VirtualBoy TV-mod Using a XuLA

Posted by: Dave Vandenbout 4 years, 1 month ago

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VirtualBoy scanned LED array There's a nice write-up over on the Furrtek site about modding the 1990's-era VirtualBoy table-top video game console. The VB provides a 3D gaming experience using two scanned LED arrays, one for each eye. A XuLA-200 was inserted into the VB's case in order to generate VGA signals so the game action could be seen on an external monitor.

Here's a preliminary connection of the VB to the XuLa through a level-shifting resistor network:

XuLA-200 VGA circuitry for VirtualBoy

Finally, it was all crammed together into this:

VirtualBoy moddeed for VGA output

In addition to adding the XuLA-200, a lot of reverse-engineering (including die photos!) was done to determine how the pixel data was going to the LED arrays so it could be buffered and sent to a VGA monitor. It's worth looking at for the debugging techniques alone.

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