diff options
Diffstat (limited to 'src/glut/dos/PC_HW/pc_keyb.c')
| -rw-r--r-- | src/glut/dos/PC_HW/pc_keyb.c | 592 |
1 files changed, 295 insertions, 297 deletions
diff --git a/src/glut/dos/PC_HW/pc_keyb.c b/src/glut/dos/PC_HW/pc_keyb.c index d3c87bc5bde..d7e3257b9d5 100644 --- a/src/glut/dos/PC_HW/pc_keyb.c +++ b/src/glut/dos/PC_HW/pc_keyb.c @@ -1,7 +1,7 @@ /* * PC/HW routine collection v1.3 for DOS/DJGPP * - * Copyright (C) 2002 - Borca Daniel + * Copyright (C) 2002 - Daniel Borca * Email : [email protected] * Web : http://www.geocities.com/dborca */ @@ -14,7 +14,6 @@ #include "pc_hw.h" - #define KEYB_IRQ 1 #define KEY_BUFFER_SIZE 64 @@ -25,8 +24,8 @@ static int keyboard_installed; static volatile struct { - volatile int start, end; - volatile int key[KEY_BUFFER_SIZE]; + volatile int start, end; + volatile int key[KEY_BUFFER_SIZE]; } key_buffer; static volatile int key_enhanced, key_pause_loop, key_shifts; @@ -35,10 +34,8 @@ 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] = -{ +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, @@ -46,10 +43,8 @@ static unsigned short modifier_table[KEY_MAX - KEY_MODIFIERS] = }; - /* lookup table for converting hardware scancodes into Allegro format */ -static unsigned char hw_to_mycode[128] = -{ +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, @@ -85,10 +80,8 @@ static unsigned char hw_to_mycode[128] = }; - /* lookup table for converting extended hardware codes into Allegro format */ -static unsigned char hw_to_mycode_ex[128] = -{ +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, @@ -124,10 +117,8 @@ static unsigned char hw_to_mycode_ex[128] = }; - /* default mapping table for the US keyboard layout */ -static unsigned short standard_key_ascii_table[KEY_MAX] = -{ +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', @@ -140,10 +131,8 @@ static unsigned short standard_key_ascii_table[KEY_MAX] = }; - /* capslock mapping table for the US keyboard layout */ -static unsigned short standard_key_capslock_table[KEY_MAX] = -{ +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', @@ -156,10 +145,8 @@ static unsigned short standard_key_capslock_table[KEY_MAX] = }; - /* shifted mapping table for the US keyboard layout */ -static unsigned short standard_key_shift_table[KEY_MAX] = -{ +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 */ ')', '!', '@', '#', '$', '%', '^', '&', '*', '(', @@ -172,10 +159,8 @@ static unsigned short standard_key_shift_table[KEY_MAX] = }; - /* ctrl+key mapping table for the US keyboard layout */ -static unsigned short standard_key_control_table[KEY_MAX] = -{ +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, @@ -188,215 +173,217 @@ static unsigned short standard_key_control_table[KEY_MAX] = }; - /* convert numeric pad scancodes into arrow codes */ -static unsigned char numlock_table[10] = -{ +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) +static __inline int +kb_wait_for_write_ready (void) { - int timeout = 4096; + int timeout = 4096; - while ((timeout>0) && (inportb(0x64)&2)) timeout--; + while ((timeout > 0) && (inportb(0x64) & 2)) timeout--; - return (timeout>0); + 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) +static __inline int +kb_wait_for_read_ready (void) { - int timeout = 16384; + int timeout = 16384; - while ((timeout>0) && (!(inportb(0x64)&1))) timeout--; + while ((timeout > 0) && (!(inportb(0x64) & 1))) timeout--; - return (timeout>0); + 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) +static __inline int +kb_send_data (unsigned char data) { - int resends = 4; - int timeout, temp; + int resends = 4; + int timeout, temp; - do { - if (!kb_wait_for_write_ready()) - return 0; + do { + if (!kb_wait_for_write_ready()) + return 0; - outportb(0x60, data); - timeout = 4096; + outportb(0x60, data); + timeout = 4096; - while (--timeout>0) { - if (!kb_wait_for_read_ready()) - return 0; + while (--timeout > 0) { + if (!kb_wait_for_read_ready()) + return 0; - temp = inportb(0x60); + temp = inportb(0x60); - if (temp == 0xFA) - return 1; + if (temp == 0xFA) + return 1; - if (temp == 0xFE) - break; - } - } while ((resends-- > 0) && (timeout > 0)); + if (temp == 0xFE) + break; + } + } while ((resends-- > 0) && (timeout > 0)); - return 0; + return 0; } - -static void update_leds (int leds) +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(); - } + 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) +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; - } + 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) + +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--; + 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 () + +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\ + 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"); - } + ":::"%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory"); + } - __asm("\n\ + __asm("\n\ inb $0x61, %%al \n\ movb %%al, %%ah \n\ orb $0x80, %%al \n\ @@ -405,138 +392,149 @@ static int keyboard () outb %%al, $0x61 \n\ movb $0x20, %%al \n\ outb %%al, $0x20 \n\ - ":::"%eax"); - return 0; + ":::"%eax"); + return 0; } ENDOFUNC(keyboard) -int pc_keypressed (void) +int +pc_keypressed (void) { - return (key_buffer.start!=key_buffer.end); + return (key_buffer.start!=key_buffer.end); } -int pc_readkey (void) + +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; - } + 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) + +int +pc_keydown (int code) { - return pc_key[code]; + return pc_key[code]; } -int pc_keyshifts (void) + +int +pc_keyshifts (void) { - return key_shifts; + return key_shifts; } -void pc_remove_keyb (void) + +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); - } + 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) + +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; - } + 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; + } } |