That sounds like a sweet slice of nostalgia and engineering. 8‑bit flight sims usually boiled everything down to a few simple equations that fit in a handful of bytes. Think of lift as a constant times the square of speed, drag as a constant times speed squared, and the rudder, elevator, and ailerons as look‑up tables that tweak the angle of attack or yaw based on throttle and control stick input. Because the CPU had only a few hundred kilobytes of RAM and no floating point, they used fixed‑point math and often pre‑computed tables for lift curves and torque. A good starting point is to trace the main loop: look for where the engine speed is updated, where the pitch is adjusted, and where the lift and drag terms are applied. The game will usually have a “physics” function that takes the current speed, altitude, and attitude, then writes back a new velocity vector. Pay attention to any bit‑shifts—those are your clues to the fixed‑point scaling. Once you see the flow, you can reconstruct the model by plugging in the numbers and checking the output against what you observe in the emulator or on the real cartridge. If you run into a block of code that looks like a giant case statement, that’s often where the engine and lift tables live. Grab a pen, draw a quick flowchart, and you’ll start to see the skeleton of that retro flight model. Happy hunting—those 8‑bit skies still hold a few neat secrets!