Symbols for Legacy Computing Supplement
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Find sources: "Symbols for Legacy Computing Supplement" – news · newspapers · books · scholar · JSTOR (September 2024) (Learn how and when to remove this message)
Find sources: "Symbols for Legacy Computing Supplement" – news · newspapers · books · scholar · JSTOR (September 2024) (Learn how and when to remove this message)
Unicode character block
| Symbols for Legacy Computing Supplement | |
|---|---|
| Range | U+1CC00..U+1CEBF (704 code points) |
| Plane | SMP |
| Scripts | Common |
| Assigned | 695 code points |
| Unused | 9 reserved code points |
| Unicode version history | |
| 16.0 (2024) | 686 (+686) |
| 17.0 (2025) | 695 (+9) |
| Unicode documentation | |
| Code chart ∣ Web page | |
| Note: [1] [2] | |
Symbols for Legacy Computing Supplement is a Unicode block containing additional graphic characters that were used for various home computers from the 1970s and 1980s, extending the set of characters provided by the Symbols for Legacy Computing block.
It includes characters from Amstrad CPC, Apple 8-bit, Kaypro CP/M, Mattel Aquarius, Ohio Scientific, Robotron KC, Sharp MZ computers, HP terminals, and TRS-80. It includes a set of semigraphics in the form of 230 "octant" characters, large images split into four "characters", and the "large type" characters used for building large text characters.[3]
Block
[edit ]This table contains uncommon Unicode characters. Without proper rendering support, you may see question marks, boxes, or other symbols instead of the intended characters.
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
U+1CC0x
U+1CC1x
U+1CC2x
U+1CC3x
U+1CC4x
U+1CC5x
U+1CC6x
U+1CC7x
U+1CC8x
U+1CC9x
U+1CCAx
U+1CCBx
U+1CCCx
U+1CCDx
U+1CCEx
U+1CCFx
U+1CD0x
U+1CD1x
U+1CD2x
U+1CD3x
U+1CD4x
U+1CD5x
U+1CD6x
U+1CD7x
U+1CD8x
U+1CD9x
U+1CDAx
U+1CDBx
U+1CDCx
U+1CDDx
U+1CDEx
U+1CDFx
U+1CE0x
U+1CE1x
U+1CE2x
U+1CE3x
U+1CE4x
U+1CE5x
U+1CE6x
U+1CE7x
U+1CE8x
U+1CE9x
U+1CEAx
U+1CEBx
History
[edit ]The following Unicode-related documents record the purpose and process of defining specific characters in the Symbols for Legacy Computing Supplement block:
| Version | Final code points[a] | Count | L2 ID | Document |
|---|---|---|---|---|
| 16.0 | U+1CC00..1CCF9, 1CD00..1CEAF | 682 | L2/21-235 (full, no_attach, sources, mappings_zip) | Bettencourt, Rebecca; Ewell, Doug; Bánffy, Ricardo; Everson, Michael; Hietaniemi, Jarkko; Silva, Eduardo Marín; Mårtenson, Elias; Shoulson, Mark; Steele, Shawn; Turner, Rebecca (2021年12月20日), Proposal to add further characters from legacy computers and teletext to the UCS |
| L2/22-023 | Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2022年01月22日), "17 Legacy Computing Symbols", Recommendations to UTC #170 January 2022 on Script Proposals | |||
| L2/21-235R (full, no_attach) | Bettencourt, Rebecca; Ewell, Doug; Bánffy, Ricardo; Everson, Michael; Hietaniemi, Jarkko; Silva, Eduardo Marín; Mårtenson, Elias; Shoulson, Mark; Steele, Shawn; Turner, Rebecca (2022年01月26日), Proposal to add further characters from legacy computers and teletext to the UCS | |||
| L2/22-016 | Constable, Peter (2022年04月21日), "D.1 17 Legacy Computing Symbols", UTC #170 Minutes | |||
