Evolution of sinhala key boards @ ancl
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Evolution of Sinhala Key Boards @ ANCL. The Associated Newspapers of Ceylon Ltd. Standard Wijesekera Key Board. These Keys had been positioned to the left to overcome mechanical limitations .

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Evolution of sinhala key boards @ ancl l.jpg
Evolution of SinhalaKey [email protected] ANCL

The Associated Newspapers of Ceylon Ltd.


Standard wijesekera key board l.jpg
Standard Wijesekera Key Board

These Keys had been positioned to the left to overcome mechanical limitations


First version of sinhala key board developed by ancl adopted in the amicus typesetting system 1988 l.jpg
First version of Sinhala Key Board, developed by ANCL adopted in the ‘AMICUS’ typesetting system, 1988

Key positions that coincide with Wijesekera Key Board


First version features l.jpg
First version……..features adopted in the ‘AMICUS’ typesetting system, 1988

  • Correct ‘al-lakuna’ / ‘raepaya’ is selected by the Software depending on the base character

  • Ispilla is positioned correctly (centered) to base character

  • All aesthetically right combined characters are addressed by software, keyed as you would type – no special characters

  • Combined characters assembled with Base Character followed by ‘rakaransaya’ & ‘ispilla’/ ‘al-lakuna’ are independent of the key-in sequence

  • All variations of ‘the-yanna’ are addressed & available

  • All characters/variations except ‘illuyanna’ are available, and accessed through normal key in sequences.

  • ‘Type as you write’……….

  • Sinhala sorting ‘Algorithm’ is developed by ANCL… done in Classified advertisements of ‘Silumina’


Slide5 l.jpg
Second version of Sinhala Key-board, developed by ANCL adopted in the ‘HELAWADANA’ Key-board driver (ANCL ver.) for Windows® 95/98, 1998

Key positions that coincide with Wijesekera Key Board


Second version added features l.jpg
Second version………. added features adopted in the ‘HELAWADANA’ Key-board driver (ANCL ver.) for Windows® 95/98, 1998

  • Two/Three versions of ‘pillas’ are available on the font, addressed correctly by key-bd driver/look-up tables, dependent on the base character

  • Freedom to font designer

  • ‘Key as you write’

  • Sinhala hyphenation is improved


Proposed key board l.jpg
Proposed Key Board adopted in the ‘HELAWADANA’ Key-board driver (ANCL ver.) for Windows® 95/98, 1998

Key positions that coincide with Standard US 101 Key Board

Neighboring Key blocks, extracted from the Wijesekera Key Board

Newly introduced pairs


Slide8 l.jpg

Proposed Key Board…… adopted in the ‘HELAWADANA’ Key-board driver (ANCL ver.) for Windows® 95/98, 1998

  • Punctuation marks & other special characters are as in the US-101 layout

  • The basic main characters/pairs are left un-altered but shifted two/three

    positions to the left with respect to the Wijesekera Key Board lay-out

  • The two Pre-Base characters / elements are placed on the left side of the

    key-board

  • Post-base characters / elements are placed on the right side of the keyboard

  • ‘Zero width non-joiner’ & ‘Zero width joiner’ are placed on the ‘back slash’ key

    (the reason for selecting this key ; the physical key position changes on

    different Key board manufacturers)


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