v1.0.0prerelease-2

Full Changelog: v1.0.0p-1...v1.0.0p-2

v1.0.0prerelease-1

Pokémon Chromatic Yellow

Pokémon Yellow with its aging Gen 1 battle engine ripped out and replaced by modern,
Gen 6+ mechanics — same Kanto, same 151 Pokémon, same story, same Pikachu at your heels.
Below is everything that's changed from vanilla Yellow.

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⚔️ Battle mechanics — brought up to the modern day

• Full Gen 6+ type chart, with new types added: Steel, Dark, Fairy,
  Stellar (neutral vs. everything), Sound, Light, and ??? (typeless).
  Ghost hits Psychic, Bug/Poison no longer maul each other, Steel resistances apply, and
  many moves are retyped off Normal (Karate Chop → Fighting, Bite → Dark, Growl → Sound).
• Physical/Special split — every move carries its own damage category (Gen 4+
  assignments) instead of it being decided by the move's type. Counter now counters any
  physical move.
• Separate Sp. Atk and Sp. Def — the single "Special" stat is split into two modern
  base values. The summary screen now shows all six stats.
• Modern EVs — defeating a Pokémon awards its modern EV yield, capped at 252 per
  stat / 510 total. Vitamins give +10 within the caps.
• Modern critical hits — staged rates (1/24 base, 1/8 high-crit, 1/2 with Focus
  Energy, guaranteed at stage 3+), dealing 1.5× on unmodified stats.
• Status immunities — Steel types can't be poisoned; Electric types can't be paralyzed.
• Modern EXP sharing — the whole party earns experience whenever an enemy is knocked
  out or caught, not just the Pokémon that fought. (This makes Exp. All redundant, so
  it's deprecated.)

✨ Terastallization

The Gen 9 Terastal phenomenon, adapted for Kanto:

• The Viridian Mart clerk hands over a Tera Orb along with Prof. Oak's parcel.
• Every Pokémon has a Tera Type (default: its primary type), changeable at any time by
  pressing SELECT on the stats screen — any type except ??? and Stellar.
• In battle, press START on the move menu to prime Terastallization. It triggers once
  per battle when your move executes, turning the Pokémon into a pure Tera-Type for the
  rest of the fight (backing out or switching doesn't waste it). A three-letter type tag
  (e.g. "GHO") appears on the battle nameplate.
• STAB follows Gen 9 rules — tera-type and original-type moves both get 1.5×; if the
  Tera Type matches an original type, that type's moves hit at 2×.
• Boss aces terastallize too — gym leaders, Giovanni, the Elite Four and the rival all
  Terastallize their last Pokémon the moment it's sent out.

🔄 Complete move overhaul

• The move list was redone from scratch — 225 moves. Every attacking type gets one
  move in each power band (weak / moderate / strong / strongest × physical / special).
• All 55 original status moves survive with their original IDs.
• Every learnset and TM was rebuilt to match the new move list.

🧠 Trainer & AI overhaul

• Boss teams rebuilt into competitive six-Pokémon parties with item-aware AI.
• Regular trainers given curated, level-capped movesets (STAB + coverage + one utility).

🃏 New minigame — Texas Hold'em

• A Texas Hold'em poker minigame is now playable at every Pokémon Center and the
  Game Corner.
• Heads-up mode (you vs. the dealer) lets you play for money or coins; a 4-max table
  (you + 3 AI) plays for coins.

🐛 Fixed vanilla bugs

• The 1/256-miss glitch is gone — 100%-accuracy moves can't miss.
• The Focus Energy bug is fixed (it now correctly raises your crit rate).
• GetName no longer corrupts Pokémon names for IDs ≥ $C4.

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📖 Reference documentation

Generated straight from the game data — the fastest way to see the current balance:

• docs/pokemon_reference.md — all 151 Pokémon (split stats, EV yields, catch rate,
  base exp, evolutions, locations, movesets, TM/HM compatibility) plus the full type chart
  and move table.
• docs/trainer_reference.md — every trainer battle: class, location, party, levels,
  and the exact moveset each Pokémon uses.

💾 Save compatibility

Saved games carry over between builds — the engine re-derives the map pointers cached in a
save when you continue, so a save file from an older build keeps working.

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Built on the pret/pokeyellow disassembly. Pokémon is
© Nintendo / Creatures Inc. / GAME FREAK Inc. Non-commercial fan project; no copyrighted
ROM is distributed.