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usb2pce

USB/BT controllers to PCEngine/TurboGrafx-16 console.

Overview

Connects USB and Bluetooth controllers to a PCEngine or TurboGrafx-16 via the multitap protocol. Emulates up to 5 players simultaneously. Supports USB mouse as a PCEngine mouse for compatible games. Automatically handles 2-button, 3-button, and 6-button mode switching based on what the game requests.

Input

Output

PCEngine Output -- PIO-based multitap emulation (plex.pio, clock.pio, select.pio).

Core Configuration

Setting Value
Routing mode SIMPLE (1:1 controller to multitap slot)
Player slots 5 (shift on disconnect)
Max USB devices 6
Profile system None (pass-through)

Key Features

  • 5-player multitap -- Controllers assigned in connection order. Works with Bomberman '93/'94, Dungeon Explorer, Moto Roader, etc.
  • Button modes -- 2-button, 3-button (Street Fighter II), and 6-button modes handled automatically.
  • Turbo -- Buttons III and IV have built-in auto-fire (~15Hz).
  • Mouse support -- USB mouse outputs native PCEngine mouse protocol for Afterburner II, Darius Plus, Lemmings.
  • Player shifting -- When a controller disconnects, remaining players shift up to fill gaps.

Supported Boards

Board Build Command
KB2040 make usb2pce_kb2040

Build and Flash

make usb2pce_kb2040
make flash-usb2pce_kb2040

Compatible Games

Mouse-Compatible

  • Afterburner II
  • Darius Plus
  • Lemmings

Multitap-Compatible (5 players)

  • Bomberman '93
  • Bomberman '94
  • Dungeon Explorer
  • Moto Roader

Troubleshooting

Controller not responding:

  • Check PCEngine port connections, especially 5V power and ground.
  • Verify data and select pin assignments match your board.

Multitap not working:

  • Ensure the USB hub provides enough power for all controllers.
  • Some games do not support 5-player mode.

Mouse not working:

  • Verify the game supports the PCEngine mouse.
  • Check that the USB mouse is detected by the adapter.
  • Try a different USB mouse model.

Button mapping wrong:

  • Verify 2/3/6-button mode in the game's settings -- some games expect specific button layouts.