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Namco System 12

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The Namco System 12 is an arcade system board released by Namco in late 1996. In hardware, it is an upgrade from Sony's PlayStation-based System 11, the MIPS R3000A microprocessor is 50% faster, and the C76 sound processor is replaced by the H8/3002. Like the System 11, the System 12 used surface-mounted ROM chips, meaning the boards were unique to each game.[1]

System 12 specifications

  • Main CPU: MIPS R3000A 32-bit RISC processor, Clock- 48MHz, Operating performance - 30 MIPS, Instruction Cache - 4 KiB
  • BUS: 132 MB/s.
  • OS ROM: 512 kibibytes
  • Sound CPU: Hitachi H8/3002 @ 14.7456 MHz
  • Additional Sound Chip: Namco C352 sample playback
  • Main RAM: 2 megabytes
  • Video VRAM: 2 megabytes
  • Sound RAM: 512 kilobytes
  • Graphical Processor: 360,000 polygons/s, sprite/BG drawing, Adjustable framebuffer, No line restriction, 4,000 8x8 pixel sprites with individual scaling and rotation, Simultaneous backgrounds (parallax scrolling)
  • Sprite Effects: Rotation, Scaling up/down, Warping, Transparency, Fading, Priority, Vertical and horizontal line scroll
  • Resolution: 256x224 - 640x480
  • Colours: 16.7 million colors, Unlimited CLUTs (Color Look-Up Tables)
  • Other Features: custom geometry engine, custom polygon engine, MJPEG decoder

List of System 12 games


  1. System 12 Hardware (Namco), HARDWARE DESCRIPTION, System 16
fr:System 12


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