first commit

16 files changed, 1784 insertions, 0 deletions

diff --git a/constants/battle.inc b/constants/battle.inc
new file mode 100644
index 000000000..94b7a6d48
--- /dev/null
+++ b/constants/battle.inc
@@ -0,0 +1,101 @@
+@ status 1
+.equiv SLP, 0x07
+.equiv PSN, 0x08
+.equiv BRN, 0x10
+.equiv FRZ, 0x20
+.equiv PAR, 0x40
+.equiv TOX, 0x80
+
+@ status 2
+.equiv S_CONFUSED,     0x00000007
+.equiv S_CONTINUE,     0x00001000
+.equiv S_TEMP_TRAP,    0x0000E000 @ Wrap, Bind, etc.
+.equiv S_INFATUATED,   0x000F0000
+.equiv S_FOCUS_ENERGY, 0x00100000
+.equiv S_SUBSTITUTE,   0x01000000
+.equiv S_MEAN_LOOK,    0x04000000
+.equiv S_NIGHTMARE,    0x08000000
+.equiv S_CURSED,       0x10000000
+.equiv S_FORESIGHT,    0x20000000
+.equiv S_TORMENT,      0x80000000
+
+@ status 3
+.equiv S_LEECH_SEED,  0x00000004
+.equiv S_ALWAYS_HIT,  0x00000010
+.equiv S_PERISH_SONG, 0x00000020
+.equiv S_ROOTED,      0x00000400
+.equiv S_YAWN,        0x00001800
+.equiv S_IMPRISONED,  0x00002000
+.equiv S_MUD_SPORT,   0x00010000
+.equiv S_WATER_SPORT, 0x00020000
+
+@ status 4
+.equiv S_REFLECT,      0x0001
+.equiv S_LIGHT_SCREEN, 0x0002
+.equiv S_SPIKES,       0x0010
+.equiv S_SAFEGUARD,    0x0020
+.equiv S_FUTURE_SIGHT, 0x0040
+.equiv S_MIST,         0x0100
+
+.equiv TARGET, 0
+.equiv USER, 1
+
+.equiv WEATHER_SUN, 0
+.equiv WEATHER_RAIN, 1
+.equiv WEATHER_SANDSTORM, 2
+.equiv WEATHER_HAIL, 3
+
+	enum_start 1
+	enum ATTACK
+	enum DEFENSE
+	enum SPEED
+	enum SP_ATTACK
+	enum SP_DEFENSE
+	enum ACCURACY
+	enum EVASION
+
+@ status animation table
+.equiv B_ANIM_STATUS_PSN,              0x0
+.equiv B_ANIM_STATUS_CONFUSION,        0x1
+.equiv B_ANIM_STATUS_BRN,              0x2
+.equiv B_ANIM_STATUS_INFATUATION,      0x3
+.equiv B_ANIM_STATUS_SLP,              0x4
+.equiv B_ANIM_STATUS_PRZ,              0x5
+.equiv B_ANIM_STATUS_FRZ,              0x6
+.equiv B_ANIM_STATUS_CURSED,           0x7
+.equiv B_ANIM_STATUS_NIGHTMARE,        0x8
+.equiv B_ANIM_STATUS_WRAPPED,          0x9
+
+@ general animation table
+.equiv B_ANIM_CASTFORM_CHANGE,         0x0
+.equiv B_ANIM_STATS_CHANGE,            0x1
+.equiv B_ANIM_SUBSTITUTE_FADE,         0x2
+.equiv B_ANIM_SUBSTITUTE_APPEAR,       0x3
+.equiv B_ANIM_POKEBLOCK_THROW,         0x4
+.equiv B_ANIM_ITEM_KNOCKOFF,           0x5
+.equiv B_ANIM_TURN_TRAP,               0x6
+.equiv B_ANIM_ITEM_EFFECT,             0x7
+.equiv B_ANIM_SMOKEBALL_ESCAPE,        0x8
+.equiv B_ANIM_HANGED_ON,               0x9
+.equiv B_ANIM_RAIN_CONTINUES,          0xA
+.equiv B_ANIM_SUN_CONTINUES,           0xB
+.equiv B_ANIM_SANDSTORM_CONTINUES,     0xC
+.equiv B_ANIM_HAIL_CONTINUES,          0xD
+.equiv B_ANIM_LEECH_SEED_DRAIN,        0xE
+.equiv B_ANIM_MON_HIT,                 0xF
+.equiv B_ANIM_ITEM_STEAL,              0x10
+.equiv B_ANIM_SNATCH_MOVE,             0x11
+.equiv B_ANIM_FUTURE_SIGHT_HIT,        0x12
+.equiv B_ANIM_DOOM_DESIRE_HIT,         0x13
+.equiv B_ANIM_FOCUS_PUNCH_SET_UP,      0x14
+.equiv B_ANIM_INGRAIN_HEAL,            0x15
+.equiv B_ANIM_WISH_HEAL,               0x16
+
+@ special animation table
+.equiv B_ANIM_LVL_UP,                  0x0
+.equiv B_ANIM_SWITCH_OUT_PLAYER_MON,   0x1
+.equiv B_ANIM_SWITCH_OUT_OPPONENT_MON, 0x2
+.equiv B_ANIM_BALL_THROW,              0x3
+.equiv B_ANIM_SAFARI_BALL_THROW,       0x4
+.equiv B_ANIM_SUBSTITUTE_TO_MON,       0x5
+.equiv B_ANIM_MON_TO_SUBSTITUTE,       0x6
diff --git a/constants/battle_move_constants.inc b/constants/battle_move_constants.inc
new file mode 100644
index 000000000..a05da3db3
--- /dev/null
+++ b/constants/battle_move_constants.inc
@@ -0,0 +1,15 @@
+	.set TARGET_SELECTED_POKEMON, 0
+
+	.set F_TARGET_SPECIAL,         1 << 0
+	.set F_TARGET_RANDOM,          1 << 2
+	.set F_TARGET_BOTH_ENEMIES,    1 << 3
+	.set F_TARGET_USER,            1 << 4
+	.set F_TARGET_ALL_EXCEPT_USER, 1 << 5
+	.set F_TARGET_ENEMY_SIDE,      1 << 6
+
+	.set F_MAKES_CONTACT,          1 << 0
+	.set F_AFFECTED_BY_PROTECT,    1 << 1
+	.set F_AFFECTED_BY_MAGIC_COAT, 1 << 2
+	.set F_AFFECTED_BY_SNATCH,     1 << 3
+	.set F_MIRROR_MOVE_COMPATIBLE, 1 << 4
+	.set F_AFFECTED_BY_KINGS_ROCK, 1 << 5
diff --git a/constants/battle_text.inc b/constants/battle_text.inc
new file mode 100644
index 000000000..f7025f68f
--- /dev/null
+++ b/constants/battle_text.inc
@@ -0,0 +1,352 @@
+	enum_start 12
+	enum BATTLE_TEXT_UnknownString
+	enum BATTLE_TEXT_GainExpPoints
+	enum BATTLE_TEXT_GrewLevel
+	enum BATTLE_TEXT_LearnedMove
+	enum BATTLE_TEXT_TryingToLearnMove
+	enum BATTLE_TEXT_CantLearnMore
