VT100 encoding

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VT100
Language(s)English, various others
ClassificationExtended ASCII, Mac OS script
ExtendsASCII

The VT100 code page is a character encoding used to represent text on the Classic Mac OS for compatibility with the VT100 terminal. It encodes 256 characters, the first 128 of which are identical to ASCII, with the remaining characters including mathematical symbols, diacritics, and additional punctuation marks. It is suitable for English and several other Western languages. It is similar to Mac OS Roman, but includes all characters in ISO 8859-1 except for the currency sign (which was superseded by the euro sign), the no-break space, and the soft hyphen. It also includes all characters in DEC Special Graphics (code page 1090), except for the new line and no-break space controls. The VT100 encoding is only used on the VT100 font on the Classic Mac OS, and is not an official Mac OS character encoding.[1]

Codepage layout

The following table shows how characters are encoded in the VT100 character set. Each character is shown with its Unicode equivalent.

VT100
_0 _1 _2 _3 _4 _5 _6 _7 _8 _9 _A _B _C _D _E _F
0_ Template:Chset-color-ctrl|NUL[a]
0000
Template:Chset-color-ctrl|SOH[a]
0001
Template:Chset-color-ctrl|STX[a]
0002
Template:Chset-color-ctrl|ETX[a]
0003
Template:Chset-color-ctrl|EOT[a]
0004
Template:Chset-color-ctrl|ENQ[a]
0005
Template:Chset-color-ctrl|ACK[a]
0006
Template:Chset-color-ctrl|BEL[a]
0007
Template:Chset-color-ctrl|BS[a]
0008
Template:Chset-color-ctrl|HT[a]
0009
Template:Chset-color-ctrl|LF[a]
000A
Template:Chset-color-ctrl|VT[a]
000B
Template:Chset-color-ctrl|FF[a]
000C
Template:Chset-color-ctrl|CR[a]
000D
Template:Chset-color-ctrl|SO[a]
000E
Template:Chset-color-ctrl|SI[a]
000F
1_ Template:Chset-color-ctrl|DLE[a]
0010
Template:Chset-color-ctrl|DC1[a]
0011
Template:Chset-color-ctrl|DC2[a]
0012
Template:Chset-color-ctrl|DC3[a]
0013
Template:Chset-color-ctrl|DC4[a]
0014
Template:Chset-color-ctrl|NAK[a]
0015
Template:Chset-color-ctrl|SYN[a]
0016
Template:Chset-color-ctrl|ETB[a]
0017
Template:Chset-color-ctrl|CAN[a]
0018
Template:Chset-color-ctrl|EM[a]
0019
Template:Chset-color-ctrl|SUB[a]
001A
Template:Chset-color-ctrl|ESC[a]
001B
Template:Chset-color-ctrl|FS[a]
001C
Template:Chset-color-ctrl|GS[a]
001D
Template:Chset-color-ctrl|RS[a]
001E
Template:Chset-color-ctrl|US[a]
001F
2_ Template:Chset-color-misc|SP[a]
0020
Template:Chset-color-punct|!
0021
Template:Chset-color-punct|"
0022
Template:Chset-color-punct|#
0023
Template:Chset-color-graph|$
0024
Template:Chset-color-punct|%
0025
Template:Chset-color-punct|&
0026
Template:Chset-color-punct|'
0027
Template:Chset-color-punct|(
0028
Template:Chset-color-punct|)
0029
Template:Chset-color-punct|*
002A
Template:Chset-color-graph|+
002B
Template:Chset-color-punct|,
002C
Template:Chset-color-punct|-
002D
Template:Chset-color-punct|.
002E
Template:Chset-color-punct|/
002F
3_ Template:Chset-color-digit|0
0030
Template:Chset-color-digit|1
0031
Template:Chset-color-digit|2
0032
Template:Chset-color-digit|3
0033
Template:Chset-color-digit|4
0034
Template:Chset-color-digit|5
0035
Template:Chset-color-digit|6
0036
Template:Chset-color-digit|7
0037
Template:Chset-color-digit|8
0038
Template:Chset-color-digit|9
0039
Template:Chset-color-punct|:
003A
Template:Chset-color-punct|;
003B
Template:Chset-color-graph|<
003C
Template:Chset-color-graph|=
003D
Template:Chset-color-graph|>
003E
Template:Chset-color-punct|?
003F
4_ Template:Chset-color-punct|@
0040
Template:Chset-color-letter|A
0041
Template:Chset-color-letter|B
0042
