JIS X 0201

JIS X 0201, a Japanese Industrial Standard developed in 1969 (then called JIS C 6220 until the JIS category reform), was the first Japanese electronic character set to become widely used. It is either 7-bit encoding or 8-bit encoding, although 8-bit encoding is dominant for modern use. The full name of this standard is 7-bit and 8-bit coded character sets for information interchange (7ビット及び8ビットの情報交換用符号化文字集合).

The first 96 codes comprise an ASCII variant, while the second 96 character codes represent the phonetic Japanese katakana signs. Since the encoding does not provide any way to express hiragana or kanji, it is only capable of expressing simplified written Japanese. Nevertheless, it is possible to express, at least phonetically, the full range of sounds in the language. In the 1980s, this was acceptable for media such as text mode computer terminals, telegrams, receipts or other electronically handled data.

JIS X 0201 was supplanted by subsequent encodings such as Shift JIS (which combines this standard and JIS X 0208) and later Unicode.

Implementation details

The first 96 codes in JIS comprise a Japanese variant of ISO 646, or ASCII with backslash (\) and tilde (~) replaced by yen (¥) and overline (‾), while the second 96 codes consist mainly of katakana. Control characters are specified in JIS X 0211.

The substitution of the yen symbol for backslash can make paths on DOS and Windows-based computers with Japanese support display strangely, like "C:¥Program Files¥", for example. Another similar problem is C programming language's control characters of string literals, like printf("Hello, world.¥n");.

Codepage layout

JIS X 0201

	_0	_1	_2	_3	_4	_5	_6	_7	_8	_9	_A	_B	_C	_D	_E	_F
0_
1_
2_	SP 0020 32	! 0021 33	" 0022 34	# 0023 35	$ 0024 36	% 0025 37	& 0026 38	' 0027 39	( 0028 40	) 0029 41	* 002A 42	+ 002B 43	, 002C 44	- 002D 45	. 002E 46	/ 002F 47
3_	0 0030 48	1 0031 49	2 0032 50	3 0033 51	4 0034 52	5 0035 53	6 0036 54	7 0037 55	8 0038 56	9 0039 57	: 003A 58	; 003B 59	< 003C 60	= 003D 61	> 003E 62	? 003F 63
4_	@ 0040 64	A 0041 65	B 0042 66	C 0043 67	D 0044 68	E 0045 69	F 0046 70	G 0047 71	H 0048 72	I 0049 73	J 004A 74	K 004B 75	L 004C 76	M 004D 77	N 004E 78	O 004F 79
5_	P 0050 80	Q 0051 81	R 0052 82	S 0053 83	T 0054 84	U 0055 85	V 0056 86	W 0057 87	X 0058 88	Y 0059 89	Z 005A 90	[ 005B 91	¥ 00A5 92	] 005D 93	^ 005E 94	_ 005F 95
6_	` 0060 96	a 0061 97	b 0062 98	c 0063 99	d 0064 100	e 0065 101	f 0066 102	g 0067 103	h 0068 104	i 0069 105	j 006A 106	k 006B 107	l 006C 108	m 006D 109	n 006E 110	o 006F 111
7_	p 0070 112	q 0071 113	r 0072 114	s 0073 115	t 0074 116	u 0075 117	v 0076 118	w 0077 119	x 0078 120	y 0079 121	z 007A 122	{ 007B 123	| 007C 124	} 007D 125	‾ 203E 126
8_
9_
A_		｡ FF61 161	｢ FF62 162	｣ FF63 163	､ FF64 164	･ FF65 165	ｦ FF66 166	ｧ FF67 167	ｨ FF68 168	ｩ FF69 169	ｪ FF6A 170	ｫ FF6B 171	ｬ FF6C 172	ｭ FF6D 173	ｮ FF6E 174	ｯ FF6F 175
B_	ｰ FF70 176	ｱ FF71 177	ｲ FF72 178	ｳ FF73 179	ｴ FF74 180	ｵ FF75 181	ｶ FF76 182	ｷ FF77 183	ｸ FF78 184	ｹ FF79 185	ｺ FF7A 186	ｻ FF7B 187	ｼ FF7C 188	ｽ FF7D 189	ｾ FF7E 190	ｿ FF7F 191
C_	ﾀ FF80 192	ﾁ FF81 193	ﾂ FF82 194	ﾃ FF83 195	ﾄ FF84 196	ﾅ FF85 197	ﾆ FF86 198	ﾇ FF87 199	ﾈ FF88 200	ﾉ FF89 201	ﾊ FF8A 202	ﾋ FF8B 203	ﾌ FF8C 204	ﾍ FF8D 205	ﾎ FF8E 206	ﾏ FF8F 207
D_	ﾐ FF90 208	ﾑ FF91 209	ﾒ FF92 210	ﾓ FF93 211	ﾔ FF94 212	ﾕ FF95 213	ﾖ FF96 214	ﾗ FF97 215	ﾘ FF98 216	ﾙ FF99 217	ﾚ FF9A 218	ﾛ FF9B 219	ﾜ FF9C 220	ﾝ FF9D 221	ﾞ FF9E 222	ﾟ FF9F 223
E_
F_
	_0	_1	_2	_3	_4	_5	_6	_7	_8	_9	_A	_B	_C	_D	_E	_F

External links

• JIS X 0201 diagram