+	enum BATTLE_TEXT_DeleteMove
+	enum BATTLE_TEXT_DeletedMove
+	enum BATTLE_TEXT_StopLearning
+	enum BATTLE_TEXT_DidNotLearn
+	enum BATTLE_TEXT_LearnedMove2
+	enum BATTLE_TEXT_AttackMissed
+	enum BATTLE_TEXT_ProtectedItself
+	enum BATTLE_TEXT_StatNoHigher
+	enum BATTLE_TEXT_AvoidedDamage
+	enum BATTLE_TEXT_DoesntAffect
+	enum BATTLE_TEXT_AttackingFainted
+	enum BATTLE_TEXT_DefendingFainted
+	enum BATTLE_TEXT_WinningPrize
+	enum BATTLE_TEXT_OutOfUsablePoke
+	enum BATTLE_TEXT_WhitedOut
+	enum BATTLE_TEXT_PreventEscape
+	enum BATTLE_TEXT_HitMulti
+	enum BATTLE_TEXT_FellAsleep
+	enum BATTLE_TEXT_MadeAsleep
+	enum BATTLE_TEXT_DefendingAsleep
+	enum BATTLE_TEXT_AttackingAsleep
+	enum BATTLE_TEXT_WasntAffected
+	enum BATTLE_TEXT_Poisoned
+	enum BATTLE_TEXT_Poisoned2
+	enum BATTLE_TEXT_PoisonHurt
+	enum BATTLE_TEXT_AlreadyPoisoned
+	enum BATTLE_TEXT_BadlyPoisoned
+	enum BATTLE_TEXT_EnergyDrained
+	enum BATTLE_TEXT_Burned
+	enum BATTLE_TEXT_Burned2
+	enum BATTLE_TEXT_BurnHurt
+	enum BATTLE_TEXT_Frozen
+	enum BATTLE_TEXT_Frozen2
+	enum BATTLE_TEXT_FrozenSolid
+	enum BATTLE_TEXT_DefendingDefrosted
+	enum BATTLE_TEXT_AttackingDefrosted
+	enum BATTLE_TEXT_Defrosted
+	enum BATTLE_TEXT_Paralyzed
+	enum BATTLE_TEXT_Paralyzed2
+	enum BATTLE_TEXT_Paralyzed3
+	enum BATTLE_TEXT_AlreadyParalyzed
+	enum BATTLE_TEXT_ParalysisHealed
+	enum BATTLE_TEXT_DreamEaten
+	enum BATTLE_TEXT_AttackingStatNoHigher
+	enum BATTLE_TEXT_DefendingStatNoHigher
+	enum BATTLE_TEXT_StoppedWorking
+	enum BATTLE_TEXT_StoppedWorking2
+	enum BATTLE_TEXT_Confused
+	enum BATTLE_TEXT_ConfusionSnapOut
+	enum BATTLE_TEXT_BecameConfused
+	enum BATTLE_TEXT_AlreadyConfused
+	enum BATTLE_TEXT_FellLove
+	enum BATTLE_TEXT_InLoveWith
+	enum BATTLE_TEXT_ImmobilizedBy
+	enum BATTLE_TEXT_BlownAway
+	enum BATTLE_TEXT_TypeTransform
+	enum BATTLE_TEXT_Flinched
+	enum BATTLE_TEXT_RegainedHealth
+	enum BATTLE_TEXT_HPFull
+	enum BATTLE_TEXT_RaisedSpDef
+	enum BATTLE_TEXT_RaisedDefense
+	enum BATTLE_TEXT_CoveredVeil
+	enum BATTLE_TEXT_SafeguardActive
+	enum BATTLE_TEXT_SafeguardFaded
+	enum BATTLE_TEXT_WentToSleep
+	enum BATTLE_TEXT_SpeltHealthy
+	enum BATTLE_TEXT_WhipWhirlwind
+	enum BATTLE_TEXT_TookSunlight
+	enum BATTLE_TEXT_LoweredHead
+	enum BATTLE_TEXT_IsGlowing
+	enum BATTLE_TEXT_FlewHigh
+	enum BATTLE_TEXT_DugHole
+	enum BATTLE_TEXT_SqueezedBind
+	enum BATTLE_TEXT_TrappedVortex
+	enum BATTLE_TEXT_Wrapped
+	enum BATTLE_TEXT_Clamped
+	enum BATTLE_TEXT_HurtBy
+	enum BATTLE_TEXT_FreedFrom
+	enum BATTLE_TEXT_KeptGoingCrash
+	enum BATTLE_TEXT_MistShroud
+	enum BATTLE_TEXT_MistProtect
+	enum BATTLE_TEXT_GetPumped
+	enum BATTLE_TEXT_HitRecoil
+	enum BATTLE_TEXT_ProtectedItself2
+	enum BATTLE_TEXT_SandBuffeted
+	enum BATTLE_TEXT_HailStricken
+	enum BATTLE_TEXT_WasSeeded
+	enum BATTLE_TEXT_EvadedAttack
+	enum BATTLE_TEXT_HealthSapped
+	enum BATTLE_TEXT_FastAsleep
+	enum BATTLE_TEXT_WokeUp
+	enum BATTLE_TEXT_UproarAwake
+	enum BATTLE_TEXT_UproarWoke
+	enum BATTLE_TEXT_UproarCaused
+	enum BATTLE_TEXT_UproarMaking
+	enum BATTLE_TEXT_CalmedDown
+	enum BATTLE_TEXT_UproarCantSleep
+	enum BATTLE_TEXT_Stockpiled
+	enum BATTLE_TEXT_StockpiledCant
+	enum BATTLE_TEXT_UproarCantSleep2
+	enum BATTLE_TEXT_UproarKeptAwake
+	enum BATTLE_TEXT_StayedAwake
+	enum BATTLE_TEXT_StoringEnergy
+	enum BATTLE_TEXT_UnleashedEnergy
+	enum BATTLE_TEXT_FatigueConfuse
+	enum BATTLE_TEXT_PickedUpYen
+	enum BATTLE_TEXT_Unaffected
+	enum BATTLE_TEXT_Transformed
+	enum BATTLE_TEXT_SubMade
+	enum BATTLE_TEXT_SubAlready
+	enum BATTLE_TEXT_SubTookDamage
+	enum BATTLE_TEXT_SubFaded
+	enum BATTLE_TEXT_MustRecharge
+	enum BATTLE_TEXT_RageBuilding
+	enum BATTLE_TEXT_MoveWasDisabled
+	enum BATTLE_TEXT_MoveIsDisabled
+	enum BATTLE_TEXT_DisabledNoMore
+	enum BATTLE_TEXT_EncoreGot
+	enum BATTLE_TEXT_EncoreEnded
+	enum BATTLE_TEXT_TookAim
+	enum BATTLE_TEXT_SketchedMove
+	enum BATTLE_TEXT_DestinyBondTake
+	enum BATTLE_TEXT_DestinyBondTaken
+	enum BATTLE_TEXT_ReducedBy
+	enum BATTLE_TEXT_StoleSomething
+	enum BATTLE_TEXT_CantEscapeNow
+	enum BATTLE_TEXT_NightmareStart
+	enum BATTLE_TEXT_NightmareLock
+	enum BATTLE_TEXT_CurseLay
+	enum BATTLE_TEXT_CurseAfflict
+	enum BATTLE_TEXT_SpikesScattered
+	enum BATTLE_TEXT_SpikesHurt
+	enum BATTLE_TEXT_IdentifiedPoke
+	enum BATTLE_TEXT_PerishSongFell
+	enum BATTLE_TEXT_BracedItself
+	enum BATTLE_TEXT_EnduredHit
+	enum BATTLE_TEXT_MagnitudeCount
+	enum BATTLE_TEXT_CutHPMaxATK
+	enum BATTLE_TEXT_CopyStatChanges
+	enum BATTLE_TEXT_GotFreeFrom
+	enum BATTLE_TEXT_LeechShed
+	enum BATTLE_TEXT_SpikesBlownAway
