Atari 2600 / F252
BEING VERIFIEDZERO-PAGE READS NOW USE THEIR DATA CYCLE AS THE LOAD
- STATUS
- BEING VERIFIED
- AREA
- Timing / bus
- RECORDED
- 2026-07-16
- PUBLIC SOURCE
- Research dossier / finding 252
- RECORD ID
atari2600-f252- SNAPSHOT
f114355884d03a2c
HYPOTHESIS: unindexed zero-page read instructions need three external accesses: opcode at PC, address low at PC+1, and data at $00xx. Merely adding a traced data read before the existing functional mem_read8 would duplicate mapper or I/O side effects.
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