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Multinational Character Set
| MIME / IANA | DEC-MCS |
|---|---|
| Alias(es) | IBM1100, CP1100, WE8DEC, csDECMCS, dec |
| Language(s) | English, various others |
| Extends | US-ASCII |
| Succeeded by | ISO 8859-1, LICS, BraSCII, Cork encoding |
The Multinational Character Set (DMCS or MCS) is a character encoding created in 1983 by Digital Equipment Corporation (DEC) for use in the popular VT220 terminal. It was an 8-bit extension of ASCII that added accented characters, currency symbols, and other character glyphs missing from 7-bit ASCII. It is only one of the code pages implemented for the VT220 National Replacement Character Set (NRCS).[1][2] MCS is registered as IBM code page/CCSID 1100 (Multinational Emulation) since 1992.[3][4] Depending on associated sorting Oracle calls it WE8DEC, N8DEC, DK8DEC, S8DEC, or SF8DEC.[5][6]
Such "extended ASCII" sets were common (the National Replacement Character Set provided sets for more than a dozen European languages), but MCS has the distinction of being the ancestor of ECMA-94 in 1985[7] and ISO 8859-1 in 1987.[8]
The code chart of MCS with ECMA-94, ISO 8859-1 and the first 256 code points of Unicode have many more similarities than differences. In addition to unused code points, differences from ISO 8859-1 are:
| MCS code point | Unicode mapping | Character |
|---|---|---|
| 0xA8 | U+00A4 | ¤ |
| 0xD7 | U+0152 | Π|
| 0xDD | U+0178 | Ÿ |
| 0xF7 | U+0153 | œ |
| 0xFD | U+00FF | ÿ |
- ^ Cite error: The named reference
vt220_prwas invoked but never defined (see the help page). - ^ Cite error: The named reference
TinyTERMwas invoked but never defined (see the help page). - ^ Cite error: The named reference
CP1100was invoked but never defined (see the help page). - ^ "CCSID 1100 information document". Archived from the original on 2014-12-01.
- ^ Cite error: The named reference
Oracle_2002_DECwas invoked but never defined (see the help page). - ^ Cite error: The named reference
Daylight_DECwas invoked but never defined (see the help page). - ^ Cite error: The named reference
ECMA_1985_ECMA94_R1was invoked but never defined (see the help page). - ^ Cite error: The named reference
Czyborra_1998was invoked but never defined (see the help page).
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