Int 21 Fn 6602 - Dos 3.3+ - Set Global Code Page Table [D]
AX = 6602h
BX = active code page (see #1446)
DX = system code page (active page at boot time)
Return: CF set on error
AX = error code (see #1366 at AH=59h/BX=0000h)
CF clear if successful
AX = EB41h (Novell NWDOS v7.0 when NLSFUNC not installed and
request was for previously-active code page)
See Also: AX=6601h,INT 2F/AX=14FFh
(Table 1446)
Values for code page:
0 Reduced 7-bit ASCII [NetWare]
37 EBCDIC: US/Canada English (CECP) [Windows NT 3.51+]
38 EBCDIC: International (old)
111 Greek
112 Turkish
113 Yugoslavian
161 Arabic [Linux]
162 Arabic [Linux]
163 Arabic [Linux]
164 Arabic [Linux]
165 Arabic [Linux]
237 EBCDIC: Germany (CECP)
273 EBCDIC: ??? (CECP)
274 EBCDIC: Belgium
275 EBCDIC: Brazilian
277 EBCDIC: Danish/Norwegian (CECP)
278 EBCDIC: Finnish/Swedish (CECP)
280 EBCDIC: Italian (CECP)
281 EBCDIC: Japanese-E
284 EBCDIC: Latin-American/Spanish (CECP)
285 EBCDIC: UK English (CECP)
290 EBCDIC: Japanese Kana
297 EBCDIC: French (CECP)
367 US-ASCII (ISO 646-US, 7-bit)
420 EBCDIC: Arabic 1
423 EBCDIC: Greek
424 EBCDIC: Hebrew
437 US / English / PC-8 / IBM-2
500 EBCDIC: Belgium/Switzerland (CECP)
500 EBCDIC: International
646 (??? reserved for ISO 646 7-bit codepages)
667 Eastern Europe (Polish)
668 Eastern Europe (Slavic)
708 Arabic/Middle East
737 Greek (2)
775 Baltic / Baltic Rim
819 Latin-1 (ISO 8859-1)
850 Multilingual (Latin-1)
851 Greek
852 Slavic/Easter Europe (Latin-2) [DOS 5+]
853 Turkish (Latin-2)
854 Spanish
855 Cyrilic (1)
857 Turkish
860 Portugese
861 Icelandic
862 Hebrew
863 French Canadian
864 Arabic/Middle East
865 Nordic (Norwegian/Danish)
866 Russian (Cyrillic 2)
867 Czech
868 Arabic
869 Greek (1)
870 EBCDIC: Yugoslavia (Roece)
871 EBCDIC: Icelandic
874 Thailand
875 EBCDIC: Greek
880 Russian (Cyrillic GOST)
880 EBCDIC: Cyrillic
881 Latin 1 (ISO 8859-1)
882 Latin 2 (ISO 8859-2)
883 Latin 3 (ISO 8859-3)
884 Latin 4 (ISO 8859-4)
885 Latin 5 (ISO 8859-5)
891 unknown
897 Japanese (Shift-JIS)
903 unknown
904 unknown
905 EBCDIC: Turkish
912 Latin 2 (ISO 8859-2: Eastern Europe)
913 (??? reserved for Latin 3)
914 (??? reserved for Latin 4)
915 Cyrillic (ISO 8859-5: Latin/Cyrillic)
916 (??? reserved for ISO 8859-6: Latin/Arabic)
917 (??? reserved for ISO 8859-7: Latin/Greek)
918 EBCDIC: Arabic 2
919 (??? reserved for ISO 8859-9: Latin 5)
920 (??? reserved for ISO 8859-10: Latin 6/Sami)
932 DBCS: Japanese (Shift-JIS)
934 DBCS: Korean
936 DBCS: Chinese (PRC/ROC, Simplified/xGB)
938 DBCS: Taiwan
938 DBCS: Chinese (PRC/ROC)
942 DBCS: Japanese SAA
944 DBCS: Korean SAA
948 DBCS: Chinese SAA (PRC/ROC)
949 Korean (Unified Hangul; Extended Wansung)
950 Chinese Traditional, Big5 (Taiwan, Hong Kong)
966 Saudi Arabian
972 Hebrew (Israeli VT100)
999 reserved for user-definable codepages
1004 Desktop Publishing
1026 EBCDIC: Turkish (Latin 5)
1047 EBCDIC: International (CECP, de-facto EBCDIC-US)
1250 MSWIN: Eastern Europe (Latin 2)
1251 MSWIN: Cyrillic
1252 MSWIN: English/W. Europe/Standard (Latin 1)
1253 MSWIN: Greek (GRC)