+	enum BATTLE_TEXT_FledBattle
+	enum BATTLE_TEXT_ForesawAttack
+	enum BATTLE_TEXT_TookAttack
+	enum BATTLE_TEXT_PokeAttack
+	enum BATTLE_TEXT_CenterAttention
+	enum BATTLE_TEXT_ChargingPower
+	enum BATTLE_TEXT_NaturePower
+	enum BATTLE_TEXT_StatusNormal
+	enum BATTLE_TEXT_NoMovesLeft
+	enum BATTLE_TEXT_TormentSubject
+	enum BATTLE_TEXT_TormentNoUse
+	enum BATTLE_TEXT_TightenFocus
+	enum BATTLE_TEXT_TauntFell
+	enum BATTLE_TEXT_TauntNoUse
+	enum BATTLE_TEXT_ReadyToHelp
+	enum BATTLE_TEXT_SwitchedItems
+	enum BATTLE_TEXT_CopiedObject
+	enum BATTLE_TEXT_WishMade
+	enum BATTLE_TEXT_WishTrue
+	enum BATTLE_TEXT_PlantedRoots
+	enum BATTLE_TEXT_AbsorbNutrients
+	enum BATTLE_TEXT_AnchoredItself
+	enum BATTLE_TEXT_DrowsyMade
+	enum BATTLE_TEXT_KnockedOffItem
+	enum BATTLE_TEXT_AbilitySwap
+	enum BATTLE_TEXT_SealedMove
+	enum BATTLE_TEXT_SealedNoUse
+	enum BATTLE_TEXT_GrudgeBear
+	enum BATTLE_TEXT_GrudgeLosePP
+	enum BATTLE_TEXT_ShroudedItself
+	enum BATTLE_TEXT_MagicCoatBounce
+	enum BATTLE_TEXT_AwaitMove
+	enum BATTLE_TEXT_SnatchedMove
+	enum BATTLE_TEXT_RainMade
+	enum BATTLE_TEXT_SpeedRisen
+	enum BATTLE_TEXT_ProtectedBy
+	enum BATTLE_TEXT_PreventedBy
+	enum BATTLE_TEXT_HPRestoredUsing
+	enum BATTLE_TEXT_MadeType
+	enum BATTLE_TEXT_PreventedPara
+	enum BATTLE_TEXT_PreventedRomance
+	enum BATTLE_TEXT_PreventedPoison
+	enum BATTLE_TEXT_PreventedConfusion
+	enum BATTLE_TEXT_RaisedFirePower
+	enum BATTLE_TEXT_AnchorsItself
+	enum BATTLE_TEXT_CutsAttack
+	enum BATTLE_TEXT_PreventedStatLoss
+	enum BATTLE_TEXT_HurtOther
+	enum BATTLE_TEXT_Traced
+	enum BATTLE_TEXT_Sharply
+	enum BATTLE_TEXT_Rose
+	enum BATTLE_TEXT_Harshly
+	enum BATTLE_TEXT_Fell
+	enum BATTLE_TEXT_UnknownString7
+	enum BATTLE_TEXT_UnknownString3
+	enum BATTLE_TEXT_UnknownString5
+	enum BATTLE_TEXT_UnknownString6
+	enum BATTLE_TEXT_Critical
+	enum BATTLE_TEXT_GrandSlam
+	enum BATTLE_TEXT_MoveForget123
+	enum BATTLE_TEXT_MoveForgetAnd
+	enum BATTLE_TEXT_NotEffective
+	enum BATTLE_TEXT_SuperEffective
+	enum BATTLE_TEXT_GotAwaySafely
+	enum BATTLE_TEXT_FledWild
+	enum BATTLE_TEXT_NoRunning
+	enum BATTLE_TEXT_CantEscape2
+	enum BATTLE_TEXT_BirchDontLeaveMe
+	enum BATTLE_TEXT_Nothing
+	enum BATTLE_TEXT_Failed
+	enum BATTLE_TEXT_HurtItself
+	enum BATTLE_TEXT_MirrorFail
+	enum BATTLE_TEXT_RainStart
+	enum BATTLE_TEXT_PourStart
+	enum BATTLE_TEXT_RainCont1
+	enum BATTLE_TEXT_PourCont
+	enum BATTLE_TEXT_RainStop
+	enum BATTLE_TEXT_SandBrewed
+	enum BATTLE_TEXT_SandRages
+	enum BATTLE_TEXT_SandSubsided
+	enum BATTLE_TEXT_SunBright
+	enum BATTLE_TEXT_SunStrong
+	enum BATTLE_TEXT_SunFaded
+	enum BATTLE_TEXT_HailStart
+	enum BATTLE_TEXT_HailCont
+	enum BATTLE_TEXT_HailStop
+	enum BATTLE_TEXT_SpitUpFail
+	enum BATTLE_TEXT_SwallowFail
+	enum BATTLE_TEXT_WindHeatWave
+	enum BATTLE_TEXT_StatElim
+	enum BATTLE_TEXT_CoinScatter
+	enum BATTLE_TEXT_SubWeak
+	enum BATTLE_TEXT_PainSplit
+	enum BATTLE_TEXT_BellChime
+	enum BATTLE_TEXT_PerishSong
+	enum BATTLE_TEXT_NoPP1
+	enum BATTLE_TEXT_NoPP2
+	enum BATTLE_TEXT_Used1
+	enum BATTLE_TEXT_TutorialUsed
+	enum BATTLE_TEXT_BlockBall
+	enum BATTLE_TEXT_DontBeAThief
+	enum BATTLE_TEXT_DodgeBall
+	enum BATTLE_TEXT_MissPoke
+	enum BATTLE_TEXT_BallBrokeOhNo
+	enum BATTLE_TEXT_BallBrokeAppeared
+	enum BATTLE_TEXT_BallBrokeAlmost
+	enum BATTLE_TEXT_BallBrokeSoClose
+	enum BATTLE_TEXT_BallCaught1
+	enum BATTLE_TEXT_BallCaught2
+	enum BATTLE_TEXT_GiveNickname
+	enum BATTLE_TEXT_SentToPC
+	enum BATTLE_TEXT_AddedToDex
+	enum BATTLE_TEXT_Raining
+	enum BATTLE_TEXT_Sandstorm
+	enum BATTLE_TEXT_CantEscape
+	enum BATTLE_TEXT_IgnoredOrdersSLP
+	enum BATTLE_TEXT_IgnoredOrders
+	enum BATTLE_TEXT_BeganNap
+	enum BATTLE_TEXT_LoafingAround
+	enum BATTLE_TEXT_WontObey
+	enum BATTLE_TEXT_TurnedAway
+	enum BATTLE_TEXT_NotNotice
+	enum BATTLE_TEXT_WillSwitch
+	enum BATTLE_TEXT_CreptCloser
+	enum BATTLE_TEXT_CantGetCloser
+	enum BATTLE_TEXT_WatchingCarefully
+	enum BATTLE_TEXT_CuriousAbout
+	enum BATTLE_TEXT_EnthralledBy
+	enum BATTLE_TEXT_IgnoredThing
+	enum BATTLE_TEXT_ThrewBlock
+	enum BATTLE_TEXT_SafariOver
+	enum BATTLE_TEXT_CuredParalysis
+	enum BATTLE_TEXT_CuredPoison
+	enum BATTLE_TEXT_CuredBurn
+	enum BATTLE_TEXT_CuredFreeze
+	enum BATTLE_TEXT_CuredSleep
+	enum BATTLE_TEXT_CuredConfusion
+	enum BATTLE_TEXT_CuredStatus
+	enum BATTLE_TEXT_RestoredHealth
+	enum BATTLE_TEXT_RestoredPP
+	enum BATTLE_TEXT_RestoredStatus
+	enum BATTLE_TEXT_RestoredHPLittle
+	enum BATTLE_TEXT_ChoiceBand
+	enum BATTLE_TEXT_FocusSash
+	enum BATTLE_TEXT_Terminator2 @ terminator?
