Space Invaders (Arcade)

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screenshot
Space Invaders with the Midway backdrop. (Taito's original backdrop looks different)

SCORES

Scores - MAME:
 3050 ............  on 2014-06-12
 2110 ............  on 2014-05-29

Scores - MiSTer:
 2200 ............  on 2023-06-09

Facts

    2023-06-18
  • 14543 

    As can be seen from these frames from this video and this video, Space Invaders has a vertically oriented monitor which makes scan lines appear vertically, not horizontally. Space Invaders scan lines.

  • 14549 

    The CRT display is mounted facing upwards, reflected towards a semi-transparent mirror, behind which is a plastic cutout of the planetary surface. The reflection of the CRT appears over the cutout, serving as a backdrop. The CRT had colored overlays on the display itself, to add color to the black and white image. Thus, both the colors and background of Space Invaders are non-digital optical effects. Also note that the actual CRT image is mirrored to appear correct in the reflection.
    Inside Space Invaders cabinet (Photo by dbrainjr on ebay.com)

Analysis

  • 14515 

    I adore the little animations where the invader steals and flips the Y in PLAY, and the red invader shooting the extra C in INSERT COIN.

Log entries

    2014-05-29
  • 3962 
    Got the score 2110 in MAME. I've played many games of Space Invaders before, but I didn't keep track of my scores until now. So here goes...
  • 2014-06-12
  • 4044 
    Got the score 3050 in MAME.
  • 2023-06-09
  • 14511 
    Got the score 2200 in MiSTer.

    I played with the MiSTer backdrop enabled. I still think it looks weird, but the game looked more or less like this originally.

  • 2023-06-18
  • 14544 

    For a while now, I've been using a custom MiSTer video filter with interpolation and subtle horizontal scanlines. Everything looks great, but I realized that arcade games with vertical monitor orientation should have vertical scanlines, not horizontal ones. I never really looked for this, but confirmed it with YouTube videos of the real arcade hardware. I have now made a corresponding vertical video filter for games like Space Invaders.


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