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Gameduino shield

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Описание товара

Gameduino is a game adapter for Arduino — or anything else with an SPI interface — built as a single shield that stacks up on top of the Arduino and has plugs for a VGA monitor and stereo speakers.

The sound and graphics are definitely old-school, but thanks to the latest FPGA technology, the sprite capabilities are a step above those in machines from the past.

You’ll need controllers (most likely) for gaming, we suggest using Nunchuck with aNunchucky Breakout

Video output is 400×300 pixels in 512 colors:

  • all color processed internally at 15-bit precision
  • compatible with any standard VGA monitor (800×600 @ 72Hz)
  • background graphics
    • 512×512 pixel character background
    • 256 characters, each with independent 4 color palette
    • pixel-smooth X-Y wraparound scroll
  • foreground graphics
    • each sprite is 16×16 pixels with per-pixel transparency
    • each sprite can use 256, 16 or 4 colors
    • four-way rotate and flip
    • 96 sprites per scan-line, 1536 texels per line
    • pixel-perfect sprite collision detection

Audio output is a stereo 12-bit frequency synthesizer

  • 64 independent voices 10-8000 Hz
  • per-voice sine wave or white noise
  • sample playback channel

The adapter is controlled via SPI read/write operations, and looks to the CPU like a 32Kbyte RAM. (Unlike many 8-bit machines, there are no restrictions on when you can access this RAM). There is a handy reference poster showing how the whole system works, and a set of sample programs and library.

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