+	enum BATTLE_TEXT_PreventedBurn
+	enum BATTLE_TEXT_BlocksOther
+	enum BATTLE_TEXT_RestoredHPByItem
+	enum BATTLE_TEXT_WhipSandstorm
+	enum BATTLE_TEXT_PreventedLoss
+	enum BATTLE_TEXT_InfatuatedPoke
+	enum BATTLE_TEXT_MadeIneffective
+	enum BATTLE_TEXT_CuredProblem
+	enum BATTLE_TEXT_OozeSuckup
+	enum BATTLE_TEXT_Transformed2
+	enum BATTLE_TEXT_ElecWeakened
+	enum BATTLE_TEXT_FireWeakened
+	enum BATTLE_TEXT_HidUnderwater
+	enum BATTLE_TEXT_SprangUp
+	enum BATTLE_TEXT_CantForgetHM
+	enum BATTLE_TEXT_FoundOne
+	enum BATTLE_TEXT_PlayerDefeatedTrainer2
+	enum BATTLE_TEXT_SoothingAroma
+	enum BATTLE_TEXT_CantUseItems
+	enum BATTLE_TEXT_UnknownString2
+	enum BATTLE_TEXT_UnknownString4
+	enum BATTLE_TEXT_HustleUse
+	enum BATTLE_TEXT_MadeUseless
+	enum BATTLE_TEXT_SandTombTrapped @ sand tomb
+	enum BATTLE_TEXT_Terminator
+	enum BATTLE_TEXT_BoostedExp
+	enum BATTLE_TEXT_SunIntensified
+	enum BATTLE_TEXT_GroundMoveNegate
+	enum BATTLE_TEXT_WallyBall
+	enum BATTLE_TEXT_TookAttack2
+	enum BATTLE_TEXT_ChoseDestiny
+	enum BATTLE_TEXT_LostFocus
+	enum BATTLE_TEXT_UseNext
+	enum BATTLE_TEXT_FledUsingItem
+	enum BATTLE_TEXT_FledUsingOther
+	enum BATTLE_TEXT_DraggedOut
+	enum BATTLE_TEXT_PreventedOther
+	enum BATTLE_TEXT_NormalizedStatus
+	enum BATTLE_TEXT_Used2
+	enum BATTLE_TEXT_BoxFull
+	enum BATTLE_TEXT_AvoidedAttack
+	enum BATTLE_TEXT_MadeIneffective2
+	enum BATTLE_TEXT_PreventedFlinching
+	enum BATTLE_TEXT_AlreadyBurned
+	enum BATTLE_TEXT_StatNoLower
+	enum BATTLE_TEXT_BlocksOther2
+	enum BATTLE_TEXT_WoreOff
+	enum BATTLE_TEXT_RaisedDefenseLittle
+	enum BATTLE_TEXT_RaisedSpDefLittle
+	enum BATTLE_TEXT_BrokeWall
+	enum BATTLE_TEXT_PreventedOther2
+	enum BATTLE_TEXT_CuredOfProblem
+	enum BATTLE_TEXT_AttackingCantEscape
+	enum BATTLE_TEXT_Obtained1
+	enum BATTLE_TEXT_Obtained2
+	enum BATTLE_TEXT_Obtained3
+	enum BATTLE_TEXT_NoEffect
+	enum BATTLE_TEXT_NoEffectOn
diff --git a/constants/berry_constants.inc b/constants/berry_constants.inc
new file mode 100644
index 000000000..2ecd7ac36
--- /dev/null
+++ b/constants/berry_constants.inc
@@ -0,0 +1,6 @@
+	.set BERRY_FIRMNESS_UNKNOWN,    0
+	.set BERRY_FIRMNESS_VERY_SOFT,  1
+	.set BERRY_FIRMNESS_SOFT,       2
+	.set BERRY_FIRMNESS_HARD,       3
+	.set BERRY_FIRMNESS_VERY_HARD,  4
+	.set BERRY_FIRMNESS_SUPER_HARD, 5
diff --git a/constants/constants.inc b/constants/constants.inc
new file mode 100644
index 000000000..1ec25462f
--- /dev/null
+++ b/constants/constants.inc
@@ -0,0 +1,12 @@
+	.include "constants/gba_constants.inc"
+	.include "constants/misc_constants.inc"
+	.include "constants/type_constants.inc"
+	.include "constants/contest_constants.inc"
+	.include "constants/item_data_constants.inc"
+	.include "constants/battle_move_constants.inc"
+	.include "constants/trainer_constants.inc"
+	.include "constants/berry_constants.inc"
+	.include "constants/version.inc"
+	.include "constants/battle.inc"
+	.include "constants/battle_text.inc"
+	.include "constants/contest_move_effects.inc"
diff --git a/constants/contest_constants.inc b/constants/contest_constants.inc
new file mode 100644
index 000000000..e971764d6
--- /dev/null
+++ b/constants/contest_constants.inc
@@ -0,0 +1,68 @@
+	.set CONTEST_COOL,   0x00
+	.set CONTEST_BEAUTY, 0x01
+	.set CONTEST_CUTE,   0x02
+	.set CONTEST_SMART,  0x03
+	.set CONTEST_TOUGH,  0x04
+
+	.set COMBO_STARTER_RAIN_DANCE,    0x01
+	.set COMBO_STARTER_RAGE,          0x02
+	.set COMBO_STARTER_FOCUS_ENERGY,  0x03
+	.set COMBO_STARTER_HYPNOSIS,      0x04
+	.set COMBO_STARTER_ENDURE,        0x05
+	.set COMBO_STARTER_HORN_ATTACK,   0x06
+	.set COMBO_STARTER_SWORDS_DANCE,  0x07
+	.set COMBO_STARTER_STOCKPILE,     0x08
+	.set COMBO_STARTER_SUNNY_DAY,     0x09
+	.set COMBO_STARTER_REST,          0x0A
+	.set COMBO_STARTER_VICE_GRIP,     0x0B
+	.set COMBO_STARTER_DEFENSE_CURL,  0x0C
+	.set COMBO_STARTER_CHARGE,        0x0D
+	.set COMBO_STARTER_ROCK_THROW,    0x0E
+	.set COMBO_STARTER_YAWN,          0x0F
+	.set COMBO_STARTER_SCARY_FACE,    0x10
+	.set COMBO_STARTER_POWDER_SNOW,   0x11
+	.set COMBO_STARTER_LOCK_ON,       0x12
+	.set COMBO_STARTER_SOFT_BOILED,   0x13
+	.set COMBO_STARTER_MEAN_LOOK,     0x14
+	.set COMBO_STARTER_SCRATCH,       0x15
+	.set COMBO_STARTER_GROWTH,        0x16
+	.set COMBO_STARTER_HAIL,          0x17
+	.set COMBO_STARTER_SANDSTORM,     0x18
+	.set COMBO_STARTER_BELLY_DRUM,    0x19
+	.set COMBO_STARTER_MIND_READER,   0x1A
+	.set COMBO_STARTER_DRAGON_BREATH, 0x1B
+	.set COMBO_STARTER_DRAGON_RAGE,   0x1C
+	.set COMBO_STARTER_DRAGON_DANCE,  0x1D
+	.set COMBO_STARTER_SURF,          0x1E
+	.set COMBO_STARTER_DIVE,          0x1F
+	.set COMBO_STARTER_STRING_SHOT,   0x20
+	.set COMBO_STARTER_LEER,          0x21
+	.set COMBO_STARTER_TAUNT,         0x22
+	.set COMBO_STARTER_CHARM,         0x23
