Virtual Boy controller
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The Virtual Boy controller has an NES-compatible protocol, and has been used in homebrew games.
- Candelabra - Estoscerro
After strobing the controller, the following 16 bits can be read from the data line:
0 - Right D-pad Down 1 - Right D-pad Left 2 - Select 3 - Start 4 - Left D-pad Up 5 - Left D-pad Down 6 - Left D-pad Left 7 - Left D-pad Right
8 - Right D-pad Right 9 - Right D-pad Up 10 - L (rear left trigger) 11 - R (rear right trigger) 12 - B 13 - A 14 - Always 1 15 - Battery voltage; 1 = low voltage
This is very analogous to the SNES controller, which reports its 4 face buttons where the VB reports its right d-pad. However, the last 4 bits (B, A, 1, battery) have no correspondence in the SNES controller report. Use this 1 to distinguish the Virtual Boy controller from that controller or a mouse.
- VB Sacred Tech Scroll: Virtual Boy Specifications
- PlanetVB: Documents
- Sly Dog Studios: Candelabra - Estoscerro demo available
- Forum post: Spook-o'-tron - Virtual Boy Controller Fun