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Symbols for Legacy Computing Supplement
Unicode character block

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.

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Block

Symbols for Legacy Computing Supplement[1][2]Official Unicode Consortium code chart (PDF)
 0123456789ABCDEF
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+1CCFx𜳰𜳱𜳲𜳳𜳴𜳵𜳶𜳷𜳸𜳹
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𜺰𜺱𜺲𜺳
Notes1.^ As of Unicode version 16.02.^ Grey areas indicate non-assigned code points

History

The following Unicode-related documents record the purpose and process of defining specific characters in the Symbols for Legacy Computing Supplement block:

VersionFinal code points2CountL2 IDDocument
16.0U+1CC00..1CCF9, 1CD00..1CEAF682L2/21-235 (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 (2021-12-20), Proposal to add further characters from legacy computers and teletext to the UCS
L2/22-023Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2022-01-22), "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 (2022-01-26), Proposal to add further characters from legacy computers and teletext to the UCS
L2/22-016Constable, Peter (2022-04-21), "D.1 17 Legacy Computing Symbols", UTC #170 Minutes
L2/23-012Anderson, Deborah; et al. (2023-01-17), "10 Legacy Computing Symbols", Recommendations to UTC #174 January 2023 on Script Proposals
L2/23-005Constable, Peter (2023-02-01), "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
L2/23-164Anderson, Deborah; Kučera, Jan; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2023-07-21), "13 Symbols for Legacy Computers Supplement", Recommendations to UTC #176 July 2023 on Script Proposals
L2/23-157Constable, Peter (2023-07-31), "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..1CEB34L2/21-234 (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 (2021-12-20), Proposal to add characters from Smalltalk to the UCS
L2/22-023Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2022-01-22), "20 Smalltalk", Recommendations to UTC #170 January 2022 on Script Proposals
L2/22-016Constable, Peter (2022-04-21), "Consensus 170-C17", UTC #170 Minutes, UTC accepts ... 5 Smalltalk symbols

Implementation

The glyphs for the Symbols for Legacy Computing Supplement block have been added to the Cascadia Code (2404.03 release or later),3 GNU Unifont (version 16.0.01 or higher)4 and Iosevka[when?]5 fonts.

See also

References

  1. "Proposal to add further characters from legacy computers and teletext to the UCS" (PDF). 2021-12-20. https://www.unicode.org/L2/L2021/21235-terminals-supplement.pdf ↩

  2. Proposed code points and characters names may differ from final code points and names ↩

  3. Nguyen, Christopher (2024-04-30). "Cascadia Code 2404.23". Windows Command Line. Retrieved 2024-10-17. https://devblogs.microsoft.com/commandline/cascadia-code-2404-23/ ↩

  4. "Release Notes - 10 September 2024 (Unifont 16.0.01) - GNU Unifont Glyphs". www.unifoundry.com. Retrieved 2024-10-17. https://www.unifoundry.com/unifont/index.html ↩

  5. "Symbols For Legacy Computing Supplement - Iosevka Specimen". typeof.net. Retrieved 2024-10-17. https://typeof.net/Iosevka/specimen#specimen-block--Symbols--For--Legacy--Computing--Supplement ↩