Sega Fonz hardware

From Sega Retro

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Sega Fonz hardware
Manufacturer: Sega
Release Date RRP Code

Sega Fonz hardware was discrete logic Sega arcade hardware that debuted in 1976. It was used for several Sega racing games from 1976 to 1977. This was the first arcade hardware capable of producing pseudo-3D graphics with forward scrolling and sprite scaling in a third-person perspective, making it a precursor to the VCO Object (1981) and Sega Hang-On hardware (1985).

Specifications

  • PCB: Sega Logic Board 94789-P[1]
  • ROM: 512 bytes (2x 256 bytes)[2][3][4]
  • Graphical capabilities: Pseudo-3D, third-person perspective, vertical scrolling, forward scrolling, sprite scaling, road scaling, collision detection[5][6]
  • Resolution: 243×297 pixels[7]
    • Road size: 211×258 pixels (default), scaling and adjustable
  • Sprites on screen: 3 sprites[8][9]
    • Player sprite size: 20×48 texels (default),[7] scaling and adjustable
    • Opponent sprite size: 13×28 texels (default),[10] scaling and adjustable
  • Colors on screen: 27 colors (26 monochrome, 1 red)[7]
    • Colors per sprite: 25 colors (24 monochrome, 1 transparent)
    • Road colors: 23 colors (monochrome)
  • Sound: Audio tape[11][7]
    • Sega S-93806 Tape Deck (8 Track)
    • Sega S-94802 Cartridge Recording Tape[6]
  • Operator adjustments:[9]
    • VR-1: Opponent sprite size
    • VR-2: Size of all sprites
    • VR-3: Road shape
    • VR-4: Road swing width
    • VR-5: Road swing frequency
    • VR-6: Road width
    • VR-7: Left road shoulder size
    • VR-8: Right road shoulder size
    • VR-9: Player sprite size
    • VR-10: Game time
    • VR-11: Upper limit of vertical player sprite size
    • VR-12: Lower limit of vertical player sprite size

Games

References


Sega arcade boards
Originating in arcades









Console-based hardware








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PC-based hardware








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