NEW PRODUCT – Gameduino shield for Arduino. 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.
- 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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