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(insert-startup-screen): New function.

(msdos-memget, msdos-memput): New functions.
(msdos-set-keyboard, insert-startup-screen): New functions.
(dos-timezone-offset, dos-display-scancodes, dos-menubar-clock,
dos-hyper-key, dos-super-key, dos-keypad-mode, dos-keyboard-layout,
dos-decimal-point): New variables.
This commit is contained in:
Kim F. Storm 1995-10-11 15:12:35 +00:00
parent f32d40914e
commit 5f08dc787a

View file

@ -33,6 +33,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "frame.h"
#include "dosfns.h"
#include "msdos.h"
#include <go32.h>
DEFUN ("mode25", Fmode25, Smode25, 0, 0, "", "\
Changes the number of rows to 25.")
@ -137,6 +138,74 @@ REGISTERS should be a vector produced by `make-register' and\n\
return regs;
}
DEFUN ("msdos-memget", Fdos_memget, Sdos_memget, 2, 2, 0,
"Read DOS memory at offset ADDRESS into VECTOR.\n\
Return the updated VECTOR.")
(addr, v)
Lisp_Object addr, v;
{
register int i;
int offs, len;
char *buf;
Lisp_Object val;
CHECK_NUMBER (addr, 0);
offs = (unsigned long) XINT (addr);
CHECK_VECTOR (v, 1);
len = XVECTOR (v)-> size;
if (len < 1 || len > 2048 || addr < 0 || addr > 0xfffff - len)
return Qnil;
buf = alloca (len);
dosmemget (offs, len, buf);
for (i = 0; i < len; i++)
XVECTOR (v)->contents[i] = make_number (buf[i]);
return v;
}
DEFUN ("msdos-memput", Fdos_memput, Sdos_memput, 2, 2, 0,
"Write DOS memory at offset ADDRESS from VECTOR.")
(addr, v)
Lisp_Object addr, v;
{
register int i;
int offs, len;
char *buf;
Lisp_Object val;
CHECK_NUMBER (addr, 0);
offs = (unsigned long) XINT (addr);
CHECK_VECTOR (v, 1);
len = XVECTOR (v)-> size;
if (len < 1 || len > 2048 || addr < 0 || addr > 0xfffff - len)
return Qnil;
buf = alloca (len);
for (i = 0; i < len; i++)
{
CHECK_NUMBER (XVECTOR (v)->contents[i], 1);
buf[i] = (unsigned char) XFASTINT (XVECTOR (v)->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.\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. */
@ -173,11 +242,12 @@ 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;
}
if (have_mouse)
{
have_mouse = 1;
mouse_init ();
return Qt;
}
return Qnil;
}
@ -187,8 +257,8 @@ DEFUN ("msdos-mouse-enable", Fmsdos_mouse_enable, Smsdos_mouse_enable, 0, 0, "",
{
if (have_mouse)
{
have_mouse = 1;
mouse_on ();
have_mouse = 1;
mouse_on ();
}
return have_mouse ? Qt : Qnil;
}
@ -202,12 +272,49 @@ DEFUN ("msdos-mouse-disable", Fmsdos_mouse_disable, Smsdos_mouse_disable, 0, 0,
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;
Lisp_Object Vdos_version;
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;
Lisp_Object Vdos_menubar_clock;
Lisp_Object Vdos_timer_hooks;
void
init_dosfns ()
{
@ -224,7 +331,7 @@ init_dosfns ()
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 = (34 + 15) / 16;
info.size = (sizeof(dos_country_info) + 15) / 16;
if (_go32_dpmi_allocate_dos_memory (&info))
dos_country_code = 1;
else
@ -235,8 +342,10 @@ init_dosfns ()
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 (&regs, &regs);
@ -264,8 +373,12 @@ syms_of_dosfns ()
defsubr (&Smode25);
defsubr (&Smode4350);
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);
@ -280,7 +393,7 @@ syms_of_dosfns ()
Usually this is the international telephone prefix.");
DEFVAR_INT ("dos-codepage", &dos_codepage,
"The codepage active when Emacs was started.\n\
"The codepage active when Emacs was started.\n\
The following are known:\n\
437 United States\n\
850 Multilingual (Latin I)\n\
@ -291,7 +404,71 @@ The following are known:\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_LISP ("dos-menubar-clock", &Vdos_menubar_clock,
"*When non-nil, the current time is displayed in the upper right\n\
corner of the screen (typically at the end of the menu bar).");
Vdos_menubar_clock = Qt;
DEFVAR_LISP ("dos-timer-hooks", &Vdos_timer_hooks,
"List of hooks which are run every second.");
Vdos_timer_hooks = 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 = 0x70;
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 */