Universal ASCII–Language Interoperability Master Mapping (0–127)

Phase Link Node · No Gaps, No Skips · Linguistic Commentary Included

Purpose. Establish a canonical, audit-ready mapping from ASCII 0–127 to language units (graphemes, morphemes, lexemes), with etymological anchoring, binary/hex correspondences, and control-code semantics. This is the baseline substrate for interoperable systems across analog/digital stacks, keyboards, operating systems, and protocols.

Scope. 7-bit ASCII only (0–127). Everything appears once; nothing is omitted; nothing is deferred.

How to Read This Map (Zero-Ambiguity Guide)

Dec / Word: Decimal code and its spelled-out English name (0–127).
Hex / Bin7: Canonical hexadecimal (00–7F) and 7-bit binary forms.
Abbrev/Sym & Standard Name: Control abbreviations (e.g., NUL, LF, CR) or printable symbol & name.
Class: Control, Digit, Uppercase/Lowercase Letter, Punctuation/Symbol, Space.
Linguistic Note: The role of the code as a language unit (printable grapheme, non-printing control, delimiter, etc.).

Design rule: Control codes are non-printing and operate at the pragmatic layer (how text behaves), while printable codes are graphemes (what text shows). Together, they form the syntax channel that language rides on.

Full ASCII 0–127 Table (with Language-Unit Commentary)

