+++ /dev/null
-/*
- * PC/HW routine collection v1.3 for DOS/DJGPP
- *
- * Copyright (C) 2002 - Daniel Borca
- * Email : dborca@yahoo.com
- * Web : http://www.geocities.com/dborca
- */
-
-
-#include <pc.h>
-#include <sys/exceptn.h>
-#include <sys/farptr.h>
-
-#include "pc_hw.h"
-
-
-#define KEYB_IRQ 1
-
-#define KEY_BUFFER_SIZE 64
-
-#define KB_MODIFIERS (KB_SHIFT_FLAG | KB_CTRL_FLAG | KB_ALT_FLAG | KB_LWIN_FLAG | KB_RWIN_FLAG | KB_MENU_FLAG)
-#define KB_LED_FLAGS (KB_SCROLOCK_FLAG | KB_NUMLOCK_FLAG | KB_CAPSLOCK_FLAG)
-
-static int keyboard_installed;
-
-static volatile struct {
- volatile int start, end;
- volatile int key[KEY_BUFFER_SIZE];
-} key_buffer;
-
-static volatile int key_enhanced, key_pause_loop, key_shifts;
-static int leds_ok = TRUE;
-static int in_a_terrupt = FALSE;
-static volatile char pc_key[KEY_MAX];
-
-
-/* convert Allegro format scancodes into key_shifts flag bits */
-static unsigned short modifier_table[KEY_MAX - KEY_MODIFIERS] = {
- KB_SHIFT_FLAG, KB_SHIFT_FLAG, KB_CTRL_FLAG,
- KB_CTRL_FLAG, KB_ALT_FLAG, KB_ALT_FLAG,
- KB_LWIN_FLAG, KB_RWIN_FLAG, KB_MENU_FLAG,
- KB_SCROLOCK_FLAG, KB_NUMLOCK_FLAG, KB_CAPSLOCK_FLAG
-};
-
-
-/* lookup table for converting hardware scancodes into Allegro format */
-static unsigned char hw_to_mycode[128] = {
- /* 0x00 */ 0, KEY_ESC, KEY_1, KEY_2,
- /* 0x04 */ KEY_3, KEY_4, KEY_5, KEY_6,
- /* 0x08 */ KEY_7, KEY_8, KEY_9, KEY_0,
- /* 0x0C */ KEY_MINUS, KEY_EQUALS, KEY_BACKSPACE, KEY_TAB,
- /* 0x10 */ KEY_Q, KEY_W, KEY_E, KEY_R,
- /* 0x14 */ KEY_T, KEY_Y, KEY_U, KEY_I,
- /* 0x18 */ KEY_O, KEY_P, KEY_OPENBRACE, KEY_CLOSEBRACE,
- /* 0x1C */ KEY_ENTER, KEY_LCONTROL, KEY_A, KEY_S,
- /* 0x20 */ KEY_D, KEY_F, KEY_G, KEY_H,
- /* 0x24 */ KEY_J, KEY_K, KEY_L, KEY_COLON,
- /* 0x28 */ KEY_QUOTE, KEY_TILDE, KEY_LSHIFT, KEY_BACKSLASH,
- /* 0x2C */ KEY_Z, KEY_X, KEY_C, KEY_V,
- /* 0x30 */ KEY_B, KEY_N, KEY_M, KEY_COMMA,
- /* 0x34 */ KEY_STOP, KEY_SLASH, KEY_RSHIFT, KEY_ASTERISK,
- /* 0x38 */ KEY_ALT, KEY_SPACE, KEY_CAPSLOCK, KEY_F1,
- /* 0x3C */ KEY_F2, KEY_F3, KEY_F4, KEY_F5,
- /* 0x40 */ KEY_F6, KEY_F7, KEY_F8, KEY_F9,
- /* 0x44 */ KEY_F10, KEY_NUMLOCK, KEY_SCRLOCK, KEY_7_PAD,
- /* 0x48 */ KEY_8_PAD, KEY_9_PAD, KEY_MINUS_PAD, KEY_4_PAD,
- /* 0x4C */ KEY_5_PAD, KEY_6_PAD, KEY_PLUS_PAD, KEY_1_PAD,
- /* 0x50 */ KEY_2_PAD, KEY_3_PAD, KEY_0_PAD, KEY_DEL_PAD,
- /* 0x54 */ KEY_PRTSCR, 0, KEY_BACKSLASH2, KEY_F11,
- /* 0x58 */ KEY_F12, 0, 0, KEY_LWIN,
- /* 0x5C */ KEY_RWIN, KEY_MENU, 0, 0,
- /* 0x60 */ 0, 0, 0, 0,
- /* 0x64 */ 0, 0, 0, 0,
- /* 0x68 */ 0, 0, 0, 0,
- /* 0x6C */ 0, 0, 0, 0,
- /* 0x70 */ KEY_KANA, 0, 0, KEY_ABNT_C1,
- /* 0x74 */ 0, 0, 0, 0,
- /* 0x78 */ 0, KEY_CONVERT, 0, KEY_NOCONVERT,
- /* 0x7C */ 0, KEY_YEN, 0, 0
-};
-
-
-/* lookup table for converting extended hardware codes into Allegro format */
-static unsigned char hw_to_mycode_ex[128] = {
- /* 0x00 */ 0, KEY_ESC, KEY_1, KEY_2,
- /* 0x04 */ KEY_3, KEY_4, KEY_5, KEY_6,
