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Can anyone explain why the letters and characters in the grid are ordered they way they are? A-Z is non sequential, I’m guessing it’s something to do with maki
by NegativeLatency 8y ago
Can anyone explain why the letters and characters in the grid are ordered they way they are?
A-Z is non sequential, I’m guessing it’s something to do with making character selection logic simpler, but by looking at the letters I couldn’t come up with a definite pattern or rule.
- deleted 8y ago[deleted]
- Animats 8y agoIt's some variation of BCD code, which was inherited from punched cards and still lives on in some IBM mainframes.[1] [1] https://en.wikipedia.org/wiki/BCD_(character_encoding)#48-character_BCD_code https://en.wikipedia.org/wiki/BCD_(character_encoding)#48-ch...
- deleted 8y ago[deleted]
- pjc50 8y agoAlmost certainly EBCDIC: http://www.astrodigital.org/digital/ebcdic.html http://www.astrodigital.org/digital/ebcdic.html EBCDIC has discontinuities in the same places, I-J and R-S.