+	.set COMBO_STARTER_HARDEN,        0x24
+	.set COMBO_STARTER_SING,          0x25
+	.set COMBO_STARTER_EARTHQUAKE,    0x26
+	.set COMBO_STARTER_DOUBLE_TEAM,   0x27
+	.set COMBO_STARTER_CURSE,         0x28
+	.set COMBO_STARTER_SWEET_SCENT,   0x29
+	.set COMBO_STARTER_SLUDGE,        0x2A
+	.set COMBO_STARTER_SLUDGE_BOMB,   0x2B
+	.set COMBO_STARTER_THUNDER_PUNCH, 0x2C
+	.set COMBO_STARTER_FIRE_PUNCH,    0x2D
+	.set COMBO_STARTER_ICE_PUNCH,     0x2E
+	.set COMBO_STARTER_PECK,          0x2F
+	.set COMBO_STARTER_METAL_SOUND,   0x30
+	.set COMBO_STARTER_MUD_SPORT,     0x31
+	.set COMBO_STARTER_WATER_SPORT,   0x32
+	.set COMBO_STARTER_BONE_CLUB,     0x33
+	.set COMBO_STARTER_BONEMERANG,    0x34
+	.set COMBO_STARTER_BONE_RUSH,     0x35
+	.set COMBO_STARTER_SAND_ATTACK,   0x36
+	.set COMBO_STARTER_MUD_SLAP,      0x37
+	.set COMBO_STARTER_FAKE_OUT,      0x38
+	.set COMBO_STARTER_PSYCHIC,       0x39
+	.set COMBO_STARTER_KINESIS,       0x3A
+	.set COMBO_STARTER_CONFUSION,     0x3B
+	.set COMBO_STARTER_POUND,         0x3C
+	.set COMBO_STARTER_SMOG,          0x3D
+	.set COMBO_STARTER_CALM_MIND,     0x3E
diff --git a/constants/contest_move_effects.inc b/constants/contest_move_effects.inc
new file mode 100644
index 000000000..b19e05004
--- /dev/null
+++ b/constants/contest_move_effects.inc
@@ -0,0 +1,49 @@
+	enum_start
+	enum CONTEST_EFFECT_HIGHLY_APPEALING                      @  0
+	enum CONTEST_EFFECT_USER_MORE_EASILY_STARTLED             @  1
+	enum CONTEST_EFFECT_GREAT_APPEAL_BUT_NO_MORE_MOVES        @  2
+	enum CONTEST_EFFECT_REPETITION_NOT_BORING                 @  3
+	enum CONTEST_EFFECT_AVOID_STARTLE_ONCE                    @  4
+	enum CONTEST_EFFECT_AVOID_STARTLE                         @  5
+	enum CONTEST_EFFECT_AVOID_STARTLE_SLIGHTLY                @  6
+	enum CONTEST_EFFECT_USER_LESS_EASILY_STARTLED             @  7
+	enum CONTEST_EFFECT_STARTLE_FRONT_MON                     @  8
+	enum CONTEST_EFFECT_SLIGHTLY_STARTLE_PREV_MONS            @  9
+	enum CONTEST_EFFECT_STARTLE_PREV_MON                      @ 10
+	enum CONTEST_EFFECT_STARTLE_PREV_MONS                     @ 11
+	enum CONTEST_EFFECT_BADLY_STARTLE_FRONT_MON               @ 12
+	enum CONTEST_EFFECT_BADLY_STARTLE_PREV_MONS               @ 13
+	enum CONTEST_EFFECT_STARTLE_PREV_MON_2                    @ 14
+	enum CONTEST_EFFECT_STARTLE_PREV_MONS_2                   @ 15
+	enum CONTEST_EFFECT_SHIFT_JUDGE_ATTENTION                 @ 16
+	enum CONTEST_EFFECT_STARTLE_MON_WITH_JUDGES_ATTENTION     @ 17
+	enum CONTEST_EFFECT_JAMS_OTHERS_BUT_MISS_ONE_TURN         @ 18
+	enum CONTEST_EFFECT_STARTLE_MONS_SAME_TYPE_APPEAL         @ 19
+	enum CONTEST_EFFECT_STARTLE_MONS_COOL_APPEAL              @ 20
+	enum CONTEST_EFFECT_STARTLE_MONS_BEAUTY_APPEAL            @ 21
+	enum CONTEST_EFFECT_STARTLE_MONS_CUTE_APPEAL              @ 22
+	enum CONTEST_EFFECT_STARTLE_MONS_SMART_APPEAL             @ 23
+	enum CONTEST_EFFECT_STARTLE_MONS_TOUGH_APPEAL             @ 24
+	enum CONTEST_EFFECT_MAKE_FOLLOWING_MON_NERVOUS            @ 25
+	enum CONTEST_EFFECT_MAKE_FOLLOWING_MONS_NERVOUS           @ 26
+	enum CONTEST_EFFECT_WORSEN_CONDITION_OF_PREV_MONS         @ 27
+	enum CONTEST_EFFECT_BADLY_STARTLES_MONS_IN_GOOD_CONDITION @ 28
+	enum CONTEST_EFFECT_BETTER_IF_FIRST                       @ 29
+	enum CONTEST_EFFECT_BETTER_IF_LAST                        @ 30
+	enum CONTEST_EFFECT_APPEAL_AS_GOOD_AS_PREV_ONES           @ 31
+	enum CONTEST_EFFECT_APPEAL_AS_GOOD_AS_PREV_ONE            @ 32
+	enum CONTEST_EFFECT_BETTER_WHEN_LATER                     @ 33
+	enum CONTEST_EFFECT_QUALITY_DEPENDS_ON_TIMING             @ 34
+	enum CONTEST_EFFECT_BETTER_IF_SAME_TYPE                   @ 35
+	enum CONTEST_EFFECT_BETTER_IF_DIFF_TYPE                   @ 36
+	enum CONTEST_EFFECT_AFFECTED_BY_PREV_APPEAL               @ 37
+	enum CONTEST_EFFECT_IMPROVE_CONDITION_PREVENT_NERVOUSNESS @ 38
+	enum CONTEST_EFFECT_BETTER_WITH_GOOD_CONDITION            @ 39
+	enum CONTEST_EFFECT_NEXT_APPEAL_EARLIER                   @ 40
+	enum CONTEST_EFFECT_NEXT_APPEAL_LATER                     @ 41
+	enum CONTEST_EFFECT_MAKE_SCRAMBLING_TURN_ORDER_EASIER     @ 42
+	enum CONTEST_EFFECT_SCRAMBLE_NEXT_TURN_ORDER              @ 43
+	enum CONTEST_EFFECT_EXCITE_AUDIENCE_IN_ANY_CONTEST        @ 44
+	enum CONTEST_EFFECT_BADLY_STARTLE_MONS_WITH_GOOD_APPEALS  @ 45
+	enum CONTEST_EFFECT_BETTER_WHEN_AUDIENCE_EXCITED          @ 46
+	enum CONTEST_EFFECT_DONT_EXCITE_AUDIENCE                  @ 47
diff --git a/constants/gba_constants.inc b/constants/gba_constants.inc
new file mode 100644
index 000000000..9d59c8fcd
--- /dev/null
+++ b/constants/gba_constants.inc
@@ -0,0 +1,490 @@
+	.set PSR_USR_MODE,  0x00000010
+	.set PSR_FIQ_MODE,  0x00000011
+	.set PSR_IRQ_MODE,  0x00000012
+	.set PSR_SVC_MODE,  0x00000013