- /* 0x08 */ KEY_7, KEY_8, KEY_9, KEY_0,
- /* 0x0C */ KEY_MINUS, KEY_EQUALS, KEY_BACKSPACE, KEY_TAB,
- /* 0x10 */ KEY_CIRCUMFLEX, KEY_AT, KEY_COLON2, KEY_R,
- /* 0x14 */ KEY_KANJI, KEY_Y, KEY_U, KEY_I,
- /* 0x18 */ KEY_O, KEY_P, KEY_OPENBRACE, KEY_CLOSEBRACE,
- /* 0x1C */ KEY_ENTER_PAD, KEY_RCONTROL, KEY_A, KEY_S,
- /* 0x20 */ KEY_D, KEY_F, KEY_G, KEY_H,
- /* 0x24 */ KEY_J, KEY_K, KEY_L, KEY_COLON,
- /* 0x28 */ KEY_QUOTE, KEY_TILDE, 0, KEY_BACKSLASH,
- /* 0x2C */ KEY_Z, KEY_X, KEY_C, KEY_V,
- /* 0x30 */ KEY_B, KEY_N, KEY_M, KEY_COMMA,
- /* 0x34 */ KEY_STOP, KEY_SLASH_PAD, 0, KEY_PRTSCR,
- /* 0x38 */ KEY_ALTGR, KEY_SPACE, KEY_CAPSLOCK, KEY_F1,
- /* 0x3C */ KEY_F2, KEY_F3, KEY_F4, KEY_F5,
- /* 0x40 */ KEY_F6, KEY_F7, KEY_F8, KEY_F9,
- /* 0x44 */ KEY_F10, KEY_NUMLOCK, KEY_PAUSE, KEY_HOME,
- /* 0x48 */ KEY_UP, KEY_PGUP, KEY_MINUS_PAD, KEY_LEFT,
- /* 0x4C */ KEY_5_PAD, KEY_RIGHT, KEY_PLUS_PAD, KEY_END,
- /* 0x50 */ KEY_DOWN, KEY_PGDN, KEY_INSERT, KEY_DEL,
- /* 0x54 */ KEY_PRTSCR, 0, KEY_BACKSLASH2, KEY_F11,
- /* 0x58 */ KEY_F12, 0, 0, KEY_LWIN,
- /* 0x5C */ KEY_RWIN, KEY_MENU, 0, 0,
- /* 0x60 */ 0, 0, 0, 0,
- /* 0x64 */ 0, 0, 0, 0,
- /* 0x68 */ 0, 0, 0, 0,
- /* 0x6C */ 0, 0, 0, 0,
- /* 0x70 */ 0, 0, 0, 0,
- /* 0x74 */ 0, 0, 0, 0,
- /* 0x78 */ 0, 0, 0, 0,
- /* 0x7C */ 0, 0, 0, 0
-};
-
-
-/* default mapping table for the US keyboard layout */
-static unsigned short standard_key_ascii_table[KEY_MAX] = {
- /* start */ 0,
- /* alphabet */ 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
- /* numbers */ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
- /* numpad */ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
- /* func keys */ 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
- /* misc chars */ 27, '`', '-', '=', 8, 9, '[', ']', 13, ';', '\'', '\\', '\\', ',', '.', '/', ' ',
- /* controls */ 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
- /* numpad */ '/', '*', '-', '+', '.', 13,
- /* modifiers */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-
-/* capslock mapping table for the US keyboard layout */
-static unsigned short standard_key_capslock_table[KEY_MAX] = {
- /* start */ 0,
- /* alphabet */ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
- /* numbers */ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
- /* numpad */ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
- /* func keys */ 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
- /* misc chars */ 27, '`', '-', '=', 8, 9, '[', ']', 13, ';', '\'', '\\', '\\', ',', '.', '/', ' ',
- /* controls */ 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
- /* numpad */ '/', '*', '-', '+', '.', 13,
- /* modifiers */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-
-/* shifted mapping table for the US keyboard layout */
-static unsigned short standard_key_shift_table[KEY_MAX] = {
- /* start */ 0,
- /* alphabet */ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
- /* numbers */ ')', '!', '@', '#', '$', '%', '^', '&', '*', '(',