Dec	Word	Hex	Bin7	Abbrev/Sym	Symbol	Standard Name	Class	Linguistic Note
0	zero	00	0000000	NUL		Null	Control	non-printing control
1	one	01	0000001	SOH		Start of Heading	Control	non-printing control
2	two	02	0000010	STX		Start of Text	Control	non-printing control
3	three	03	0000011	ETX		End of Text	Control	non-printing control
4	four	04	0000100	EOT		End of Transmission	Control	non-printing control
5	five	05	0000101	ENQ		Enquiry	Control	non-printing control
6	six	06	0000110	ACK		Acknowledge	Control	non-printing control
7	seven	07	0000111	BEL		Bell	Control	non-printing control
8	eight	08	0001000	BS		Backspace	Control	non-printing control
9	nine	09	0001001	HT		Horizontal Tab	Control	non-printing control
10	ten	0A	0001010	LF		Line Feed	Control	non-printing control
11	eleven	0B	0001011	VT		Vertical Tab	Control	non-printing control
12	twelve	0C	0001100	FF		Form Feed	Control	non-printing control
13	thirteen	0D	0001101	CR		Carriage Return	Control	non-printing control
14	fourteen	0E	0001110	SO		Shift Out	Control	non-printing control
15	fifteen	0F	0001111	SI		Shift In	Control	non-printing control
16	sixteen	10	0010000	DLE		Data Link Escape	Control	non-printing control
17	seventeen	11	0010001	DC1		Device Control 1	Control	non-printing control
18	eighteen	12	0010010	DC2		Device Control 2	Control	non-printing control
19	nineteen	13	0010011	DC3		Device Control 3	Control	non-printing control
20	twenty	14	0010100	DC4		Device Control 4	Control	non-printing control
21	twenty-one	15	0010101	NAK		Negative Acknowledge	Control	non-printing control
22	twenty-two	16	0010110	SYN		Synchronous Idle	Control	non-printing control
23	twenty-three	17	0010111	ETB		End of Transmission Block	Control	non-printing control
24	twenty-four	18	0011000	CAN		Cancel	Control	non-printing control
25	twenty-five	19	0011001	EM		End of Medium	Control	non-printing control
26	twenty-six	1A	0011010	SUB		Substitute	Control	non-printing control
27	twenty-seven	1B	0011011	ESC		Escape	Control	non-printing control
28	twenty-eight	1C	0011100	FS		File Separator	Control	non-printing control
29	twenty-nine	1D	0011101	GS		Group Separator	Control	non-printing control
30	thirty	1E	0011110	RS		Record Separator	Control	non-printing control
31	thirty-one	1F	0011111	US		Unit Separator	Control	non-printing control
32	thirty-two	20	0100000	SP	␠	Space	Punctuation/Symbol	delimiting grapheme
33	thirty-three	21	0100001	!	!	Exclamation mark	Punctuation/Symbol	delimiting grapheme
34	thirty-four	22	0100010	“	“	Quotation mark	Punctuation/Symbol	delimiting grapheme
35	thirty-five	23	0100011	#	#	Number sign	Punctuation/Symbol	delimiting grapheme
36	thirty-six	24	0100100	$	$	Dollar sign	Punctuation/Symbol	delimiting grapheme
37	thirty-seven	25	0100101	%	%	Percent sign	Punctuation/Symbol	delimiting grapheme
38	thirty-eight	26	0100110	&	&	Ampersand	Punctuation/Symbol	delimiting grapheme
39	thirty-nine	27	0100111	‘	‘	Apostrophe	Punctuation/Symbol	delimiting grapheme
40	forty	28	0101000	(	(	Left parenthesis	Punctuation/Symbol	delimiting grapheme
41	forty-one	29	0101001	)	)	Right parenthesis	Punctuation/Symbol	delimiting grapheme
42	forty-two	2A	0101010	*	*	Asterisk	Punctuation/Symbol	delimiting grapheme
43	forty-three	2B	0101011	+	+	Plus sign	Punctuation/Symbol	delimiting grapheme
44	forty-four	2C	0101100	,	,	Comma	Punctuation/Symbol	delimiting grapheme
45	forty-five	2D	0101101	–	–	Hyphen-minus	Punctuation/Symbol	delimiting grapheme
46	forty-six	2E	0101110	.	.	Full stop / Period	Punctuation/Symbol	delimiting grapheme
47	forty-seven	2F	0101111	/	/	Solidus / Slash	Punctuation/Symbol	delimiting grapheme
48	forty-eight	30	0110000	0	0	Digit 0	Digit	numeral grapheme
49	forty-nine	31	0110001	1	1	Digit 1	Digit	numeral grapheme
50	fifty	32	0110010	2	2	Digit 2	Digit	numeral grapheme
51	fifty-one	33	0110011	3	3	Digit 3	Digit	numeral grapheme
52	fifty-two	34	0110100	4	4	Digit 4	Digit	numeral grapheme
53	fifty-three	35	0110101	5	5	Digit 5	Digit	numeral grapheme
54	fifty-four	36	0110110	6	6	Digit 6	Digit	numeral grapheme
55	fifty-five	37	0110111	7	7	Digit 7	Digit	numeral grapheme
56	fifty-six	38	0111000	8	8	Digit 8	Digit	numeral grapheme
57	fifty-seven	39	0111001	9	9	Digit 9	Digit	numeral grapheme
58	fifty-eight	3A	0111010	:	:	Colon	Punctuation/Symbol	delimiting grapheme
59	fifty-nine	3B	0111011	;	;	Semicolon	Punctuation/Symbol	delimiting grapheme
60	sixty	3C	0111100	<	<	Less-than sign	Punctuation/Symbol	delimiting grapheme
61	sixty-one	3D	0111101	=	=	Equals sign	Punctuation/Symbol	delimiting grapheme
62	sixty-two	3E	0111110	>	>	Greater-than sign	Punctuation/Symbol	delimiting grapheme
63	sixty-three	3F	0111111	?	?	Question mark	Punctuation/Symbol	delimiting grapheme
64	sixty-four	40	1000000	@	@	Commercial at	Punctuation/Symbol	delimiting grapheme
65	sixty-five	41	1000001	A	A	Latin capital letter A	Uppercase letter	alphabetic grapheme
66	sixty-six	42	1000010	B	B	Latin capital letter B	Uppercase letter	alphabetic grapheme
67	sixty-seven	43	1000011	C	C	Latin capital letter C	Uppercase letter	alphabetic grapheme
68	sixty-eight	44	1000100	D	D	Latin capital letter D	Uppercase letter	alphabetic grapheme
69	sixty-nine	45	1000101	E	E	Latin capital letter E	Uppercase letter	alphabetic grapheme
70	seventy	46	1000110	F	F	Latin capital letter F	Uppercase letter	alphabetic grapheme
