Files
RP412/docs/CONTROLS.md
T
CydandClaude Fable 5 8fb4b72f7a Pad Start and Back ship unbound
They were mapped to the config buttons (0x37/0x36), which the 9 and 0
keys already reach from the Upper Right MFD bank. Freeing them gives
players two pad buttons to assign; bindings.txt carries the mapping as
commented example lines so the way to re-enable it is in the file.
Docs and the dist README follow.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-24 21:08:05 -05:00

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# Red Planet 4.12 — controls map
Generated from the default `bindings.txt` (the file the game writes
beside the exe on first run). Everything here is rebindable: edit that
file and restart, or delete it to get these defaults back.
Grammar reminder, from the file's own header:
```
key <name> button <addr> [toggle]
key <name> axis <axis> deflect <n> # held, springs back
key <name> axis <axis> rate <n> # walks per second, sticks
pad <button> button <addr> [toggle]
padaxis <src> axis <axis> [invert] [deadzone <d>] [rate <n>]
```
---
## Xbox controller
```
( LB ) Panic Throttle / reverse ( RB )
( LT ) Left pedal Right pedal ( RT )
______________________________________________________
/ \
/ [Back] [Start] \
| unbound unbound |
| |
| ,--. (Y) |
| ( L ) stick X / Y Upper |
| `--' (X) (B) |
| +---+ Pinky Middle |
| D-pad --> |hat| (A) |
| +---+ Main |
| |
| ,--. |
| ( R ) throttle (Y axis) |
\ `--' /
\____________________________________________________ _/
```
| Control | Does | RIO address |
|---|---|---|
| Left stick | Joystick X / Y (inverted, deadzone 0.24 — pod convention) | axes |
| Right stick Y | Throttle, as a **rate**: hold to wind it up or down, position sticks | axis |
| Left / right trigger | Left / right pedal (deadzone 0.12) | axes |
| **A** | Main trigger | `0x40` |
| **B** | Middle | `0x46` |
| **X** | Pinky | `0x45` |
| **Y** | Upper | `0x47` |
| **LB** | Panic | `0x3D` |
| **RB** | Throttle button — reverse thrust | `0x3F` |
| D-pad | Hat: up / back / left / right (look) | `0x42` `0x41` `0x44` `0x43` |
| **Start**, **Back** | unbound — yours to map | — |
The config buttons (`0x37`/`0x36`) are the first two buttons of the
Upper Right MFD's top row, reachable from the keyboard on `9` and `0`.
Start and Back ship unbound so you can put anything there; the
commented lines in `bindings.txt` show how.
---
## Keyboard
### Flight cluster — the number pad
```
+-----+-----+-----+
| 7 | 8 | 9 | 7 / 9 left / right pedal
| Lped| fwd |Rped | 8 / 2 stick forward / back
+-----+-----+-----+ 4 / 6 stick left / right
| 4 | 5 | 6 | 0 main trigger
| left| |right|
+-----+-----+-----+
| 1 | 2 | 3 |
| | back| |
+-----+-----+-----+
| 0 | . |
| trigger | |
+-----------+-----+
Shift throttle up Ctrl throttle down Alt reverse thrust
(both throttle keys walk the axis and it holds where you leave it)
```
| Key | Does |
|---|---|
| NumPad 8 / 2 | Stick forward / back |
| NumPad 4 / 6 | Stick left / right |
| NumPad 7 / 9 | Left / right pedal |
| NumPad 0, Space | Main trigger (`0x40`) |
| Shift / Ctrl | Throttle up / down (position holds) |
| Alt | Reverse thrust (`0x3F`) |
| Arrow keys | Hat — look up / back / left / right |
| **Alt + Q** | Abort the mission (score banked, back to menu or lobby) |
### Panel buttons — the letter and number rows
The rest of the keyboard is the pod's button board, laid out as it is
printed on the panel. Each MFD has 8 buttons (a 4-wide top row and a
4-wide bottom row); the keyboard rows run left to right across the
three upper MFDs, then the two lower ones.
```
UPPER MFDs Left MFD Middle MFD Right MFD
top row 1 2 3 4 | 5 6 7 8 | 9 0 - =
bottom row Q W E R | T Y U I | O P [ ]
0x2F..0x2C 0x27..0x24 0x37..0x34
0x2B..0x28 0x23..0x20 0x33..0x30
LOWER MFDs Left MFD Right MFD
top row A S D F (G unbound) H J K L
bottom row Z X C V (B unbound) N M , .
0x0F..0x0C 0x07..0x04
0x0B..0x08 0x03..0x00
COLUMNS beside the map
Secondary F1 F2 F3 F4 F5 F6 0x10..0x15
Screen F7 F8 F9 F10 F11 F12 0x18..0x1D
```
G and B are deliberately unbound: they are the physical gap between the
Lower Left and Lower Right MFD clusters on the real board.
Every one of these buttons is also **clickable on screen** — the red
strips around each MFD and the amber strips beside the map are the same
addresses, and they light up when the game commands their lamps.
### Not bound by default
The pilot keypad (`0x50``0x5F`) and external operator keypad
(`0x60``0x6F`) have no keys assigned — the game never reads them. They
remain bindable if you want them (they arrive as arcade RIO key events).
---
## RGB keyboard lighting
If the machine has a Dynamic Lighting keyboard, bound panel keys mirror
the pod's lamps: red for the MFD banks, amber/yellow for the Secondary
and Screen columns, blinking in step with the on-screen buttons.
Unbound keys go dark. Set `RP412KEYLIGHT=0` in `environ.ini` to switch
it off.
---
## Rebinding
`bindings.txt` sits beside the exe, written with the full default layout
and its own documentation on first run. Change a line, restart the game.
Delete the file to restore these defaults — worth doing after an update,
since an existing file is never overwritten.
Examples:
```
key J button 0x40 # main trigger on J as well
pad X button 0x40 # move the trigger to the X button
key NumPadAdd axis Throttle rate 0.75 # throttle on numpad +/-
key NumPadSubtract axis Throttle rate -0.75
padaxis LeftStickX axis JoystickX deadzone 0.15 # drop 'invert' to flip X
```
Addresses: `0x00``0x47` are the lamp buttons above, `0x50``0x6F` the
keypads. Axis names: `Throttle`, `LeftPedal`, `RightPedal`, `JoystickX`,
`JoystickY`. Key names follow the .NET `Keys` naming (`A``Z`, `D0``D9`
for the digit row, `F1``F12`, `NumPad0``NumPad9`, `Up`, `Down`,
`Left`, `Right`, `Space`, `Return`, `Shift`, `Ctrl`, `Alt`,
`OemMinus`, `Oemplus`, `Oemcomma`, `OemPeriod`, `OemOpenBrackets`,
`OemCloseBrackets`, …).