- /* numpad */ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
- /* func keys */ 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
- /* misc chars */ 27, '~', '_', '+', 8, 9, '{', '}', 13, ':', '"', '|', '|', '<', '>', '?', ' ',
- /* controls */ 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
- /* numpad */ '/', '*', '-', '+', '.', 13,
- /* modifiers */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-
-/* ctrl+key mapping table for the US keyboard layout */
-static unsigned short standard_key_control_table[KEY_MAX] = {
- /* start */ 0,
- /* alphabet */ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
- /* numbers */ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- /* numpad */ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
- /* func keys */ 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
- /* misc chars */ 27, 2, 2, 2, 127, 127, 2, 2, 10, 2, 2, 2, 2, 2, 2, 2, 2,
- /* controls */ 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
- /* numpad */ 2, 2, 2, 2, 2, 10,
- /* modifiers */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-
-/* convert numeric pad scancodes into arrow codes */
-static unsigned char numlock_table[10] = {
- KEY_INSERT, KEY_END, KEY_DOWN, KEY_PGDN, KEY_LEFT,
- KEY_5_PAD, KEY_RIGHT, KEY_HOME, KEY_UP, KEY_PGUP
-};
-
-
-/* kb_wait_for_write_ready:
- * Wait for the keyboard controller to set the ready-for-write bit.
- */
-static __inline int
-kb_wait_for_write_ready (void)
-{
- int timeout = 4096;
-
- while ((timeout > 0) && (inportb(0x64) & 2)) timeout--;
-
- return (timeout > 0);
-}
-
-
-/* kb_wait_for_read_ready:
- * Wait for the keyboard controller to set the ready-for-read bit.
- */
-static __inline int
-kb_wait_for_read_ready (void)
-{
- int timeout = 16384;
-
- while ((timeout > 0) && (!(inportb(0x64) & 1))) timeout--;
-
- return (timeout > 0);
-}
-
-
-/* kb_send_data:
- * Sends a byte to the keyboard controller. Returns 1 if all OK.
- */
-static __inline int
-kb_send_data (unsigned char data)
-{
- int resends = 4;
- int timeout, temp;
-
- do {
- if (!kb_wait_for_write_ready())
- return 0;
-
- outportb(0x60, data);
- timeout = 4096;
-
- while (--timeout > 0) {
- if (!kb_wait_for_read_ready())
- return 0;
-
- temp = inportb(0x60);
-
- if (temp == 0xFA)
- return 1;
-
- if (temp == 0xFE)
- break;
- }
- } while ((resends-- > 0) && (timeout > 0));
-
- return 0;
-}
-
-
-static void
-update_leds (int leds)
-{
- if (leds_ok) {
- if (!in_a_terrupt)
- DISABLE();
-
- if (!kb_send_data(0xED)) {
- kb_send_data(0xF4);
- leds_ok = FALSE;
- } else if (!kb_send_data((leds >> 8) & 7)) {
- kb_send_data(0xF4);
- leds_ok = FALSE;
- }
-
- if (!in_a_terrupt)
- ENABLE();
- }
-} ENDOFUNC(update_leds)
-
-
-static void
-inject_key (int scancode)
-{
- unsigned short *table;
-
- if ((scancode >= KEY_0_PAD) && (scancode <= KEY_9_PAD)) {
- if (((key_shifts & KB_NUMLOCK_FLAG) != 0) == ((key_shifts & KB_SHIFT_FLAG) != 0)) {
