KOI-8

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KOI-8 (КОИ-8) is a 8-bit character set standardized in GOST 19768-74[1][2] It is an extension of KOI-7 which allows to use the Latin alphabet along with the Russian alphabet, both the upper and lower case letters, however, the letter Ё/ё and the uppercase Ъ are missed, the latter to avoid conflicts with the delete character. The first 127 code points are identical to ASCII with the exception of the dollar sign $ (code point 24hex) replaced by the universal currency sign ¤. The rows x8_ and x9_ (code points 128–159) might be filled with the additional control characters from EBCDIC (code points 32–63).

This standard has become the base for the later Internet standards such as KOI8-R, KOI8-U, KOI8-RU and all the other derivatives.

Character set

The following table shows the KOI-8 encoding. Each character is shown with its equivalent Unicode code point and its decimal code point.

KOI-8[3]
_0 _1 _2 _3 _4 _5 _6 _7 _8 _9 _A _B _C _D _E _F
0_ Template:Chset-color-ctrl|NUL
0000
0
Template:Chset-color-ctrl|SOH
0001
1
Template:Chset-color-ctrl|STX
0002
2
Template:Chset-color-ctrl|ETX
0003
3
Template:Chset-color-ctrl|EOT
0004
4
Template:Chset-color-ctrl|ENQ
0005
5
Template:Chset-color-ctrl|ACK
0006
6
Template:Chset-color-ctrl|BEL
0007
7
Template:Chset-color-ctrl|BS
0008
8
Template:Chset-color-ctrl|HT
0009
9
Template:Chset-color-ctrl|LF
000A
10
Template:Chset-color-ctrl|VT
000B
11
Template:Chset-color-ctrl|FF
000C
12
Template:Chset-color-ctrl|CR
000D
13
Template:Chset-color-ctrl-var|SO
000E
14
Template:Chset-color-ctrl-var|SI
000F
15
1_ Template:Chset-color-ctrl|DLE
0010
16
Template:Chset-color-ctrl|DC1
0011
17
Template:Chset-color-ctrl|DC2
0012
18
Template:Chset-color-ctrl|DC3
0013
19
Template:Chset-color-ctrl|DC4
0014
20
Template:Chset-color-ctrl|NAK
0015
21
Template:Chset-color-ctrl|SYN
0016
22
Template:Chset-color-ctrl|ETB
0017
23
Template:Chset-color-ctrl|CAN
0018
24
Template:Chset-color-ctrl|EM
0019
25
Template:Chset-color-ctrl|SUB
001A
26
Template:Chset-color-ctrl|ESC
001B
27
Template:Chset-color-ctrl|FS
001C
28
Template:Chset-color-ctrl|GS
001D
29
Template:Chset-color-ctrl|RS
001E
30
Template:Chset-color-ctrl|US
001F
31
2_ Template:Chset-color-punct|SP
0020
32
Template:Chset-color-punct|!
0021
33
Template:Chset-color-punct|"
0022
34
Template:Chset-color-punct|#
0023
35
Template:Chset-color-punct|¤
00A4
36
Template:Chset-color-punct|%
0025
37
Template:Chset-color-punct|&
0026
38
Template:Chset-color-punct|'
0027
39
Template:Chset-color-punct|(
0028
40
Template:Chset-color-punct|)
0029
41
Template:Chset-color-punct|*
002A
42
Template:Chset-color-punct|+
002B
43
Template:Chset-color-punct|,
002C
44
Template:Chset-color-punct|-
002D
45
Template:Chset-color-punct|.
002E
46
Template:Chset-color-punct|/
002F
47
3_ Template:Chset-color-digit|0
0030
48
Template:Chset-color-digit|1
0031
49
Template:Chset-color-digit|2
0032
50
Template:Chset-color-digit|3
0033
51
Template:Chset-color-digit|4
0034
52
Template:Chset-color-digit|5
0035
53
Template:Chset-color-digit|6
0036
54
Template:Chset-color-digit|7
0037
55
Template:Chset-color-digit|8
0038
56
Template:Chset-color-digit|9
0039
57
Template:Chset-color-punct|:
003A
58
Template:Chset-color-punct|;
003B
59
Template:Chset-color-punct|<
003C
60
Template:Chset-color-punct|=
003D
61
Template:Chset-color-punct|>
003E
62
Template:Chset-color-punct|?
003F
63
4_ Template:Chset-color-punct|@
0040
64
Template:Chset-color-alpha|A
0041
65
Template:Chset-color-alpha|B
0042
66
Template:Chset-color-alpha|C
0043
67
Template:Chset-color-alpha|D
0044
68
Template:Chset-color-alpha|E
0045
69
Template:Chset-color-alpha|F
0046
70
Template:Chset-color-alpha|G
0047
71
Template:Chset-color-alpha|H
0048
72
Template:Chset-color-alpha|I
0049
73
Template:Chset-color-alpha|J
004A
74
Template:Chset-color-alpha|K
004B
75
Template:Chset-color-alpha|L
004C
76
Template:Chset-color-alpha|M
004D
77
Template:Chset-color-alpha|N
004E
78
Template:Chset-color-alpha|O
004F
79
5_ Template:Chset-color-alpha|P
0050
80
Template:Chset-color-alpha|Q
0051
81
Template:Chset-color-alpha|R
0052
82
Template:Chset-color-alpha|S
0053
83
Template:Chset-color-alpha|T
0054
84
Template:Chset-color-alpha|U
0055
85
Template:Chset-color-alpha|V
0056
86
Template:Chset-color-alpha|W
0057
87
Template:Chset-color-alpha|X
0058
88
Template:Chset-color-alpha|Y
0059
89
Template:Chset-color-alpha|Z
005A
90
Template:Chset-color-punct|[
005B
91
Template:Chset-color-punct|\
