keypad.\n\ -The `numlock ON' action is only taken if no modifier keys are pressed.\n\ -The value is an integer constructed by adding the following bits together:\n\ - \n\ - 0x00 Digit key returns digit (if numlock ON)\n\ - 0x01 Digit key returns kp-digit (if numlock ON)\n\ - 0x02 Digit key returns M-digit (if numlock ON)\n\ - 0x03 Digit key returns edit key (if numlock ON)\n\ - \n\ - 0x00 Grey key returns char (if numlock ON)\n\ - 0x04 Grey key returns kp-key (if numlock ON)\n\ - \n\ - 0x00 Digit key returns digit (if numlock OFF)\n\ - 0x10 Digit key returns kp-digit (if numlock OFF)\n\ - 0x20 Digit key returns M-digit (if numlock OFF)\n\ - 0x30 Digit key returns edit key (if numlock OFF)\n\ - \n\ - 0x00 Grey key returns char (if numlock OFF)\n\ - 0x40 Grey key returns kp-key (if numlock OFF)\n\ - \n\ - 0x200 ALT-0..ALT-9 in top-row produces shifted codes."); - dos_keypad_mode = 0x75; - - DEFVAR_INT ("dos-keyboard-layout", &dos_keyboard_layout, - "Contains the country code for the current keyboard layout.\n\ -Use msdos-set-keyboard to select another keyboard layout."); - dos_keyboard_layout = 1; /* US */ - - DEFVAR_INT ("dos-decimal-point", &dos_decimal_point, - "If non-zero, it contains the character to be returned when the\n\ -decimal point key in the numeric keypad is pressed when Num Lock is on.\n\ -If zero, the decimal point key returns the country code specific value."); - dos_decimal_point = 0; -} -#endif /* MSDOS */ |