The

Acorn The acorn, or oaknut, is the nut of the oaks and their close relatives (genera '' Quercus'' and '' Lithocarpus'', in the family Fagaceae). It usually contains one seed (occasionally two seeds), enclosed in a tough, leathery shell, and b ...

RISC OS RISC OS is a computer operating system originally designed by Acorn Computers Ltd in Cambridge, England. First released in 1987, it was designed to run on the ARM chipset, which Acorn had designed concurrently for use in its new line of Archi ...

character set was used in the

Acorn Archimedes Acorn Archimedes is a family of personal computers designed by Acorn Computers of Cambridge, England. The systems are based on Acorn's own ARM architecture processors and the proprietary operating systems Arthur and RISC OS. The first mode ...

series and subsequent computers from 1987 onwards. It is an extension of

ISO/IEC 8859-1 ISO/IEC 8859-1:1998, ''Information technology — 8-bit single-byte coded graphic character sets — Part 1: Latin alphabet No. 1'', is part of the ISO/IEC 8859 series of ASCII-based standard character encodings, first edition published in ...

Code page layout (standard)

At 0x83 is a box with another box inside it on the top left-hand corner, meaning "resize window". At 0x84 is a 'bubble-writing' X, meaning "close window". At 0x87 is an unusual character that is a

subscript A subscript or superscript is a character (such as a number or letter) that is set slightly below or above the normal line of type, respectively. It is usually smaller than the rest of the text. Subscripts appear at or below the baseline, whil ...

8 followed by a

superscript A subscript or superscript is a character (such as a number or letter) that is set slightly below or above the normal line of type, respectively. It is usually smaller than the rest of the text. Subscripts appear at or below the baseline, whil ...

7. It is not proposed for

Unicode Unicode, formally The Unicode Standard,The formal version reference is is an information technology standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems. The standard, ...

. At 0x88, 0x89, 0x8A, and 0x8B are left, right, up, and down bubble arrows for window scrollbars. The Homerton font does not have these characters. EFF, a third-party supplier of RISC OS outline fonts, has a different, but similar character set. The following table shows the RISC OS character set. Each character is shown with a potential

equivalent if available. Space and control characters are represented by the abbreviations for their names. Differences from

ISO-8859-1 ISO/IEC 8859-1:1998, ''Information technology — 8-bit single-byte coded graphic character sets — Part 1: Latin alphabet No. 1'', is part of the ISO/IEC 8859 series of ASCII-based standard character encodings, first edition published in ...

are shown with darker shading on top of their legend colours.

Code page layout (Electronic Font Foundry 1.1)

This RISC OS Latin-1 character set was used by Electronic Font Foundry.

Code page layout (BBC Master microcomputer)

This character set was used in the BBC Master microcomputer.

Code page layout (standard)

Code page layout (Electronic Font Foundry 1.1)

Code page layout (BBC Master microcomputer)

Code page layout (TRC)

References

Further reading