Codepage 437 Encoding and Decoding

Code Page 437 (CP437), also known by several other names such as OEM 437, PC-8, and MS-DOS Latin US, is the original character set of the IBM PC, introduced in 1981.

Code Page 437 (CP437) consists of 256 characters, where the first 128 characters are the same as ASCII. The remaining 128 characters (0x80 to 0xFF) include box-drawing characters, block elements, characters for Western European languages, and other symbols.

The following table displays ASCII control characters:

Decimal	Octal	Hexadecimal	Symbol	Description
0	000	00	␀	Null character
1	001	01	␁	Start of Heading
2	002	02	␂	Start of Text
3	003	03	␃	End of Text
4	004	04	␄	End of Transmission
5	005	05	␅	Enquiry
6	006	06	␆	Acknowledge
7	007	07	␇	Bell, Alert
8	010	08	␈	Backspace
9	011	09	␉	Horizontal Tab
10	012	0A	␊	Line Feed
11	013	0B	␋	Vertical Tabulation
12	014	0C	␌	Form Feed
13	015	0D	␍	Carriage Return
14	016	0E	␎	Shift Out
15	017	0F	␏	Shift In
16	020	10	␐	Data Link Escape
17	021	11	␑	Device Control One (XON)
18	022	12	␒	Device Control Two
19	023	13	␓	Device Control Three (XOFF)
20	024	14	␔	Device Control Four
21	025	15	␕	Negative Acknowledge
22	026	16	␖	Synchronous Idle
23	027	17	␗	End of Transmission Block
24	030	18	␘	Cancel
25	031	19	␙	End of medium
26	032	1A	␚	Substitute
27	033	1B	␛	Escape
28	034	1C	␜	File Separator
29	035	1D	␝	Group Separator
30	036	1E	␞	Record Separator
31	037	1F	␟	Unit Separator

The following table displays ASCII printable characters:

Decimal	Octal	Hexadecimal	Symbol	Description
32	040	20	␠	Space
33	041	21	!	Exclamation mark
34	042	22		Double quotes (or speech marks)
35	043	23	#	Number sign
36	044	24	$	Dollar
37	045	25	%	Per cent sign
38	046	26	&	Ampersand
39	047	27	'	Single quote
40	050	28	(	Open parenthesis (or open bracket)
41	051	29	)	Close parenthesis (or close bracket)
42	052	2A	*	Asterisk
43	053	2B	+	Plus
44	054	2C	,	Comma
45	055	2D	-	Hyphen-minus
46	056	2E	.	Period, dot or full stop
47	057	2F	/	Slash or divide
48	060	30	0	Zero
49	061	31	1	One
50	062	32	2	Two
51	063	33	3	Three
52	064	34	4	Four
53	065	35	5	Five
54	066	36	6	Six
55	067	37	7	Seven
56	070	38	8	Eight
57	071	39	9	Nine
58	072	3A	:	Colon
59	073	3B	;	Semicolon
60	074	3C	<	Less than (or open angled bracket)
61	075	3D	=	Equals
62	076	3E	>	Greater than (or close angled bracket)
63	077	3F	?	Question mark
64	100	40	@	At sign
65	101	41	A	Uppercase A
66	102	42	B	Uppercase B
67	103	43	C	Uppercase C
68	104	44	D	Uppercase D
69	105	45	E	Uppercase E
70	106	46	F	Uppercase F
71	107	47	G	Uppercase G
72	110	48	H	Uppercase H
73	111	49	I	Uppercase I
74	112	4A	J	Uppercase J
75	113	4B	K	Uppercase K
76	114	4C	L	Uppercase L
77	115	4D	M	Uppercase M
78	116	4E	N	Uppercase N
79	117	4F	O	Uppercase O
80	120	50	P	Uppercase P
81	121	51	Q	Uppercase Q
82	122	52	R	Uppercase R
83	123	53	S	Uppercase S
84	124	54	T	Uppercase T
85	125	55	U	Uppercase U
86	126	56	V	Uppercase V
87	127	57	W	Uppercase W
88	130	58	X	Uppercase X
89	131	59	Y	Uppercase Y
90	132	5A	Z	Uppercase Z
91	133	5B	[	Opening bracket
92	134	5C	\	Backslash
93	135	5D	]	Closing bracket
94	136	5E	^	Caret - circumflex
95	137	5F	_	Underscore
96	140	60	`	Grave accent
97	141	61	a	Lowercase a
98	142	62	b	Lowercase b
99	143	63	c	Lowercase c
100	144	64	d	Lowercase d
101	145	65	e	Lowercase e
102	146	66	f	Lowercase f
103	147	67	g	Lowercase g
104	150	68	h	Lowercase h
105	151	69	i	Lowercase i
106	152	6A	j	Lowercase j
107	153	6B	k	Lowercase k
108	154	6C	l	Lowercase l
109	155	6D	m	Lowercase m
110	156	6E	n	Lowercase n
111	157	6F	o	Lowercase o
112	160	70	p	Lowercase p
113	161	71	q	Lowercase q
114	162	72	r	Lowercase r
115	163	73	s	Lowercase s
116	164	74	t	Lowercase t
117	165	75	u	Lowercase u
118	166	76	v	Lowercase v
119	167	77	w	Lowercase w
120	170	78	x	Lowercase x
121	171	79	y	Lowercase y
122	172	7A	z	Lowercase z
123	173	7B	{	Opening brace
124	174	7C	\|	Vertical bar
125	175	7D	}	Closing brace
126	176	7E	~	Equivalency sign - tilde
127	177	7F	␡	Delete

