Four Column ASCII (2017)
I found this gem on Hacker News the other day. User soneil posted to a four column version of the ASCII table that blew my mind. I just wanted to repost this here so it is easier to discover. Here’s an excerpt from the comment: I always thought it was a shame the ascii table is rarely shown in columns (or rows) of 32, as it makes a lot of this quite obvious. eg, https://pastebin.com/cdaga5i1 It becomes immediately obvious why, eg, ^[ becomes escape. Or that the alphabet is just 40h + the ordinal position of the letter (or 60h for lower-case). Or that we shift between upper & lower-case with a single bit. You know in ASCII there are 32 characters at the beginning of the table that don’t represent a written symbol. Backspace, newline, escape – that sort of thing. These are called…