+	.set PSR_ABT_MODE,  0x00000017
+	.set PSR_UND_MODE,  0x0000001b
+	.set PSR_SYS_MODE,  0x0000001f
+	.set PSR_MODE_MASK, 0x0000001f
+	.set PSR_T_BIT,     0x00000020
+	.set PSR_F_BIT,     0x00000040
+	.set PSR_I_BIT,     0x00000080
+
+	.set EWRAM_START, 0x02000000
+	.set EWRAM_END,   EWRAM_START + 0x40000
+	.set IWRAM_START, 0x03000000
+	.set IWRAM_END,   IWRAM_START + 0x8000
+
+	.set PLTT,     0x5000000
+	.set BG_PLTT,  PLTT
+	.set OBJ_PLTT, PLTT + 0x200
+
+	.set VRAM,      0x6000000
+	.set BG_VRAM,   VRAM
+	.set OBJ_VRAM0, VRAM + 0x10000 @ text-mode BG
+	.set OBJ_VRAM1, VRAM + 0x14000 @ bitmap-mode BG
+
+	.set OAM, 0x7000000
+
+	.set SOUND_INFO_PTR, 0x3007FF0
+	.set INTR_CHECK,     0x3007FF8
+	.set INTR_VECTOR,    0x3007FFC
+
+	.set INTR_FLAG_VBLANK,  1 << 0
+	.set INTR_FLAG_HBLANK,  1 << 1
+	.set INTR_FLAG_VCOUNT,  1 << 2
+	.set INTR_FLAG_TIMER0,  1 << 3
+	.set INTR_FLAG_TIMER1,  1 << 4
+	.set INTR_FLAG_TIMER2,  1 << 5
+	.set INTR_FLAG_TIMER3,  1 << 6
+	.set INTR_FLAG_SERIAL,  1 << 7
+	.set INTR_FLAG_DMA0,    1 << 8
+	.set INTR_FLAG_DMA1,    1 << 9
+	.set INTR_FLAG_DMA2,    1 << 10
+	.set INTR_FLAG_DMA3,    1 << 11
+	.set INTR_FLAG_KEYPAD,  1 << 12
+	.set INTR_FLAG_GAMEPAK, 1 << 13
+
+	.set VCOUNT_VBLANK, 160
+	.set TOTAL_SCANLINES, 228
+
+	.set REG_BASE, 0x4000000 @ I/O register base address
+
+@ I/O register offsets
+	.set OFFSET_REG_DISPCNT,     0x0
+	.set OFFSET_REG_DISPSTAT,    0x4
+	.set OFFSET_REG_VCOUNT,      0x6
+	.set OFFSET_REG_BG0CNT,      0x8
+	.set OFFSET_REG_BG1CNT,      0xa
+	.set OFFSET_REG_BG2CNT,      0xc
+	.set OFFSET_REG_BG3CNT,      0xe
+	.set OFFSET_REG_BG0HOFS,     0x10
+	.set OFFSET_REG_BG0VOFS,     0x12
+	.set OFFSET_REG_BG1HOFS,     0x14
+	.set OFFSET_REG_BG1VOFS,     0x16
+	.set OFFSET_REG_BG2HOFS,     0x18
+	.set OFFSET_REG_BG2VOFS,     0x1a
+	.set OFFSET_REG_BG3HOFS,     0x1c
+	.set OFFSET_REG_BG3VOFS,     0x1e
+	.set OFFSET_REG_BG2PA,       0x20
+	.set OFFSET_REG_BG2PB,       0x22
+	.set OFFSET_REG_BG2PC,       0x24
+	.set OFFSET_REG_BG2PD,       0x26
+	.set OFFSET_REG_BG2X_L,      0x28
+	.set OFFSET_REG_BG2X_H,      0x2a
+	.set OFFSET_REG_BG2Y_L,      0x2c
+	.set OFFSET_REG_BG2Y_H,      0x2e
+	.set OFFSET_REG_BG3PA,       0x30
+	.set OFFSET_REG_BG3PB,       0x32
+	.set OFFSET_REG_BG3PC,       0x34
+	.set OFFSET_REG_BG3PD,       0x36
+	.set OFFSET_REG_BG3X_L,      0x38
+	.set OFFSET_REG_BG3X_H,      0x3a
+	.set OFFSET_REG_BG3Y_L,      0x3c
+	.set OFFSET_REG_BG3Y_H,      0x3e
+	.set OFFSET_REG_WIN0H,       0x40
+	.set OFFSET_REG_WIN1H,       0x42
+	.set OFFSET_REG_WIN0V,       0x44
+	.set OFFSET_REG_WIN1V,       0x46
+	.set OFFSET_REG_WININ,       0x48
+	.set OFFSET_REG_WINOUT,      0x4a
+	.set OFFSET_REG_MOSAIC,      0x4c
+	.set OFFSET_REG_BLDCNT,      0x50
+	.set OFFSET_REG_BLDALPHA,    0x52
+	.set OFFSET_REG_BLDY,        0x54
+
+	.set OFFSET_REG_SOUND1CNT,   0x60
+	.set OFFSET_REG_SOUND1CNT_L, 0x60
+	.set OFFSET_REG_NR10,        0x60
+	.set OFFSET_REG_SOUND1CNT_H, 0x62
+	.set OFFSET_REG_NR11,        0x62
+	.set OFFSET_REG_NR12,        0x63
+	.set OFFSET_REG_SOUND1CNT_X, 0x64
+	.set OFFSET_REG_NR13,        0x64
+	.set OFFSET_REG_NR14,        0x65
+	.set OFFSET_REG_SOUND2CNT,   0x68
+	.set OFFSET_REG_SOUND2CNT_L, 0x68
+	.set OFFSET_REG_NR21,        0x68
+	.set OFFSET_REG_NR22,        0x69
+	.set OFFSET_REG_SOUND2CNT_H, 0x6c
+	.set OFFSET_REG_NR23,        0x6c
+	.set OFFSET_REG_NR24,        0x6d
+	.set OFFSET_REG_SOUND3CNT,   0x70
+	.set OFFSET_REG_SOUND3CNT_L, 0x70
+	.set OFFSET_REG_NR30,        0x70
+	.set OFFSET_REG_SOUND3CNT_H, 0x72
+	.set OFFSET_REG_NR31,        0x72
+	.set OFFSET_REG_NR32,        0x73
+	.set OFFSET_REG_SOUND3CNT_X, 0x74
+	.set OFFSET_REG_NR33,        0x74
+	.set OFFSET_REG_NR34,        0x75
+	.set OFFSET_REG_SOUND4CNT,   0x78
+	.set OFFSET_REG_SOUND4CNT_L, 0x78
+	.set OFFSET_REG_NR41,        0x78
+	.set OFFSET_REG_NR42,        0x79
+	.set OFFSET_REG_SOUND4CNT_H, 0x7c
+	.set OFFSET_REG_NR43,        0x7c
+	.set OFFSET_REG_NR44,        0x7d
+	.set OFFSET_REG_SOUNDCNT,    0x80
+	.set OFFSET_REG_SOUNDCNT_L,  0x80
+	.set OFFSET_REG_NR50,        0x80
+	.set OFFSET_REG_NR51,        0x81
+	.set OFFSET_REG_SOUNDCNT_H,  0x82
+	.set OFFSET_REG_SOUNDCNT_X,  0x84
+	.set OFFSET_REG_NR52,        0x84
+	.set OFFSET_REG_SOUNDBIAS,   0x88
+	.set OFFSET_REG_WAVE_RAM,    0x90
+	.set OFFSET_REG_WAVE_RAM0,   0x90
+	.set OFFSET_REG_WAVE_RAM0_L, 0x90
+	.set OFFSET_REG_WAVE_RAM0_H, 0x92
+	.set OFFSET_REG_WAVE_RAM1,   0x94
+	.set OFFSET_REG_WAVE_RAM1_L, 0x94
+	.set OFFSET_REG_WAVE_RAM1_H, 0x96
+	.set OFFSET_REG_WAVE_RAM2,   0x98
+	.set OFFSET_REG_WAVE_RAM2_L, 0x98
+	.set OFFSET_REG_WAVE_RAM2_H, 0x9a
+	.set OFFSET_REG_WAVE_RAM3,   0x9c
+	.set OFFSET_REG_WAVE_RAM3_L, 0x9c
+	.set OFFSET_REG_WAVE_RAM3_H, 0x9e
+	.set OFFSET_REG_FIFO,        0xa0
