Authoritative state
Machine registers, game world, accepted input sequence, evidence state, and checkpoints own what actually happened.
OVERLIFT ARCHITECTURE · REAL-TIME SYSTEMS
Degrade presentation. Never invent a different world.
Real-time systems expose every weak boundary at once: input arrives late, audio starves, GPU devices disappear, queues back up, predictors become stale, and browsers interrupt work. OverLift keeps the accepted world separate from prediction and delivery so recovery can be exact rather than persuasive.
THE FIVE PLANES
Speed matters, but each fast lane gets a smaller authority than the world it serves.
Exact state, candidate intelligence, execution deadlines, delivery, and presentation are related without being collapsed.
Bounded prediction
Interpolation, learned tactics, semantic guidance, and path forecasts remain epoch-bound candidates that can expire or abstain.
Deadline-aware work
Workers, native/Wasm kernels, deterministic compilers, and typed queues execute under declared budgets and fail closed.
Transport and pacing
SharedArrayBuffer, MessageChannel, AudioWorklet rings, frame queues, and network packets move accepted state without owning it.
Qualified fast paths
WebGPU remains first where supported; WebGL2 and Canvas are observed-failure fallbacks, never alternate truth engines.
Receipts and recovery
Every interruption, fallback, dropped presentation detail, and requalified lane can be explained and replayed from admitted state.
DETERMINISTIC REAL-TIME SYSTEMS LAB
What is allowed to degrade when a deadline, device, or queue fails?
Inspect authoritative world state, prediction, delivery, presentation, permitted degradation, prohibited mutation, and replay. A late or failed fast path never receives permission to invent a different world.
Frame, machine, input, epoch, and checkpoint identities are exact before acceleration begins.
Interpolation, learned strategy, and GPU output remain candidates tied to one source epoch.
Drop detail, repeat a frame, coalesce telemetry, or fall back without changing accepted state.
Requalify failed lanes and replay the same world from admitted checkpoints and inputs.
Loading the deterministic real-time contract…
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This laboratory is deterministic and same-origin. It performs no networked game action, machine mutation, device control, or external write.
PORTFOLIO PROOF
The same boundary survives very different deadlines.
Neon Drift and CITADEL test agent decisions inside a live world. Arcadia and the emulator suite test exact machine execution, native audio, and frame delivery. C64 XR adds storage, WebXR, controllers, and device constraints.
Adaptive intelligence, one legal world
VANTA can learn, predict, coordinate, and abstain. Deterministic world authority still owns legal movement, collisions, trails, speed, and outcomes.
Open Neon Drift proof →Exact machines, qualified presentation
Worker-owned arcade execution, title-level admission, persistent audio delivery, cabinet controls, and renderer fallback preserve one machine state.
Open Arcadia proof →Audio, video, input, and replay under pressure
Wasm cores, AudioWorklet, Worker queues, WebGPU-first presentation, compatibility gates, and long-play tests make timing failures visible.
Open emulator proof →One machine across desktop and spatial delivery
Dual-drive state, storage, audio, HTTPS asset proof, controller input, and WebXR must recover without creating a second Commodore 64.
Open C64 XR proof →