The following table displays box-drawing characters, block elements, characters for Western European languages and other special symbols:

Decimal	Octal	Hexadecimal	Symbol	Description
128	200	80	Ç	Latin capital letter C with cedilla
129	201	81	ü	Latin small letter u with diaeresis
130	202	82	é	Latin small letter e with acute
131	203	83	â	Latin small letter a with circumflex
132	204	84	ä	Latin small letter a with diaeresis
133	205	85	à	Latin small letter a with grave
134	206	86	å	Latin small letter a with ring above
135	207	87	ç	Latin small letter c with cedilla
136	210	88	ê	Latin small letter e with circumflex
137	211	89	ë	Latin small letter e with diaeresis
138	212	8A	è	Latin small letter e with grave
139	213	8B	ï	Latin small letter i with diaeresis
140	214	8C	î	Latin small letter i with circumflex
141	215	8D	ì	Latin small letter i with grave
142	216	8E	Ä	Latin capital letter A with diaeresis
143	217	8F	Å	Latin capital letter A with ring above
144	220	90	É	Latin capital letter E with acute
145	221	91	æ	Latin small letter ae
146	222	92	Æ	Latin capital letter AE
147	223	93	ô	Latin small letter o with circumflex
148	224	94	ö	Latin small letter o with diaeresis
149	225	95	ò	Latin small letter o with grave
150	226	96	û	Latin small letter u with circumflex
151	227	97	ù	Latin small letter u with grave
152	230	98	ÿ	Latin small letter y with diaeresis
153	231	99	Ö	Latin capital letter O with diaeresis
154	232	9A	Ü	Latin capital letter U with diaeresis
155	233	9B	¢	Cent sign
156	234	9C	£	Pound sign
157	235	9D	¥	Yen sign
158	236	9E	₧	Peseta sign
159	237	9F	ƒ	Latin small letter f with hook
160	240	A0	á	Latin small letter a with acute
161	241	A1	í	Latin small letter i with acute
162	242	A2	ó	Latin small letter o with acute
163	243	A3	ú	Latin small letter u with acute
164	244	A4	ñ	Latin small letter n with tilde
165	245	A5	Ñ	Latin capital letter N with tilde
166	246	A6	ª	Feminine ordinal indicator
167	247	A7	º	Masculine ordinal indicator
168	250	A8	¿	Inverted question mark
169	251	A9	⌐	Reversed not sign
170	252	AA	¬	Negation
171	253	AB	½	Fraction one half
172	254	AC	¼	Fraction one quarter
173	255	AD	¡	Inverted exclamation mark
174	256	AE	«	Left double angle quotes
175	257	AF	»	Right double angle quotes
176	260	B0	░	Light shade
177	261	B1	▒	Medium shade
178	262	B2	▓	Dark shade
179	263	B3	│	Box drawings light vertical
180	264	B4	┤	Box drawings light vertical and left
181	265	B5	╡	Box drawings vertical single and left double
182	266	B6	╢	Box drawings vertical double and left single
183	267	B7	╖	Box drawings down double and left single
184	270	B8	╕	Box drawings down single and left double
185	271	B9	╣	Box drawings double vertical and left
186	272	BA	║	Box drawings double vertical
187	273	BB	╗	Box drawings double down and left
188	274	BC	╝	Box drawings double up and left
189	275	BD	╜	Box drawings up double and left single