- scancode = numlock_table[scancode - KEY_0_PAD];
- }
- table = standard_key_ascii_table;
- } else if (key_shifts & KB_CTRL_FLAG) {
- table = standard_key_control_table;
- } else if (key_shifts & KB_SHIFT_FLAG) {
- if (key_shifts & KB_CAPSLOCK_FLAG) {
- if (standard_key_ascii_table[scancode] == standard_key_capslock_table[scancode]) {
- table = standard_key_shift_table;
- } else {
- table = standard_key_ascii_table;
- }
- } else {
- table = standard_key_shift_table;
- }
- } else if (key_shifts & KB_CAPSLOCK_FLAG) {
- table = standard_key_capslock_table;
- } else {
- table = standard_key_ascii_table;
- }
-
- key_buffer.key[key_buffer.end++] = (scancode << 16) | table[scancode];
-
- if (key_buffer.end >= KEY_BUFFER_SIZE)
- key_buffer.end = 0;
- if (key_buffer.end == key_buffer.start) {
- key_buffer.start++;
- if (key_buffer.start >= KEY_BUFFER_SIZE)
- key_buffer.start = 0;
- }
-} ENDOFUNC(inject_key)
-
-
-static void
-handle_code (int scancode, int keycode)
-{
- in_a_terrupt++;
-
- if (keycode == 0) { /* pause */
- inject_key(scancode);
- pc_key[KEY_PAUSE] ^= TRUE;
- } else if (scancode) {
- int flag;
-
- if (scancode >= KEY_MODIFIERS) {
- flag = modifier_table[scancode - KEY_MODIFIERS];
- } else {
- flag = 0;
- }
- if ((char)keycode < 0) { /* release */
- pc_key[scancode] = FALSE;
- if (flag & KB_MODIFIERS) {
- key_shifts &= ~flag;
- }
- } else { /* keypress */
- pc_key[scancode] = TRUE;
- if (flag & KB_MODIFIERS) {
- key_shifts |= flag;
- }
- if (flag & KB_LED_FLAGS) {
- key_shifts ^= flag;
- update_leds(key_shifts);
- }
- if (scancode < KEY_MODIFIERS) {
- inject_key(scancode);
- }
- }
- }
-
- in_a_terrupt--;
-} ENDOFUNC(handle_code)
-
-
-static int
-keyboard ()
-{
- unsigned char temp, scancode;
-
- temp = inportb(0x60);
-
- if (temp <= 0xe1) {
- if (key_pause_loop) {
- if (!--key_pause_loop) handle_code(KEY_PAUSE, 0);
- } else
- switch (temp) {
- case 0xe0:
- key_enhanced = TRUE;
- break;
- case 0xe1:
- key_pause_loop = 5;
- break;
- default:
- if (key_enhanced) {
- key_enhanced = FALSE;
- scancode = hw_to_mycode_ex[temp & 0x7f];
- } else {
- scancode = hw_to_mycode[temp & 0x7f];
- }
- handle_code(scancode, temp);
- }
- }
-
- if (((temp==0x4F)||(temp==0x53))&&(key_shifts&KB_CTRL_FLAG)&&(key_shifts&KB_ALT_FLAG)) {
- /* Hack alert:
- * only SIGINT (but not Ctrl-Break)
- * calls the destructors and will safely clean up
- */
- __asm("\n\
- movb $0x79, %%al \n\
- call ___djgpp_hw_exception \n\
- ":::"%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory");
- }
-
- __asm("\n\
- inb $0x61, %%al \n\
- movb %%al, %%ah \n\
- orb $0x80, %%al \n\
- outb %%al, $0x61 \n\
- xchgb %%al, %%ah \n\
- outb %%al, $0x61 \n\
- movb $0x20, %%al \n\
- outb %%al, $0x20 \n\
- ":::"%eax");
- return 0;
-} ENDOFUNC(keyboard)
-
-
-int
-pc_keypressed (void)
-{
- return (key_buffer.start!=key_buffer.end);
-}
-
-
-int
-pc_readkey (void)
-{
- if (keyboard_installed) {
- int key;
-
- while (key_buffer.start == key_buffer.end) {