005C
92
Template:Chset-color-punct|]
005D
93
Template:Chset-color-punct|^
005E
94
Template:Chset-color-punct|_
005F
95
6_ Template:Chset-color-punct|`
0060
96
Template:Chset-color-alpha|a
0061
97
Template:Chset-color-alpha|b
0062
98
Template:Chset-color-alpha|c
0063
99
Template:Chset-color-alpha|d
0064
100
Template:Chset-color-alpha|e
0065
101
Template:Chset-color-alpha|f
0066
102
Template:Chset-color-alpha|g
0067
103
Template:Chset-color-alpha|h
0068
104
Template:Chset-color-alpha|i
0069
105
Template:Chset-color-alpha|j
006A
106
Template:Chset-color-alpha|k
006B
107
Template:Chset-color-alpha|l
006C
108
Template:Chset-color-alpha|m
006D
109
Template:Chset-color-alpha|n
006E
110
Template:Chset-color-alpha|o
006F
111
7_ Template:Chset-color-alpha|p
0070
112
Template:Chset-color-alpha|q
0071
113
Template:Chset-color-alpha|r
0072
114
Template:Chset-color-alpha|s
0073
115
Template:Chset-color-alpha|t
0074
116
Template:Chset-color-alpha|u
0075
117
Template:Chset-color-alpha|v
0076
118
Template:Chset-color-alpha|w
0077
119
Template:Chset-color-alpha|x
0078
120
Template:Chset-color-alpha|y
0079
121
Template:Chset-color-alpha|z
007A
122
Template:Chset-color-punct|{
007B
123
Template:Chset-color-punct||
007C
124
Template:Chset-color-punct|}
007D
125
Template:Chset-color-punct|~
007E
126
Template:Chset-color-ctrl|DEL
007F
127
8_ Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef|
9_ Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef|
A_ Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef|
B_ Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef| Template:Chset-color-undef|
C_ Template:Chset-color-intl|ю
044E
192
Template:Chset-color-intl|а
0430
193
Template:Chset-color-intl|б
0431
194
Template:Chset-color-intl|ц
0446
195
Template:Chset-color-intl|д
0434
196
Template:Chset-color-intl|е
0435
197
Template:Chset-color-intl|ф
0444
198
Template:Chset-color-intl|г
0433
199
Template:Chset-color-intl|х
0445
200
Template:Chset-color-intl|и
0438
201
Template:Chset-color-intl|й
0439
202
Template:Chset-color-intl|к
043A
203
Template:Chset-color-intl|л
043B
204
Template:Chset-color-intl|м
043C
205
Template:Chset-color-intl|н
043D
206
Template:Chset-color-intl|о
043E
207
D_ Template:Chset-color-intl|п
043F
208
Template:Chset-color-intl|я
044F
209
Template:Chset-color-intl|р
0440
210
Template:Chset-color-intl|с
0441
211
Template:Chset-color-intl|т
0442
212
Template:Chset-color-intl|у
0443
213
Template:Chset-color-intl|ж
0436
214
Template:Chset-color-intl|в
0432
215
Template:Chset-color-intl|ь
044C
216
Template:Chset-color-intl|ы
044B
217
Template:Chset-color-intl|з
0437
218
Template:Chset-color-intl|ш
0448
219
Template:Chset-color-intl|э
044D
220
Template:Chset-color-intl|щ
0449
221
Template:Chset-color-intl|ч
0447
222
Template:Chset-color-intl|ъ
044A
223
E_ Template:Chset-color-intl|Ю
042E
224
Template:Chset-color-intl|А
0410
225
Template:Chset-color-intl|Б
0411
226
Template:Chset-color-intl|Ц
0426
227
Template:Chset-color-intl|Д
0414
228
Template:Chset-color-intl|Е
0415
229
Template:Chset-color-intl|Ф
0424
230
Template:Chset-color-intl|Г
0413
231
Template:Chset-color-intl|Х
0425
232
Template:Chset-color-intl|И
0418
233
Template:Chset-color-intl|Й
0419
234
Template:Chset-color-intl|К
041A
235
Template:Chset-color-intl|Л
041B
236
Template:Chset-color-intl|М
041C
237
Template:Chset-color-intl|Н
041D
238
Template:Chset-color-intl|О
041E
239
F_ Template:Chset-color-intl|П
041F
240
Template:Chset-color-intl|Я
042F
241
Template:Chset-color-intl|Р
0420
242
Template:Chset-color-intl|С
0421
243
Template:Chset-color-intl|Т
0422
244
Template:Chset-color-intl|У
0423
245
Template:Chset-color-intl|Ж
0416
246
Template:Chset-color-intl|В
0412
247
Template:Chset-color-intl|Ь
042C
248
Template:Chset-color-intl|Ы
042B
249
Template:Chset-color-intl|З
0417
250
Template:Chset-color-intl|Ш
0428
251
Template:Chset-color-intl|Э
042D
252
Template:Chset-color-intl|Щ
0429
253
Template:Chset-color-intl|Ч
0427
254
Template:Chset-color-undef|
_0 _1 _2 _3 _4 _5 _6 _7 _8 _9 _A _B _C _D _E _F

See also

References

  1. ^ Template:Ru icon ГОСТ 19768-74 (СТ СЭВ 358-76). Машины вычислительные и система обработки данных. Коды 8-битные для обмена и обработки информации.
  2. ^ Template:Ru icon Маркелова Л. Н. Эксплуатация программоуправляемой вычислительной машины «Искра 226». — М.: Машиностроение, 1987. — С. 41—42.
  3. ^ "Locale::RecodeData::KOI_8 - search.cpan.org". search.cpan.org.
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