OPERATOR CHECKLIST C128 CINEMATIC DEMO [ ] Run in native C128 mode, not C64 mode [ ] Confirm BASIC 7.0 listing loads cleanly [ ] Confirm Q exits the entire dispatcher [ ] Confirm bitmap modules are visible in SLOW mode [ ] Confirm 80-column VDC screen is connected/visible [ ] Confirm FAST telemetry wall appears on the VDC [ ] Watch radar for malformed coordinates [ ] Watch trajectory for out-of-range drawing [ ] Confirm cube arrays remain stable after other modules [ ] Confirm erase operations do not chew holes in static framing [ ] Let the system run through all 13 modes at least once [ ] Save a known-good copy before visual experimentation If the computer looks like it is plotting something it should not know about, that is considered a visual success, not a defect.