MAPSCRN(8)                                            International Support                                           MAPSCRN(8)



NAME
       mapscrn - load screen output mapping table

SYNOPSIS
       mapscrn [-v] [-o map.orig] mapfile

DESCRIPTION
       The  mapscrn command is obsolete - its function is now built-in into setfont.  However, for backwards compatibility it is
       still available as a separate command.

       The mapscrn command loads a user defined output character mapping table into the console driver. The console  driver  may
       be  later  put  into  use  user-defined mapping table mode by outputting a special escape sequence to the console device.
       This sequence is <esc>(K for the G0 character set and <esc>)K for the G1 character set.  When the -o option is given, the
       old map is saved in map.orig.

USE
       There  are  two  kinds  of mapping tables: direct-to-font tables, that give a font position for each user byte value, and
       user-to-unicode tables that give a unicode value for each user byte. The corresponding glyph is now found using the  uni-
       code index of the font.  The command
              mapscrn trivial
       sets  up  a one-to-one direct-to-font table where user bytes directly address the font. This is useful for fonts that are
       in the same order as the character set one uses.  A command like
              mapscrn 8859-2
       sets up a user-to-unicode table that assumes that the user uses ISO 8859-2.

INPUT FORMAT
       The mapscrn command can read the map in either of two formats:
       1. 256 or 512 bytes binary data
       2. two-column text file
       Format (1) is a direct image of the translation table. The 256-bytes tables are direct-to-font, the 512-bytes tables  are
       user-to-unicode  tables.  Format (2) is used to fill the table as follows: cell with offset mentioned in the first column
       is filled with the value mentioned in the second column.  When values larger than 255 occur, or values are written  using
       the U+xxxx notation, the table is assumed to be a user-to-unicode table, otherwise it is a direct-to-font table.

       Values in the file may be specified in one of several formats:
       1. Decimal: String of decimal digits not starting with '0'
       2. Octal: String of octal digits beginning with '0'.
       3. Hexadecimal: String of hexadecimal digits preceded by "0x".
       4. Unicode: String of four hexadecimal digits preceded by "U+".
       5.  Character:  Single  character enclosed in single quotes. (And the binary value is used.)  Note that blank, comma, tab
       character and '#' cannot be specified with this format.
       6. UTF-8 Character: Single (possibly multi-byte) UTF-8 character, enclosed in single quotes.

       Note that control characters (with codes < 32) cannot be re-mapped with mapscrn because they have special meaning for the
       driver.

FILES
       /lib/kbd/consoletrans is the default directory for screen mappings.

SEE ALSO
       setfont(8)

AUTHOR
       Copyright (C) 1993 Eugene G. Crosser
       <crosserATpccross.su>
       This software and documentation may be distributed freely.



Local                                                     20 March 1993                                               MAPSCRN(8)