- __dpmi_yield();
- }
-
- DISABLE();
- key = key_buffer.key[key_buffer.start++];
- if (key_buffer.start >= KEY_BUFFER_SIZE)
- key_buffer.start = 0;
- ENABLE();
-
- return key;
- } else {
- return 0;
- }
-}
-
-
-int
-pc_keydown (int code)
-{
- return pc_key[code];
-}
-
-
-int
-pc_keyshifts (void)
-{
- return key_shifts;
-}
-
-
-void
-pc_remove_keyb (void)
-{
- if (keyboard_installed) {
- int s1, s2, s3;
-
- keyboard_installed = FALSE;
- pc_clexit(pc_remove_keyb);
-
- DISABLE();
- _farsetsel(__djgpp_dos_sel);
- _farnspokew(0x41c, _farnspeekw(0x41a));
-
- s1 = _farnspeekb(0x417) & 0x80;
- s2 = _farnspeekb(0x418) & 0xFC;
- s3 = _farnspeekb(0x496) & 0xF3;
-
- if (pc_key[KEY_RSHIFT]) { s1 |= 1; }
- if (pc_key[KEY_LSHIFT]) { s1 |= 2; }
- if (pc_key[KEY_LCONTROL]) { s2 |= 1; s1 |= 4; }
- if (pc_key[KEY_ALT]) { s1 |= 8; s2 |= 2; }
- if (pc_key[KEY_RCONTROL]) { s1 |= 4; s3 |= 4; }
- if (pc_key[KEY_ALTGR]) { s1 |= 8; s3 |= 8; }
-
- if (key_shifts & KB_SCROLOCK_FLAG) s1 |= 16;
- if (key_shifts & KB_NUMLOCK_FLAG) s1 |= 32;
- if (key_shifts & KB_CAPSLOCK_FLAG) s1 |= 64;
-
- _farnspokeb(0x417, s1);
- _farnspokeb(0x418, s2);
- _farnspokeb(0x496, s3);
- update_leds(key_shifts);
-
- ENABLE();
- pc_remove_irq(KEYB_IRQ);
- }
-}
-
-
-int
-pc_install_keyb (void)
-{
- if (keyboard_installed || pc_install_irq(KEYB_IRQ, keyboard)) {
- return -1;
- } else {
- int s1, s2, s3;
-
- LOCKDATA(key_buffer);
- LOCKDATA(key_enhanced);
- LOCKDATA(key_pause_loop);
- LOCKDATA(key_shifts);
- LOCKDATA(leds_ok);
- LOCKDATA(in_a_terrupt);
- LOCKDATA(pc_key);
- LOCKDATA(modifier_table);
- LOCKDATA(hw_to_mycode);
- LOCKDATA(hw_to_mycode_ex);
- LOCKDATA(standard_key_ascii_table);
- LOCKDATA(standard_key_capslock_table);
- LOCKDATA(standard_key_shift_table);
- LOCKDATA(standard_key_control_table);
- LOCKDATA(numlock_table);
- LOCKFUNC(update_leds);
- LOCKFUNC(inject_key);
- LOCKFUNC(handle_code);
- LOCKFUNC(keyboard);
-
- DISABLE();
- _farsetsel(__djgpp_dos_sel);
- _farnspokew(0x41c, _farnspeekw(0x41a));
-
- key_shifts = 0;
- s1 = _farnspeekb(0x417);
- s2 = _farnspeekb(0x418);
- s3 = _farnspeekb(0x496);
-
- if (s1 & 1) { key_shifts |= KB_SHIFT_FLAG; pc_key[KEY_RSHIFT] = TRUE; }
- if (s1 & 2) { key_shifts |= KB_SHIFT_FLAG; pc_key[KEY_LSHIFT] = TRUE; }
- if (s2 & 1) { key_shifts |= KB_CTRL_FLAG; pc_key[KEY_LCONTROL] = TRUE; }
- if (s2 & 2) { key_shifts |= KB_ALT_FLAG; pc_key[KEY_ALT] = TRUE; }
- if (s3 & 4) { key_shifts |= KB_CTRL_FLAG; pc_key[KEY_RCONTROL] = TRUE; }
- if (s3 & 8) { key_shifts |= KB_ALT_FLAG; pc_key[KEY_ALTGR] = TRUE; }
-
- if (s1 & 16) key_shifts |= KB_SCROLOCK_FLAG;
- if (s1 & 32) key_shifts |= KB_NUMLOCK_FLAG;
- if (s1 & 64) key_shifts |= KB_CAPSLOCK_FLAG;
- update_leds(key_shifts);
-
- key_enhanced = key_pause_loop = 0;
- key_buffer.start = key_buffer.end = 0;
- ENABLE();
-
- pc_atexit(pc_remove_keyb);
- keyboard_installed = TRUE;
- return 0;
- }
-}
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