+	.set OFFSET_REG_FIFO_A,      0xa0
+	.set OFFSET_REG_FIFO_A_L,    0xa0
+	.set OFFSET_REG_FIFO_A_H,    0xa2
+	.set OFFSET_REG_FIFO_B,      0xa4
+	.set OFFSET_REG_FIFO_B_L,    0xa4
+	.set OFFSET_REG_FIFO_B_H,    0xa6
+
+	.set OFFSET_REG_DMA0,        0xb0
+	.set OFFSET_REG_DMA0SAD,     0xb0
+	.set OFFSET_REG_DMA0SAD_L,   0xb0
+	.set OFFSET_REG_DMA0SAD_H,   0xb2
+	.set OFFSET_REG_DMA0DAD,     0xb4
+	.set OFFSET_REG_DMA0DAD_L,   0xb4
+	.set OFFSET_REG_DMA0DAD_H,   0xb6
+	.set OFFSET_REG_DMA0CNT,     0xb8
+	.set OFFSET_REG_DMA0CNT_L,   0xb8
+	.set OFFSET_REG_DMA0CNT_H,   0xba
+	.set OFFSET_REG_DMA1,        0xbc
+	.set OFFSET_REG_DMA1SAD,     0xbc
+	.set OFFSET_REG_DMA1SAD_L,   0xbc
+	.set OFFSET_REG_DMA1SAD_H,   0xbe
+	.set OFFSET_REG_DMA1DAD,     0xc0
+	.set OFFSET_REG_DMA1DAD_L,   0xc0
+	.set OFFSET_REG_DMA1DAD_H,   0xc2
+	.set OFFSET_REG_DMA1CNT,     0xc4
+	.set OFFSET_REG_DMA1CNT_L,   0xc4
+	.set OFFSET_REG_DMA1CNT_H,   0xc6
+	.set OFFSET_REG_DMA2,        0xc8
+	.set OFFSET_REG_DMA2SAD,     0xc8
+	.set OFFSET_REG_DMA2SAD_L,   0xc8
+	.set OFFSET_REG_DMA2SAD_H,   0xca
+	.set OFFSET_REG_DMA2DAD,     0xcc
+	.set OFFSET_REG_DMA2DAD_L,   0xcc
+	.set OFFSET_REG_DMA2DAD_H,   0xce
+	.set OFFSET_REG_DMA2CNT,     0xd0
+	.set OFFSET_REG_DMA2CNT_L,   0xd0
+	.set OFFSET_REG_DMA2CNT_H,   0xd2
+	.set OFFSET_REG_DMA3,        0xd4
+	.set OFFSET_REG_DMA3SAD,     0xd4
+	.set OFFSET_REG_DMA3SAD_L,   0xd4
+	.set OFFSET_REG_DMA3SAD_H,   0xd6
+	.set OFFSET_REG_DMA3DAD,     0xd8
+	.set OFFSET_REG_DMA3DAD_L,   0xd8
+	.set OFFSET_REG_DMA3DAD_H,   0xda
+	.set OFFSET_REG_DMA3CNT,     0xdc
+	.set OFFSET_REG_DMA3CNT_L,   0xdc
+	.set OFFSET_REG_DMA3CNT_H,   0xde
+
+	.set OFFSET_REG_TM0CNT,      0x100
+	.set OFFSET_REG_TM0CNT_L,    0x100
+	.set OFFSET_REG_TM0CNT_H,    0x102
+	.set OFFSET_REG_TM1CNT,      0x104
+	.set OFFSET_REG_TM1CNT_L,    0x104
+	.set OFFSET_REG_TM1CNT_H,    0x106
+	.set OFFSET_REG_TM2CNT,      0x108
+	.set OFFSET_REG_TM2CNT_L,    0x108
+	.set OFFSET_REG_TM2CNT_H,    0x10a
+	.set OFFSET_REG_TM3CNT,      0x10c
+	.set OFFSET_REG_TM3CNT_L,    0x10c
+	.set OFFSET_REG_TM3CNT_H,    0x10e
+
+	.set OFFSET_REG_SIOCNT,      0x128
+	.set OFFSET_REG_SIODATA8,    0x12a
+	.set OFFSET_REG_SIODATA32,   0x120
+	.set OFFSET_REG_SIOMLT_SEND, 0x12a
+	.set OFFSET_REG_SIOMLT_RECV, 0x120
+	.set OFFSET_REG_SIOMULTI0,   0x120
+	.set OFFSET_REG_SIOMULTI1,   0x122
+	.set OFFSET_REG_SIOMULTI2,   0x124
+	.set OFFSET_REG_SIOMULTI3,   0x126
+
+	.set OFFSET_REG_KEYINPUT,    0x130
+	.set OFFSET_REG_KEYCNT,      0x132
+
+	.set OFFSET_REG_RCNT,        0x134
+
+	.set OFFSET_REG_JOYCNT,      0x140
+	.set OFFSET_REG_JOYSTAT,     0x158
+	.set OFFSET_REG_JOY_RECV,    0x150
+	.set OFFSET_REG_JOY_RECV_L,  0x150
+	.set OFFSET_REG_JOY_RECV_H,  0x152
+	.set OFFSET_REG_JOY_TRANS,   0x154
+	.set OFFSET_REG_JOY_TRANS_L, 0x154
+	.set OFFSET_REG_JOY_TRANS_H, 0x156
+
+	.set OFFSET_REG_IME,         0x208
+	.set OFFSET_REG_IE,          0x200
+	.set OFFSET_REG_IF,          0x202
+
+	.set OFFSET_REG_WAITCNT,     0x204
+
+@ I/O register addresses
+	.set REG_DISPCNT,     REG_BASE + OFFSET_REG_DISPCNT
+	.set REG_DISPSTAT,    REG_BASE + OFFSET_REG_DISPSTAT
+	.set REG_VCOUNT,      REG_BASE + OFFSET_REG_VCOUNT
+	.set REG_BG0CNT,      REG_BASE + OFFSET_REG_BG0CNT
+	.set REG_BG1CNT,      REG_BASE + OFFSET_REG_BG1CNT
+	.set REG_BG2CNT,      REG_BASE + OFFSET_REG_BG2CNT
+	.set REG_BG3CNT,      REG_BASE + OFFSET_REG_BG3CNT
+	.set REG_BG0HOFS,     REG_BASE + OFFSET_REG_BG0HOFS
+	.set REG_BG0VOFS,     REG_BASE + OFFSET_REG_BG0VOFS
+	.set REG_BG1HOFS,     REG_BASE + OFFSET_REG_BG1HOFS
+	.set REG_BG1VOFS,     REG_BASE + OFFSET_REG_BG1VOFS
+	.set REG_BG2HOFS,     REG_BASE + OFFSET_REG_BG2HOFS
+	.set REG_BG2VOFS,     REG_BASE + OFFSET_REG_BG2VOFS
+	.set REG_BG3HOFS,     REG_BASE + OFFSET_REG_BG3HOFS
+	.set REG_BG3VOFS,     REG_BASE + OFFSET_REG_BG3VOFS
+	.set REG_BG2PA,       REG_BASE + OFFSET_REG_BG2PA
+	.set REG_BG2PB,       REG_BASE + OFFSET_REG_BG2PB
+	.set REG_BG2PC,       REG_BASE + OFFSET_REG_BG2PC
+	.set REG_BG2PD,       REG_BASE + OFFSET_REG_BG2PD
+	.set REG_BG2X_L,      REG_BASE + OFFSET_REG_BG2X_L
+	.set REG_BG2X_H,      REG_BASE + OFFSET_REG_BG2X_H
+	.set REG_BG2Y_L,      REG_BASE + OFFSET_REG_BG2Y_L
+	.set REG_BG2Y_H,      REG_BASE + OFFSET_REG_BG2Y_H
+	.set REG_BG3PA,       REG_BASE + OFFSET_REG_BG3PA
+	.set REG_BG3PB,       REG_BASE + OFFSET_REG_BG3PB
+	.set REG_BG3PC,       REG_BASE + OFFSET_REG_BG3PC
+	.set REG_BG3PD,       REG_BASE + OFFSET_REG_BG3PD
+	.set REG_BG3X_L,      REG_BASE + OFFSET_REG_BG3X_L
+	.set REG_BG3X_H,      REG_BASE + OFFSET_REG_BG3X_H
+	.set REG_BG3Y_L,      REG_BASE + OFFSET_REG_BG3Y_L
+	.set REG_BG3Y_H,      REG_BASE + OFFSET_REG_BG3Y_H
+	.set REG_WIN0H,       REG_BASE + OFFSET_REG_WIN0H
