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Retrocomputing

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    Just for context, that’s WinG’s calibration test. Commented Jun 22, 2018 at 14:25
  • Huh, just looked it up. Pretty interesting: en.wikipedia.org/wiki/WinG Commented Jun 22, 2018 at 14:27
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    I hope it doesn't step on anybody's toes, but I transcribed the in-question answer to a community wiki (i.e. no points allocated) formal answer. That'll ensure this question shows up properly in the various StackOverflow places as not being unanswered. Commented Jun 22, 2018 at 15:04
  • Yeah, @LSM07, you should post answers as answers in future. We're not like a typical forum. (Obligatory tour link.) Commented Jun 22, 2018 at 15:36
  • Thanks @Tommy, I rolled the question back to its first version to avoid having the answer in both places. I do remember reading about the various calls that were compared, if I find it again I’ll add the information... Commented Jun 22, 2018 at 15:37