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Unicode inherits its first and second blocks (comprising U+0000 through U+00FF) from ASCII and ISO/IEC 8859-1, thus incorporating the C0 and C1 control code ranges (U+0000–U+001F, U+007F–U+009F) as general category "Cc". It does not assign normative names to these control codes, though it does assign them normative aliases.
As of Unicode version 16.0, there are 155,063 characters with code points, covering 168 modern and historical scripts, ... Control codes 65 characters ...
Various specialised C1 control code sets are registered for use by Videotex formats. [21] EBCDIC defines up to 29 additional control codes besides those present in ASCII. When translating EBCDIC to Unicode (or to ISO 8859), these codes are mapped to C1 control characters in a manner specified by IBM's Character Data Representation Architecture ...
These 65 control codes were carried over to Unicode. Unicode added more characters that could be considered controls, but it makes a distinction between these "Formatting characters" (such as the zero-width non-joiner) and the 65 control characters.
There are 172 format characters in Unicode 16.0. 65 code points, the ranges U+0000 – U+001F and U+007F – U+009F, are reserved as control codes, corresponding to the C0 and C1 control codes as defined in ISO/IEC 6429. U+0089 LINE TABULATION, U+008A LINE FEED, and U+000D CARRIAGE RETURN are widely used in texts using Unicode.
The Basic Latin Unicode block, [3] sometimes informally called C0 Controls and Basic Latin, [4] is the first block of the Unicode standard, and the only block which is encoded in one byte in UTF-8. The block contains all the letters and control codes of the ASCII encoding.
Control Pictures is a Unicode block containing characters for graphically representing the C0 control codes, and other control characters. Its block name in Unicode 1.0 was Pictures for Control Codes .
The Universal Coded Character Set (UCS, Unicode) is a standard set of characters defined by the international standard ISO/IEC 10646, Information technology — Universal Coded Character Set (UCS) (plus amendments to that standard), which is the basis of many character encodings, improving as characters from previously unrepresented typing systems are added.