"push-scrolling" meaning in English

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  "lang_code": "en",
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      "coordinate_terms": [
        {
          "word": "flip-screen"
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      "examples": [
        {
          "ref": "1992, Ian Osborne, Shoot-'Em-Up Construction Kit (review in Zzap! magazine issue 84)",
          "text": "So, your masterpiece is going to have to be either a straightforward (upward?) vertically scrolling blast (with a choice of fast or faster still but both supremely smooth), a single flip-screen affair or a 'push-scrolling' jobbie where the screen scrolls in accordance with the main sprite."
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          "ref": "1994, James Ponder, “Dune II”, in comp.sys.acorn (Usenet):",
          "text": "I'm surprised you didn't notice anything wrong with the demo version on the Acorn Computing cover disc. I'm sure many would agree that the scrolling on Robocod is the jerkiest this side of push-scrolling, despite the fact that it is in a low-resolution 16 colour mode, which is very difficult to do, especially as most of the sprites in Robocod are not even masked.",
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        "A form of scrolling that is triggered whenever the user's text cursor, player character, etc. approaches the border of the screen, so as to keep it more or less central."
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        [
          "player character",
          "player character"
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          "border",
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          "screen",
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      "raw_glosses": [
        "(computer graphics) A form of scrolling that is triggered whenever the user's text cursor, player character, etc. approaches the border of the screen, so as to keep it more or less central."
      ],
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          "word": "push-scroller"
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  "word": "push-scrolling"
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      "word": "push-scroller"
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          "ref": "1992, Ian Osborne, Shoot-'Em-Up Construction Kit (review in Zzap! magazine issue 84)",
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          "text": "I'm surprised you didn't notice anything wrong with the demo version on the Acorn Computing cover disc. I'm sure many would agree that the scrolling on Robocod is the jerkiest this side of push-scrolling, despite the fact that it is in a low-resolution 16 colour mode, which is very difficult to do, especially as most of the sprites in Robocod are not even masked.",
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      "glosses": [
        "A form of scrolling that is triggered whenever the user's text cursor, player character, etc. approaches the border of the screen, so as to keep it more or less central."
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        "(computer graphics) A form of scrolling that is triggered whenever the user's text cursor, player character, etc. approaches the border of the screen, so as to keep it more or less central."
      ],
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