71	seventy-one	47	1000111	G	G	Latin capital letter G	Uppercase letter	alphabetic grapheme
72	seventy-two	48	1001000	H	H	Latin capital letter H	Uppercase letter	alphabetic grapheme
73	seventy-three	49	1001001	I	I	Latin capital letter I	Uppercase letter	alphabetic grapheme
74	seventy-four	4A	1001010	J	J	Latin capital letter J	Uppercase letter	alphabetic grapheme
75	seventy-five	4B	1001011	K	K	Latin capital letter K	Uppercase letter	alphabetic grapheme
76	seventy-six	4C	1001100	L	L	Latin capital letter L	Uppercase letter	alphabetic grapheme
77	seventy-seven	4D	1001101	M	M	Latin capital letter M	Uppercase letter	alphabetic grapheme
78	seventy-eight	4E	1001110	N	N	Latin capital letter N	Uppercase letter	alphabetic grapheme
79	seventy-nine	4F	1001111	O	O	Latin capital letter O	Uppercase letter	alphabetic grapheme
80	eighty	50	1010000	P	P	Latin capital letter P	Uppercase letter	alphabetic grapheme
81	eighty-one	51	1010001	Q	Q	Latin capital letter Q	Uppercase letter	alphabetic grapheme
82	eighty-two	52	1010010	R	R	Latin capital letter R	Uppercase letter	alphabetic grapheme
83	eighty-three	53	1010011	S	S	Latin capital letter S	Uppercase letter	alphabetic grapheme
84	eighty-four	54	1010100	T	T	Latin capital letter T	Uppercase letter	alphabetic grapheme
85	eighty-five	55	1010101	U	U	Latin capital letter U	Uppercase letter	alphabetic grapheme
86	eighty-six	56	1010110	V	V	Latin capital letter V	Uppercase letter	alphabetic grapheme
87	eighty-seven	57	1010111	W	W	Latin capital letter W	Uppercase letter	alphabetic grapheme
88	eighty-eight	58	1011000	X	X	Latin capital letter X	Uppercase letter	alphabetic grapheme
89	eighty-nine	59	1011001	Y	Y	Latin capital letter Y	Uppercase letter	alphabetic grapheme
90	ninety	5A	1011010	Z	Z	Latin capital letter Z	Uppercase letter	alphabetic grapheme
91	ninety-one	5B	1011011	[	[	Left square bracket	Punctuation/Symbol	delimiting grapheme
92	ninety-two	5C	1011100	\	\	Reverse solidus / Backslash	Punctuation/Symbol	delimiting grapheme
93	ninety-three	5D	1011101	]	]	Right square bracket	Punctuation/Symbol	delimiting grapheme
94	ninety-four	5E	1011110	^	^	Circumflex accent	Punctuation/Symbol	delimiting grapheme
95	ninety-five	5F	1011111	_	_	Low line / Underscore	Punctuation/Symbol	delimiting grapheme
96	ninety-six	60	1100000	`	`	Grave accent	Punctuation/Symbol	delimiting grapheme
97	ninety-seven	61	1100001	a	a	Latin small letter a	Lowercase letter	alphabetic grapheme
98	ninety-eight	62	1100010	b	b	Latin small letter b	Lowercase letter	alphabetic grapheme
99	ninety-nine	63	1100011	c	c	Latin small letter c	Lowercase letter	alphabetic grapheme
100	one hundred	64	1100100	d	d	Latin small letter d	Lowercase letter	alphabetic grapheme
101	one hundred one	65	1100101	e	e	Latin small letter e	Lowercase letter	alphabetic grapheme
102	one hundred two	66	1100110	f	f	Latin small letter f	Lowercase letter	alphabetic grapheme
103	one hundred three	67	1100111	g	g	Latin small letter g	Lowercase letter	alphabetic grapheme
104	one hundred four	68	1101000	h	h	Latin small letter h	Lowercase letter	alphabetic grapheme
105	one hundred five	69	1101001	i	i	Latin small letter i	Lowercase letter	alphabetic grapheme
106	one hundred six	6A	1101010	j	j	Latin small letter j	Lowercase letter	alphabetic grapheme
107	one hundred seven	6B	1101011	k	k	Latin small letter k	Lowercase letter	alphabetic grapheme
108	one hundred eight	6C	1101100	l	l	Latin small letter l	Lowercase letter	alphabetic grapheme
109	one hundred nine	6D	1101101	m	m	Latin small letter m	Lowercase letter	alphabetic grapheme
110	one hundred ten	6E	1101110	n	n	Latin small letter n	Lowercase letter	alphabetic grapheme
111	one hundred eleven	6F	1101111	o	o	Latin small letter o	Lowercase letter	alphabetic grapheme
112	one hundred twelve	70	1110000	p	p	Latin small letter p	Lowercase letter	alphabetic grapheme
113	one hundred thirteen	71	1110001	q	q	Latin small letter q	Lowercase letter	alphabetic grapheme
114	one hundred fourteen	72	1110010	r	r	Latin small letter r	Lowercase letter	alphabetic grapheme
115	one hundred fifteen	73	1110011	s	s	Latin small letter s	Lowercase letter	alphabetic grapheme
116	one hundred sixteen	74	1110100	t	t	Latin small letter t	Lowercase letter	alphabetic grapheme
117	one hundred seventeen	75	1110101	u	u	Latin small letter u	Lowercase letter	alphabetic grapheme
118	one hundred eighteen	76	1110110	v	v	Latin small letter v	Lowercase letter	alphabetic grapheme
119	one hundred nineteen	77	1110111	w	w	Latin small letter w	Lowercase letter	alphabetic grapheme
120	one hundred twenty	78	1111000	x	x	Latin small letter x	Lowercase letter	alphabetic grapheme
121	one hundred twenty-one	79	1111001	y	y	Latin small letter y	Lowercase letter	alphabetic grapheme
122	one hundred twenty-two	7A	1111010	z	z	Latin small letter z	Lowercase letter	alphabetic grapheme
123	one hundred twenty-three	7B	1111011	{	{	Left curly bracket	Punctuation/Symbol	delimiting grapheme
124	one hundred twenty-four	7C	1111100	\|	\|	Vertical line	Punctuation/Symbol	delimiting grapheme
125	one hundred twenty-five	7D	1111101	}	}	Right curly bracket	Punctuation/Symbol	delimiting grapheme
126	one hundred twenty-six	7E	1111110	~	~	Tilde	Punctuation/Symbol	delimiting grapheme
127	one hundred twenty-seven	7F	1111111	DEL		Delete	Control	non-printing control

