Atari 2600 / F11
BEING VERIFIEDVSYNC Guard Too Conservative — Pac-Man Writes VSYNC at sl=193
- STATUS
- BEING VERIFIED
- AREA
- Timing / bus
- RECORDED
- 2026-03-28
- PUBLIC SOURCE
- Research dossier / finding 11
- RECORD ID
atari2600-f11- SNAPSHOT
a58ea4ac37c644e9
Game: Pac-Man (NA) Bug: Scanline count fluctuated: 259, 263, 265, 271, 288, 326, 511 per frame instead of ~193. Root Cause: VSYNC handler guard required scanline_count >= 200.
Raw traces, ROM material, local paths, and personal data are not part of this public record.
01INPUT IDhash receipt
02BYTE MAPdecode coverage
03CPU STATEtrace comparison
04BUS / TIMEordered effects
05OUTPUTvisual · audio · input
06ARTIFACTbuild identity