Template:Chset-color-letter|C
0043
Template:Chset-color-letter|D
0044
Template:Chset-color-letter|E
0045
Template:Chset-color-letter|F
0046
Template:Chset-color-letter|G
0047
Template:Chset-color-letter|H
0048
Template:Chset-color-letter|I
0049
Template:Chset-color-letter|J
004A
Template:Chset-color-letter|K
004B
Template:Chset-color-letter|L
004C
Template:Chset-color-letter|M
004D
Template:Chset-color-letter|N
004E
Template:Chset-color-letter|O
004F
5_ Template:Chset-color-letter|P
0050
Template:Chset-color-letter|Q
0051
Template:Chset-color-letter|R
0052
Template:Chset-color-letter|S
0053
Template:Chset-color-letter|T
0054
Template:Chset-color-letter|U
0055
Template:Chset-color-letter|V
0056
Template:Chset-color-letter|W
0057
Template:Chset-color-letter|X
0058
Template:Chset-color-letter|Y
0059
Template:Chset-color-letter|Z
005A
Template:Chset-color-punct|[
005B
Template:Chset-color-punct|\
005C
Template:Chset-color-punct|]
005D
Template:Chset-color-graph|^
005E
Template:Chset-color-punct|_
005F
6_ Template:Chset-color-graph|`
0060
Template:Chset-color-letter|a
0061
Template:Chset-color-letter|b
0062
Template:Chset-color-letter|c
0063
Template:Chset-color-letter|d
0064
Template:Chset-color-letter|e
0065
Template:Chset-color-letter|f
0066
Template:Chset-color-letter|g
0067
Template:Chset-color-letter|h
0068
Template:Chset-color-letter|i
0069
Template:Chset-color-letter|j
006A
Template:Chset-color-letter|k
006B
Template:Chset-color-letter|l
006C
Template:Chset-color-letter|m
006D
Template:Chset-color-letter|n
006E
Template:Chset-color-letter|o
006F
7_ Template:Chset-color-letter|p
0070
Template:Chset-color-letter|q
0071
Template:Chset-color-letter|r
0072
Template:Chset-color-letter|s
0073
Template:Chset-color-letter|t
0074
Template:Chset-color-letter|u
0075
Template:Chset-color-letter|v
0076
Template:Chset-color-letter|w
0077
Template:Chset-color-letter|x
0078
Template:Chset-color-letter|y
0079
Template:Chset-color-letter|z
007A
Template:Chset-color-punct|{
007B
Template:Chset-color-graph||
007C
Template:Chset-color-punct|}
007D
Template:Chset-color-graph|~
007E
Template:Chset-color-ctrl|DEL[a]
007F
8_ Template:Chset-color-letter|Ä
00C4
Template:Chset-color-letter|Å
00C5
Template:Chset-color-letter|Ç
00C7
Template:Chset-color-letter|É
00C9
Template:Chset-color-letter|Ñ
00D1
Template:Chset-color-letter|Ö
00D6
Template:Chset-color-letter|Ü
00DC
Template:Chset-color-letter|á
00E1
Template:Chset-color-letter|à
00E0
Template:Chset-color-letter|â
00E2
Template:Chset-color-letter|ä
00E4
Template:Chset-color-letter|ã
00E3
Template:Chset-color-letter|å
00E5
Template:Chset-color-letter|ç
00E7
Template:Chset-color-letter|é
00E9
Template:Chset-color-letter|è
00E8
9_ Template:Chset-color-letter|ê
00EA
Template:Chset-color-letter|ë
00EB
Template:Chset-color-letter|í
00ED
Template:Chset-color-letter|ì
00EC
Template:Chset-color-letter|î
00EE
Template:Chset-color-letter|ï
00EF
Template:Chset-color-letter|ñ
00F1
Template:Chset-color-letter|ó
00F3
Template:Chset-color-letter|ò
00F2
Template:Chset-color-letter|ô
00F4
Template:Chset-color-letter|ö
00F6
Template:Chset-color-letter|õ
00F5
Template:Chset-color-letter|ú
00FA
Template:Chset-color-letter|ù
00F9
Template:Chset-color-letter|û
00FB
Template:Chset-color-letter|ü
00FC
A_ Template:Chset-color-letter|Ý
00DD
Template:Chset-color-graph|°
00B0
Template:Chset-color-graph|¢
00A2[b]
Template:Chset-color-graph|£
00A3[b]
Template:Chset-color-punct|§
00A7
Template:Chset-color-graph|¸
00B8
Template:Chset-color-punct|
00B6
Template:Chset-color-letter|ß
00DF
Template:Chset-color-graph|®
00AE
Template:Chset-color-graph|©
00A9[b]
Template:Chset-color-graph|