Validation: 128 entries present (0–127). Decimal-in-words is included for every row. No duplicates; no omissions.

Control Codes as Pragmatics (Why “Invisible” Matters)

Text behavior (new lines, carriage returns, tabs) is governed by controls (LF, CR, HT).
Transmission integrity (ACK/NAK, SYN, DLE, ETB) is enforced by link-layer pragmatics.
Segmentation (US/RS/GS/FS) mirrors database/file record structures—language logistics.
DEL (127) is historically “rubout”; it’s a non-printing correction primitive.

Language-unit view: Controls are operators; printable codes are operands. Together they form a grammar of action + symbol.

Language Units Mapped

Grapheme layer: All printable codes (32–126) are graphemes (letters, digits, punctuation, space).
Morpheme lexicon: Letters combine into morphemes (e.g., re-, -tion), digits into numerals, punctuation into syntax gates.
Lexeme/semantics: Words/terms arise as lexemes; meaning is stabilized by etymology (e.g., ASCII ← American Standard Code for Information Interchange; grapheme ← Greek graphein, “to write”).

Hex/Binary Interoperability (7-bit Canon)

Hex compactly encodes 0–127 as 00–7F; Bin7 preserves the original 7-bit frame.
This table guarantees a lossless pivot across decimal / hex / binary, enabling protocol converters, keyboards, terminals, and parsers to agree.

Checklist — No Skips, No Drifts

✅ All codes 0–127 included (one row each).
✅ Decimal spelled-out (0 → zero, …, 127 → one hundred twenty-seven).
✅ Control names and printable symbols correctly labeled.
✅ Hex and 7-bit binary verified.
✅ Language-unit commentary present for every row.
✅ Cross-links to the extended commentary pages below.

Cross-Reference Nodes (for deeper dives)

Universal ASCII–Language Interoperability Master Map (0–127)
https://solveforce.com/universal-ascii-language-interoperability-master-map-0-127/
ASCII 0–127 — Complete Table (with Language-Unit Commentary)
https://solveforce.com/ascii-0-127-complete-table-with-language-unit-commentary/
ASCII 0–127 — Master Reference (with Linguistic System Commentary)
https://solveforce.com/ascii-0-127-master-reference-with-linguistic-system-commentary/
ASCII Table 0–127 — No Gaps, No Skips
https://solveforce.com/ascii-table-0-127-no-gaps-no-skips/
0–127 — Decimal Values Spelled Out in Words
https://solveforce.com/0-127-ascii-table-decimal-values-spelled-out-in-words/
Integrated with Universal ASCII–Language Coherence Ledger
https://solveforce.com/integrated-with-universal-ascii-language-coherence-ledger/
Universal ASCII–Language Coherence Ledger (Expanded / Full 0–127)
https://solveforce.com/universal-ascii-language-coherence-ledger-expanded-interoperability-edition/
https://solveforce.com/universal-ascii-language-coherence-ledger-full-0-127/
Master ASCII — Full 0–127 Reference
https://solveforce.com/master-ascii-full-0-127-reference/

For Codex-phase anchoring (SGI, Ω loop, provenance, harmonics), see the Archival Mapping and Unified Harmonics Audit pages linked from your site’s Codex hub.

Provenance Notes (Etymon Anchors)

ASCII: American Standard Code for Information Interchange (1960s, 7-bit).
Grapheme: Greek graphein (“to write”).
Morpheme: Greek morphē (“form, shape”).
Lexeme: Greek lexis (“word, speech”).
Control: Latin contrōllāre (via French), “to check, verify.”
Digit: Latin digitus (“finger,” counting origin).
Letter: Latin littera (“alphabetic character”).

Operational Guarantees

Determinism: Any system can reconstruct exact text from hex/binary using this table.
Traceability: Every printable symbol maps to a grapheme; every control maps to a pragmatic action.
Interoperability: Aligns keyboards, terminals, parsers, and protocols on a single, etymologically grounded substrate.