REFORGE
Atari 2600 / F8
BEING VERIFIED

TIA Read/Write Register Overlap — INPT4 Clobbered by REFP1

STATUS
BEING VERIFIED
AREA
Timing / bus
RECORDED
2026-03-25
PUBLIC SOURCE
Research dossier / finding 8
RECORD ID
atari2600-f8
SNAPSHOT
a58ea4ac37c644e9

Game: Pac-Man (NA) Bug: Game state ($82) stuck at 0x00 (attract mode) — never entering play mode. Root Cause: TIA read register INPT4 ($0C, fire button) and TIA write register REFP1 ($0C, player 1 reflect) share address $0C.

Raw traces, ROM material, local paths, and personal data are not part of this public record.