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by mannschott
912 days ago
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When I wrote "teletype" I wasn't referring to what teletypes had become by the time by the time Unix was developed. Think further back than that. This is why I mentioned 5-bit codes: https://en.wikipedia.org/wiki/Baudot_code This coding scheme is so constrained (32 possible 5-bit values) that it uses the codes FIGURES (01000) and LETTERS (10000) to toggle back and forth between two alternate sets of meanings for the remaining 30 possible codes. Still not enough space for lower case or ASCII's plethora of control codes (just NUL and DEL). |
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