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.

Block

Symbols for Legacy Computing Supplement[1][2] (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𜺰𜺱𜺲𜺳𜺺𜺻𜺼𜺽𜺾𜺿
Notes 1.^As of Unicode version 17.0 2.^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 pointsCountL2IDDocument
16.0U+1CC00..1CCF9, 1CD00..1CEAF682, , , )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
Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2022-01-22), "17 Legacy Computing Symbols", Recommendations to UTC #170 January 2022 on Script Proposals
, )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
Constable, Peter (2022-04-21), "D.1 17 Legacy Computing Symbols", UTC #170 Minutes
Anderson, Deborah; etal. (2023-01-17), "10 Legacy Computing Symbols", Recommendations to UTC #174 January 2023 on Script Proposals
Constable, 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
Anderson, 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
Constable, 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..1CEB34, , , )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
Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2022-01-22), "20 Smalltalk", Recommendations to UTC #170 January 2022 on Script Proposals
Constable, Peter (2022-04-21), "Consensus 170-C17", UTC #170 Minutes, UTC accepts ... 5 Smalltalk symbols
17.0U+1CCFA..1CCFC, 1CEBA..1CEBF9Buff, Charlotte (2023-06-26), Proposal to Define Variation Sequences for Emoji Mapped to Legacy Computing Symbols
Constable, Peter (2023-07-31), "G.3", UTC #176 Minutes
Bettencourt, Rebecca; Ewell, Doug (2023-10-14), Proposal to disunify Symbols for Legacy Computing from emoji
Anderson, Deborah; Kučera, Jan; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2023-11-01), "14 Symbols", Recommendations to UTC #177 November 2023 on Script Proposals
Constable, Peter (2023-12-08), "Consensus 177-C35", UTC #177 Minutes

Implementation

The glyphs for the Symbols for Legacy Computing Supplement block have been added to the Cascadia Code (2404.03 release or later), GNU Unifont (version 16.0.01 or higher), BabelStone Pseudographica (version 16.0.0) and Iosevka[when?] fonts.

See also

External links

  • – release notes for Cascadia Code, which shows the rendering of Symbols for Legacy Computing Supplement characters