| L2/23-012 | Anderson, Deborah; et al. (2023年01月17日), "10 Legacy Computing Symbols", Recommendations to UTC #174 January 2023 on Script Proposals | |||
| L2/23-005 | Constable, Peter (2023年02月01日), "Consensus 174-C24", UTC #174 Minutes, The UTC accepts the name change for U+1CE35 from LARGE TYPE PIECE RAISED UPPER RIGHT ARC to LARGE TYPE PIECE RAISED UPPER LEFT ARC | |||
| L2/23-164 | Anderson, Deborah; Kučera, Jan; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2023年07月21日), "13 Symbols for Legacy Computers Supplement", Recommendations to UTC #176 July 2023 on Script Proposals | |||
| L2/23-157 | Constable, Peter (2023年07月31日), "Consensus 176-C37", UTC #176 Minutes, Change the name of U+1CE07 TOP RIGHT BLACK LEFT-POINTING SMALL TRIANGLE to TOP LEFT BLACK LEFT-POINTING SMALL TRIANGLE | |||
| U+1CEB0..1CEB3 | 4 | L2/21-234 (full, no_attach, sources, mappings_zip) | Bettencourt, Rebecca; Ewell, Doug; Bánffy, Ricardo; Everson, Michael; Hietaniemi, Jarkko; Silva, Eduardo Marín; Mårtenson, Elias; Shoulson, Mark; Steele, Shawn; Turner, Rebecca (2021年12月20日), Proposal to add characters from Smalltalk to the UCS | |
| L2/22-023 | Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2022年01月22日), "20 Smalltalk", Recommendations to UTC #170 January 2022 on Script Proposals | |||
| L2/22-016 | Constable, Peter (2022年04月21日), "Consensus 170-C17", UTC #170 Minutes, UTC accepts ... 5 Smalltalk symbols | |||
| 17.0 | U+1CCFA..1CCFC, 1CEBA..1CEBF | 9 | L2/23-142 | Buff, Charlotte (2023年06月26日), Proposal to Define Variation Sequences for Emoji Mapped to Legacy Computing Symbols |
| L2/23-157 | Constable, Peter (2023年07月31日), "G.3", UTC #176 Minutes | |||
| L2/23-252 | Bettencourt, Rebecca; Ewell, Doug (2023年10月14日), Proposal to disunify Symbols for Legacy Computing from emoji | |||
| L2/23-238R | Anderson, Deborah; Kučera, Jan; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2023年11月01日), "14 Symbols", Recommendations to UTC #177 November 2023 on Script Proposals | |||
| L2/23-231 | Constable, Peter (2023年12月08日), "Consensus 177-C35", UTC #177 Minutes | |||
| ||||
Implementation
[edit ]The glyphs for the Symbols for Legacy Computing Supplement block have been added to the Cascadia Code (2404.03 release or later),[4] GNU Unifont (version 16.0.01 or higher),[5] BabelStone Pseudographica (version 16.0.0)[6] and Iosevka [when? ][7] fonts.
See also
[edit ]- Box-drawing characters
- Dingbat
- other Unicode blocks
References
[edit ]- ^ "Unicode character database". The Unicode Standard. Retrieved 2024年09月10日.
- ^ "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2024年09月10日.
- ^ "Proposal to add further characters from legacy computers and teletext to the UCS" (PDF). 2021年12月20日.
- ^ Nguyen, Christopher (2024年04月30日). "Cascadia Code 2404.23". Windows Command Line. Retrieved 2024年10月17日.
- ^ "Release Notes - 10 September 2024 (Unifont 16.0.01) - GNU Unifont Glyphs". www.unifoundry.com. Retrieved 2024年10月17日.
- ^ "BabelStone Pseudographica". BabelStone. Retrieved 2025年10月07日.
- ^ "Symbols For Legacy Computing Supplement - Iosevka Specimen". typeof.net. Retrieved 2024年10月17日.
External links
[edit ]- Cascadia Code 2404.23 – release notes for Cascadia Code, which shows the rendering of Symbols for Legacy Computing Supplement characters