Atari 2600 / F225
BEING VERIFIEDMEMORY INC/DEC NEEDS ENCODED ADDRESS WIDTH
- STATUS
- BEING VERIFIED
- AREA
- Memory / cartridge
- RECORDED
- 2026-07-15
- PUBLIC SOURCE
- Research dossier / finding 225
- RECORD ID
atari2600-f225- SNAPSHOT
d8dcf6d8dd492341
HYPOTHESIS: INC/DEC read, modify, and write one byte at the address selected by their encoded mode. Zero-page-X wraps modulo 256; absolute-X remains 16-bit even when its encoded high byte is zero.
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