1254 MSWIN: Turkish
1255 MSWIN: Hebrew
1256 MSWIN: Arabic
1257 MSWIN: Baltic (Estonian, Latvian, Lithuanian)
1258 MSWIN: Vietnamese
1361 ANSI???: Korean (Johab)
10000 MAC: International/Standard (Roman)
10006 MAC: Greek
10007 MAC: Cyrillic
10029 MAC: Latin 2
10079 MAC: Icelandic
10081 MAC: Turkish
10646 (should be reserved for the future ISO 10646 32-bit codepage???)
65400 OS/2: reserved for Glyphs
Notes: not all code pages are available in all versions of DOS or
DOS-compatibles, and many (particularly EBCDIC) have not been
implemented for *any* DOS to date
CECP = 'Country Extended CodePage' by IBM.
Unicode (UCS-2) is a 16-bit character codeset, covering all commonly
used characters from almost any language. Not all definitions are
fixed at the time of this writing. Unicode will be the future of
character coding for the foreseeable future, but is only the
"basic multilingual plane" (BMP) subset of 32-bit ISO 10646 codes
(UCS-4), a single character set standard covering requirements for
all countries and languages, which is still under construction.
The MS Windows 'ANSI' codepage 1252 (based on the MS Windows 3.0+
implementation) appears to be 100% compatible with the code sets
used by Amiga OS and Acorn Archimedes RISC-OS and is also a linear
subset of the 16bit UniCode code set (UCS-2); the actual ANSI
codepage is defined by ISO 8859-1 (Latin 1).
At least applications for OS/2 Warp 3 Presentation Manager can use
EBCDIC codepages, but the codepage ID assignments for EBCDIC
codepages are not known for OS/2. OS/2 SAA codepages are not
supported in CONFIG.SYS. Codepage 65400 "Glyphs" is not actually a
codepage, but a way to directly access the first 256 of the 383
glyphs from the current font set.
Novell DOS 7/DR DOS 6/Caldera OpenDOS undocumented codepage 853
does not necessarily match with MS-DOS' undocumented codepage 853.
Undocumented codepages 667 and 668 can be found in Russian's PTS/DOS
6.51 and S/DOS 1.x DISPLAY.CPI and contain some Eastern European
characters.
Novell NetWare 3.xx clients support UniCode and codepages 437, 850,
860, 863, 865, 897, 932, and 1252 (possibly more). NetWare 4.xx
clients also support 1250, 1251, 1256. Personal NetWare 1.0 (PNW),
as it was distributed in Europe, supports UniCode and codepages 437,
850 and 1252. Novell's Client32 for DOS/Windows supports 874, 932,
936, 949, 950, 1250 - 1257. For codesets not yet available, Novell
offers a reduced ASCII 7-bit support through a codepage 0 used as a
translation table to UniCode, that supports characters 32-127 except
92 ('\').
Format of DOS .CPI (Code Page Information) file header:
Offset Size Description (Table 1447)
00h BYTE ID tag
FFh FONT file (Standard for generic display or
printer font files used by MS-DOS, PC-DOS, DR DOS
and Novell DOS)
7Fh DRFONT file (Used by DR DOS 6.0 / Novell DOS 7 for
enhanced & compressed display font files. DR DOS 6.0
and Novell DOS 7 still support the standard FONT
files, thus allowing leaning of .CPI files from
MS-DOS to DR DOS / Novell DOS!)