2122
Template:Chset-color-graph|´
00B4
Template:Chset-color-graph|¨
00A8
Template:Chset-color-graph|
2260
Template:Chset-color-letter|Æ
00C6
Template:Chset-color-letter|Ø
00D8
B_ Template:Chset-color-graph|×
00D7
Template:Chset-color-graph|±
00B1[b]
Template:Chset-color-graph|
2264
Template:Chset-color-graph|
2265
Template:Chset-color-graph|¥
00A5
Template:Chset-color-letter|µ
00B5[b]
Template:Chset-color-digit|¹
00B9
Template:Chset-color-digit|²
00B2
Template:Chset-color-digit|³
00B3
Template:Chset-color-letter|π
03C0
Template:Chset-color-graph|¦
00A6
Template:Chset-color-letter|ª
00AA
Template:Chset-color-letter|º
00BA
Template:Chset-color-graph|
2592
Template:Chset-color-letter|æ
00E6
Template:Chset-color-letter|ø
00F8
C_ Template:Chset-color-punct|¿
00BF
Template:Chset-color-punct|¡
00A1
Template:Chset-color-graph|¬
00AC
Template:Chset-color-digit|½
00BD
Template:Chset-color-letter|ƒ
0192
Template:Chset-color-digit|¼
00BC
Template:Chset-color-digit|¾
00BE
Template:Chset-color-punct|«
00AB
Template:Chset-color-punct|»
00BB
Template:Chset-color-punct|
2026
Template:Chset-color-misc|[c]
FFFD
Template:Chset-color-letter|À
00C0
Template:Chset-color-letter|Ã
00C3
Template:Chset-color-letter|Õ
00D5
Template:Chset-color-letter|Œ
0152
Template:Chset-color-letter|œ
0153
D_ Template:Chset-color-punct|
2013
Template:Chset-color-punct|
2014
Template:Chset-color-graph|
2518
Template:Chset-color-graph|
2510
Template:Chset-color-graph|
250C
Template:Chset-color-graph|
2514
Template:Chset-color-graph|÷
00F7
Template:Chset-color-graph|
25C6
Template:Chset-color-letter|ÿ
00FF
Template:Chset-color-letter|Ÿ
0178
Template:Chset-color-graph|
253C
Template:Chset-color-graph|[d]
20AC
Template:Chset-color-letter|Ð
00D0
Template:Chset-color-letter|ð
00F0
Template:Chset-color-letter|Þ
00DE
Template:Chset-color-letter|þ
00FE
E_ Template:Chset-color-letter|ý
00FD
Template:Chset-color-punct|·
00B7
Template:Chset-color-graph|
23BA
Template:Chset-color-graph|
23BB
Template:Chset-color-graph|[e]
2500
Template:Chset-color-letter|Â
00C2
Template:Chset-color-letter|Ê
00CA
Template:Chset-color-letter|Á
00C1
Template:Chset-color-letter|Ë
00CB
Template:Chset-color-letter|È
00C8
Template:Chset-color-letter|Í
00CD
Template:Chset-color-letter|Î
00CE
Template:Chset-color-letter|Ï
00CF
Template:Chset-color-letter|Ì
00CC
Template:Chset-color-letter|Ó
00D3
Template:Chset-color-letter|Ô
00D4
F_ Template:Chset-color-undef| Template:Chset-color-letter|Ò
00D2
Template:Chset-color-letter|Ú
00DA
Template:Chset-color-letter|Û
00DB
Template:Chset-color-letter|Ù
00D9
Template:Chset-color-graph|
23BC
Template:Chset-color-graph|
23BD
Template:Chset-color-graph|
251C
Template:Chset-color-graph|
2524
Template:Chset-color-graph|
2534
Template:Chset-color-graph|
252C
Template:Chset-color-graph|
2502
Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef|

  Letter  Number  Punctuation  Symbol  Other  Undefined

  1. ^ 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 aa ab ac ad ae af ag ah This character is a control, which may or may not be visible.
  2. ^ a b c d e The codes 0xA2, 0xA3, 0xA9, 0xB1, and 0xB5 coincidentally have the same character assignment as ISO 8859-1 (and thus Unicode).
  3. ^ The character 0xCA is the replacement character, which is displayed as a reversed question mark in this encoding.
  4. ^ Before Mac OS 8.5, the character 0xDB mapped to currency sign (¤), Unicode character U+00A4.
  5. ^ The character 0xE4 is the horizontal scan line-5, which is unified with U+2500 in Unicode.

References

  1. ^ "Older Character Sets". whitefiles.org. Retrieved October 3, 2019.