Splits the control surface the game consumes from the RIO board into
RIOBase (8 virtuals + the five analog scalars); the serial RIO is now one
implementation of it. Adds two new ones:
- PadRIO (L4CONTROLS=PAD): in-process RIO speaking the full surface from
an XInput controller + PC keyboard using vRIO's default profile (left
stick/WASD = stick, triggers/Q,E = pedals, right stick Y/PgUp,PgDn =
rate throttle that holds position, A/Space = trigger, B/R = reverse,
dpad/arrows = hat, Start,Back/F1,F2 = config). Samples in GetNextEvent
so button latency does not depend on the 15 s menu-time analog cadence;
hot-plugs pads; L4PADFLIP=XY inverts stick axes; lamp commands land in
lampState[] for the planned on-screen cockpit panel. The stock
VTVRIOMapper/lamp/button path runs unchanged.
- PlasmaScreen (L4PLASMA=SCREEN): the 128x32 plasma glass as a desktop
window in plasma orange (L4PLASMASCALE, default x4), rendering the same
Video8BitBuffered surface the gauge system always drew; no COM port.
Verified in the sandbox with vRIO off and no serial devices: boots to a
running mission, controller hot-detected, plasma window drawing live game
content (score readout). BUILD.md 4 documents the desktop environ.ini and
bindings; roadmap updated.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>