Transcode (character encoding): Difference between revisions

Revision as of 00:25, 20 October 2012

Revision as of 01:04, 5 February 2013

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Transcode was a 64 character set including twenty-six upper case alphabetic characters, ten numerics, thirteen special characters, and sixteen [[control characters]]. Characters were transmitted with [[odd parity]].<ref>{{cite book|last=IBM Corporation|title=Component Description: IBM 2780 Communications Terminal|year=1971|url=http://computer-refuge.org/bitsavers/pdf/ibm/27xx/GA27-3005-3-2780_Data_Terminal_Description_Aug71.pdf}}</ref>

{| class="wikitable" style="font-family: 'Courier New';"

|- style="font-family: 'Courier New';"

! Character<br>&nbsp; !! [[Punched card]]<br>code !! 6-bit<br>transcode !! Hex&nbsp;

|-

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| ' || 0-8-3 || &nbsp;0&nbsp;&nbsp;&nbsp;2&nbsp;&nbsp;&nbsp;4&nbsp;5&nbsp;P || 2B

|-

| %&#x25; || 0-8-4 || &nbsp;0&nbsp;&nbsp;&nbsp;2&nbsp;3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; || 2C

|-

| ENQ || 0-9-8-5 || &nbsp;0&nbsp;&nbsp;&nbsp;2&nbsp;3&nbsp;&nbsp;&nbsp;5&nbsp;P || 2D