190	276	BE	╛	Box drawings up single and left double
191	277	BF	┐	Box drawings light down and left
192	300	C0	└	Box drawings light up and right
193	301	C1	┴	Box drawings light up and horizontal
194	302	C2	┬	Box drawings light down and horizontal
195	303	C3	├	Box drawings light vertical and right
196	304	C4	─	Box drawings light horizontal
197	305	C5	┼	Box drawings light vertical and horizontal
198	306	C6	╞	Box drawings vertical single and right double
199	307	C7	╟	Box drawings vertical double and right single
200	310	C8	╚	Box drawings double up and right
201	311	C9	╔	Box drawings double down and right
202	312	CA	╩	Box drawings double up and horizontal
203	313	CB	╦	Box drawings double down and horizontal
204	314	CC	╠	Box drawings double vertical and right
205	315	CD	═	Box drawings double horizontal
206	316	CE	╬	Box drawings double vertical and horizontal
207	317	CF	╧	Box drawings up single and horizontal double
208	320	D0	╨	Box drawings up double and horizontal single
209	321	D1	╤	Box drawings down single and horizontal double
210	322	D2	╥	Box drawings down double and horizontal single
211	323	D3	╙	Box drawings up double and right single
212	324	D4	╘	Box drawings up single and right double
213	325	D5	╒	Box drawings down single and right double
214	326	D6	╓	Box drawings down double and right single
215	327	D7	╫	Box drawings vertical double and horizontal single
216	330	D8	╪	Box drawings vertical single and horizontal double
217	331	D9	┘	Box drawings light up and left
218	332	DA	┌	Box drawings light down and right
219	333	DB	█	Full block
220	334	DC	▄	Lower half block
221	335	DD	▌	Left half block
222	336	DE	▐	Right half block
223	337	DF	▀	Upper half block
224	340	E0	α	Greek small letter alpha
225	341	E1	ß	Latin small letter sharp s - ess-zed
226	342	E2	Γ	Greek capital letter Gamma
227	343	E3	π	Greek small letter pi
228	344	E4	Σ	Greek capital letter Sigma
229	345	E5	σ	Greek small letter sigma
230	346	E6	µ	Micro sign
231	347	E7	τ	Greek small letter tau
232	350	E8	Φ	Greek capital letter Phi
233	351	E9	Θ	Greek capital letter Theta
234	352	EA	Ω	Greek capital letter Omega
235	353	EB	δ	Greek Small Letter Delta
236	354	EC	∞	Infinity
237	355	ED	φ	Greek small letter phi
238	356	EE	ε	Greek small letter epsilon
239	357	EF	∩	Intersection
240	360	F0	≡	Identical to
241	361	F1	±	Plus-or-minus sign
242	362	F2	≥	Greater-than or equal to
243	363	F3	≤	Less-than or equal to
244	364	F4	⌠	Top half integral
245	365	F5	⌡	Bottom half integral
246	366	F6	÷	Division sign
247	367	F7	≈	Almost equal to
248	370	F8	°	Degree sign
249	371	F9	∙	Bullet operator
250	372	FA	·	Middle dot - Georgian comma
251	373	FB	√	Square root
252	374	FC	ⁿ	Superscript latin small letter n
253	375	FD	²	Superscript two - squared
254	376	FE	■	Black square
255	377	FF		Non-breaking space

Codepage 437 Encoding and Decoding

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