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Minix/CD-ROM-2.0/MINIX/MANUALS/CAT5/KEYMAP.5

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+KEYMAP(5)                 Minix Programmer's Manual                  KEYMAP(5)
+
+
+NAME
+     keymap - keyboard maps
+
+SYNOPSIS
+     /etc/keymap
+
+DESCRIPTION
+     /etc/keymap is the compressed mapping from keyboard scan codes to  ASCII.
+     It  is  made  from  a  keymap  source file consisting of MAP_COLS columns
+     (MINIX assigns the value 6 to MAX_COLS,  corresponding  to  key  pressed,
+     key+SHIFT,  key+LEFT_ALT,  key+RIGHT_ALT, key+ALT+SHIFT and key+CTRL) and
+     NR_SCAN_CODES rows  (MINIX  assigns  the  value  0x80  to  NR_SCAN_CODES,
+     corresponding  to  the  number  of  scan  codes  to  be  provided  by the
+     keyboard), and each element is 2 bytes  in  length  (see  u16_t  in  type
+     definitions). The low order byte corresponds to the character represented
+     by the scan code, and the high order  byte  corresponds  to  the  special
+     meaning (when CAPS LOCK has effect, if it is a function key, etc.), which
+     is converted to binary keymap format using the genmap utility.
+
+  Types (general): <sys/types.h>
+     <sys/types.h> defines the u8_t and u16_t types, corresponding to 8 and 16
+     bit values.
+
+  Macros: <minix/keymap.h>
+
+     C(c) - Control
+          Maps to control code
+
+     A(c) - Alt
+          Sets the eight bit
+
+     CA(c) - Control-Alt
+          Short for A(C(c))
+
+     L(c) - Caps Lock
+          Adds Caps Lock effect
+
+     These macros are used in a keymap source file to help  define  keys.   So
+     instead  of writing 032 to put a CTRL-Z in the map you write C('Z').  The
+     L(c) macro is used in column 0 to tell that the Caps Lock key  is  active
+     for this key.  (Caps Lock should only have effect on letters.)
+
+  Definitions: <minix/keymap.h>
+     <minix/keymap.h> contains a large number of definitions for special keys,
+     like function keys, and keys on the numeric keypad.  They are:
+
+     Escape key and modifiers:  EXT, CTRL, SHIFT, ALT.
+
+
+
+
+
+                                                                             1
+
+
+
+KEYMAP(5)                 Minix Programmer's Manual                  KEYMAP(5)
+
+
+     Numeric keypad keys:  HOME, END, UP, DOWN, LEFT, RIGHT, PGUP,  PGDN,  MID
+     (numeric '5'), PLUS, INSRT.
+
+     ALT + numpad key:  AHOME, AEND, ..., AINSRT.
+
+     CTRL + numpad:  CHOME, CEND, ..., CINSRT.
+
+     Lock keys:  CALOCK (Caps Lock), NLOCK (Num Lock), SLOCK (Scroll Lock).
+
+     Function keys:  F1, ..., F12.
+
+     ALT - function key:  AF1, ..., AF12.
+
+     CTRL - function key:  CF1, ..., CF12.
+
+     SHIFT - function key:  SF1, ..., SF12.
+
+     ALT - SHIFT - function key:  ASF1, ..., ASF12.
+
+     There is one key definition that isn't  a  key  at  all:   EXTKEY.   This
+     keycode  is sent by the keyboard as an indicator that the next keycode is
+     special.  For instance both ALT keys have the same keycode, but the right
+     ALT key is sent by the keyboard preceded by the EXTKEY keycode.  The same
+     is true for the '/' key on the numeric pad versus the other  '/'  key  on
+     the  US  keyboard.   (On  other  keyboards  this key may have a different
+     symbol.)  The keyboard driver knows that a different key is presses if it
+     is preceded by EXTKEY.
+
+  Creating/changing keyboard mapping
+     You can create your own keyboard mapping by copying one of  the  existing
+     keymap  source  files  (Standard Minix:  kernel/keymaps/*.src, Minix-vmd:
+     kernel/ibm/keymaps/*.src) and modifying the desired keys. Once  this  has
+     been  done,  you  need to recompile the genmap.c file, either by adding a
+     new entry to the Makefile, or by running the following commands:
+
+          cc -DKEYSRC=\"keymap.src\" genmap.c
+
+     After this, the keymap file can be generated by running:
+
+          a.out > keymap.map
+
+     The keymap can be loaded in the keyboard driver by:
+
+          loadkeys keymap.map
+
+     It is wise to first run loadkeys on one of the maps  in  /usr/lib/keymaps
+     so  that  you can easily revert back to a known keymap with a few taps on
+     the up-arrow key and pressing return.  You will otherwise have to fix the
+     keymap  with a faulty keymap loaded into the keyboard driver, which is no
+     fun.
+
+
+                                                                             2
+
+
+
+KEYMAP(5)                 Minix Programmer's Manual                  KEYMAP(5)
+
+
+     When the keymap is to your satisfaction you can copy it to /etc/keymap to
+     have it loaded automatically at reboot.
+
+FILES
+
+     /etc/keymap    Default keymap file
+
+SEE ALSO
+     loadkeys (1).
+
+AUTHOR
+     Victor A. Rodriguez - El bit Fantasma (Bit-Man@Tasa.Com.AR)
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+                                                                             3
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