01h 7 BYTEs ID string
"FONT " = FONT file (Standard for display or printer)
"DRFONT " = DRFONT file (Enhanced compressed format used
by DR DOS 6.0 / Novell DOS 7 for display fonts)
08h 8 BYTEs reserved (0)
10h WORD number of pointers (1)
12h BYTE type of pointers (1)
13h DWORD pointer to file offset of FontInfoHeader
(Generally pointing to the byte just after FontFileHeader,
that is 0000h:0017h. Due to extra data at offset 17h, this
value has changed with DR DOS 6.0 / Novell DOS 7 DRFONTs!
"MS-DOS 4.0 programmers reference" claimed word offset
+15h as an endmarker (0000h), but actually it is the
High-Word of the pointer.)
--- Extended FontFileHeader with DR DOS 6.0 / Novell DOS 7 DRFONTs: ---
17h BYTE number of fonts per codepage supported by this file
(N=4 with both DR DOS 6.0 / Novell DOS 7 DRFONT files)
18h N BYTEs cellsize (Height) of fonts 1..N
the cellsize corresponds with the character boxes height,
but is also the count of bytes used for each of the
characters inside the font data (as currently all fonts
are organized heightx8 and 8 pixel width is just one byte).
var N DWORDs file offsets of DisplayFontData.
Format of DOS .CPI file Font Information Header:
Offset Size Description (Table 1448)
00h WORD number of codepage entries
var N codepage entry headers (see #1449)
See Also: #1447
Format of DOS .CPI file CodePage Entry Header:
Offset Size Description (Table 1449)
00h WORD size of this header (normally 1Ch)
02h DWORD offset of next entry, or 0000h:0000h or FFFFh:FFFFh if last
(if a valid "next" pointer but all of the fonts indicated in
the .CPI header have been processed, this field normally
points at an optional text area at the end of the .CPI file
containing copyright information)
06h WORD device type
01h display (FONT or DRFONT)
02h printer (FONT)
08h 8 BYTEs blank-padded device name string
10h WORD code page (see #1446)
12h 3 WORDs reserved (0)
18h DWORD pointer to Font Data Header (see #0154)
normally immediately follows this header
See Also: #1447
Format of DOS .CPI file Font Data Header:
Offset Size Description (Table 1450)
00h WORD record type
0001h FONT
0002h DRFONT (DR DOS 6.0/Novell DOS 7 display font)
02h WORD number of fonts
04h WORD length of font data (display fonts)
??? (printer fonts)
06h var font data (#fonts * fontlength) bytes
See Also: #1447
Format of DOS .CPI file ScreenFONT Header:
Offset Size Description (Table 1451)
00h 6 BYTEs display-font header (see #1453)
06h var display font data
See Also: #1447
Format of .CPI file DRFONT Header:
Offset Size Description (Table 1452)
00h 6N BYTEs DisplayFONT headers for N fonts (see #1453)
M WORDs character index table for cell offsets in font data
currently 256 words in length
See Also: #1447
Format of .CPI file DisplayFONT header:
Offset Size Description (Table 1453)
00h BYTE height of character cell
01h BYTE width of character cell (currently always 08h)
02h BYTE aspect ratio (height) (currently 00h, unused)
03h BYTE aspect ratio (width) (currently 00h, unused)
04h WORD number of characters per font (256)
See Also: #1447
Format of .CPI file PrinterFONT header:
Offset Size Description (Table 1454)
00h WORD type of printer
0001h (4201.CPI, 1050.CPI, EPS.CPI)
0002h (4208.CPI, 5202.CPI, PPDS.CPI)
02h WORD bytes per hardware/download codepage-select escape sequence
(max 31, typically 12)
04h N BYTEs escape sequence to select hardware codepage
N BYTEs escape sequence to select download codepage
var download data for printer font (including escape sequence to
transfer data)
See Also: #1447