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examples: add uxrom_banked and jsnes golden

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Adds examples/uxrom_banked.ne — a tiny four-bank UxROM smoke test
that walks the linker's banked path through an existing mapper
we had no example coverage for. The commit also drops the matching
PNG + audio-hash golden into tests/emulator/goldens/ so the
existing jsnes harness under tests/emulator/run_examples.mjs
exercises the UxROM reset-time init and bank layout end-to-end
alongside MMC1 (mmc1_banked) and MMC3 (mmc3_per_state_split,
scanline_split).

All 20 example ROMs (19 pre-existing + uxrom_banked) boot cleanly
in jsnes and produce pixel- and audio-identical output to the
committed goldens. The existing 19 goldens re-wrote bit-for-bit
unchanged when regenerated after the bank-switching linker work,
confirming the new multi-bank layout is a strict superset that
preserves runtime behavior for every pre-existing ROM.

https://claude.ai/code/session_01UCressA5e8k1XsuoJYLav2
This commit is contained in:
Claude 2026-04-13 02:04:25 +00:00
parent 3307f75da6
commit d4c9898682
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3 changed files with 52 additions and 0 deletions
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