+	.set REG_WIN1H,       REG_BASE + OFFSET_REG_WIN1H
+	.set REG_WIN0V,       REG_BASE + OFFSET_REG_WIN0V
+	.set REG_WIN1V,       REG_BASE + OFFSET_REG_WIN1V
+	.set REG_WININ,       REG_BASE + OFFSET_REG_WININ
+	.set REG_WINOUT,      REG_BASE + OFFSET_REG_WINOUT
+	.set REG_MOSAIC,      REG_BASE + OFFSET_REG_MOSAIC
+	.set REG_BLDCNT,      REG_BASE + OFFSET_REG_BLDCNT
+	.set REG_BLDALPHA,    REG_BASE + OFFSET_REG_BLDALPHA
+	.set REG_BLDY,        REG_BASE + OFFSET_REG_BLDY
+
+	.set REG_SOUND1CNT,   REG_BASE + OFFSET_REG_SOUND1CNT
+	.set REG_SOUND1CNT_L, REG_BASE + OFFSET_REG_SOUND1CNT_L
+	.set REG_NR10,        REG_BASE + OFFSET_REG_NR10
+	.set REG_SOUND1CNT_H, REG_BASE + OFFSET_REG_SOUND1CNT_H
+	.set REG_NR11,        REG_BASE + OFFSET_REG_NR11
+	.set REG_NR12,        REG_BASE + OFFSET_REG_NR12
+	.set REG_SOUND1CNT_X, REG_BASE + OFFSET_REG_SOUND1CNT_X
+	.set REG_NR13,        REG_BASE + OFFSET_REG_NR13
+	.set REG_NR14,        REG_BASE + OFFSET_REG_NR14
+	.set REG_SOUND2CNT,   REG_BASE + OFFSET_REG_SOUND2CNT
+	.set REG_SOUND2CNT_L, REG_BASE + OFFSET_REG_SOUND2CNT_L
+	.set REG_NR21,        REG_BASE + OFFSET_REG_NR21
+	.set REG_NR22,        REG_BASE + OFFSET_REG_NR22
+	.set REG_SOUND2CNT_H, REG_BASE + OFFSET_REG_SOUND2CNT_H
+	.set REG_NR23,        REG_BASE + OFFSET_REG_NR23
+	.set REG_NR24,        REG_BASE + OFFSET_REG_NR24
+	.set REG_SOUND3CNT,   REG_BASE + OFFSET_REG_SOUND3CNT
+	.set REG_SOUND3CNT_L, REG_BASE + OFFSET_REG_SOUND3CNT_L
+	.set REG_NR30,        REG_BASE + OFFSET_REG_NR30
+	.set REG_SOUND3CNT_H, REG_BASE + OFFSET_REG_SOUND3CNT_H
+	.set REG_NR31,        REG_BASE + OFFSET_REG_NR31
+	.set REG_NR32,        REG_BASE + OFFSET_REG_NR32
+	.set REG_SOUND3CNT_X, REG_BASE + OFFSET_REG_SOUND3CNT_X
+	.set REG_NR33,        REG_BASE + OFFSET_REG_NR33
+	.set REG_NR34,        REG_BASE + OFFSET_REG_NR34
+	.set REG_SOUND4CNT,   REG_BASE + OFFSET_REG_SOUND4CNT
+	.set REG_SOUND4CNT_L, REG_BASE + OFFSET_REG_SOUND4CNT_L
+	.set REG_NR41,        REG_BASE + OFFSET_REG_NR41
+	.set REG_NR42,        REG_BASE + OFFSET_REG_NR42
+	.set REG_SOUND4CNT_H, REG_BASE + OFFSET_REG_SOUND4CNT_H
+	.set REG_NR43,        REG_BASE + OFFSET_REG_NR43
+	.set REG_NR44,        REG_BASE + OFFSET_REG_NR44
+	.set REG_SOUNDCNT,    REG_BASE + OFFSET_REG_SOUNDCNT
+	.set REG_SOUNDCNT_L,  REG_BASE + OFFSET_REG_SOUNDCNT_L
+	.set REG_NR50,        REG_BASE + OFFSET_REG_NR50
+	.set REG_NR51,        REG_BASE + OFFSET_REG_NR51
+	.set REG_SOUNDCNT_H,  REG_BASE + OFFSET_REG_SOUNDCNT_H
+	.set REG_SOUNDCNT_X,  REG_BASE + OFFSET_REG_SOUNDCNT_X
+	.set REG_NR52,        REG_BASE + OFFSET_REG_NR52
+	.set REG_SOUNDBIAS,   REG_BASE + OFFSET_REG_SOUNDBIAS
+	.set REG_WAVE_RAM,    REG_BASE + OFFSET_REG_WAVE_RAM
+	.set REG_WAVE_RAM0,   REG_BASE + OFFSET_REG_WAVE_RAM0
+	.set REG_WAVE_RAM0_L, REG_BASE + OFFSET_REG_WAVE_RAM0_L
+	.set REG_WAVE_RAM0_H, REG_BASE + OFFSET_REG_WAVE_RAM0_H
+	.set REG_WAVE_RAM1,   REG_BASE + OFFSET_REG_WAVE_RAM1
+	.set REG_WAVE_RAM1_L, REG_BASE + OFFSET_REG_WAVE_RAM1_L
+	.set REG_WAVE_RAM1_H, REG_BASE + OFFSET_REG_WAVE_RAM1_H
+	.set REG_WAVE_RAM2,   REG_BASE + OFFSET_REG_WAVE_RAM2
+	.set REG_WAVE_RAM2_L, REG_BASE + OFFSET_REG_WAVE_RAM2_L
+	.set REG_WAVE_RAM2_H, REG_BASE + OFFSET_REG_WAVE_RAM2_H
+	.set REG_WAVE_RAM3,   REG_BASE + OFFSET_REG_WAVE_RAM3
+	.set REG_WAVE_RAM3_L, REG_BASE + OFFSET_REG_WAVE_RAM3_L
+	.set REG_WAVE_RAM3_H, REG_BASE + OFFSET_REG_WAVE_RAM3_H
+	.set REG_FIFO,        REG_BASE + OFFSET_REG_FIFO
+	.set REG_FIFO_A,      REG_BASE + OFFSET_REG_FIFO_A
+	.set REG_FIFO_A_L,    REG_BASE + OFFSET_REG_FIFO_A_L
+	.set REG_FIFO_A_H,    REG_BASE + OFFSET_REG_FIFO_A_H
+	.set REG_FIFO_B,      REG_BASE + OFFSET_REG_FIFO_B
+	.set REG_FIFO_B_L,    REG_BASE + OFFSET_REG_FIFO_B_L
+	.set REG_FIFO_B_H,    REG_BASE + OFFSET_REG_FIFO_B_H
+
+	.set REG_DMA0,        REG_BASE + OFFSET_REG_DMA0
+	.set REG_DMA0SAD,     REG_BASE + OFFSET_REG_DMA0SAD
+	.set REG_DMA0SAD_L,   REG_BASE + OFFSET_REG_DMA0SAD_L
+	.set REG_DMA0SAD_H,   REG_BASE + OFFSET_REG_DMA0SAD_H
+	.set REG_DMA0DAD,     REG_BASE + OFFSET_REG_DMA0DAD
+	.set REG_DMA0DAD_L,   REG_BASE + OFFSET_REG_DMA0DAD_L
+	.set REG_DMA0DAD_H,   REG_BASE + OFFSET_REG_DMA0DAD_H
+	.set REG_DMA0CNT,     REG_BASE + OFFSET_REG_DMA0CNT
+	.set REG_DMA0CNT_L,   REG_BASE + OFFSET_REG_DMA0CNT_L
+	.set REG_DMA0CNT_H,   REG_BASE + OFFSET_REG_DMA0CNT_H
+	.set REG_DMA1,        REG_BASE + OFFSET_REG_DMA1
+	.set REG_DMA1SAD,     REG_BASE + OFFSET_REG_DMA1SAD
+	.set REG_DMA1SAD_L,   REG_BASE + OFFSET_REG_DMA1SAD_L
+	.set REG_DMA1SAD_H,   REG_BASE + OFFSET_REG_DMA1SAD_H
+	.set REG_DMA1DAD,     REG_BASE + OFFSET_REG_DMA1DAD
+	.set REG_DMA1DAD_L,   REG_BASE + OFFSET_REG_DMA1DAD_L
+	.set REG_DMA1DAD_H,   REG_BASE + OFFSET_REG_DMA1DAD_H
+	.set REG_DMA1CNT,     REG_BASE + OFFSET_REG_DMA1CNT
+	.set REG_DMA1CNT_L,   REG_BASE + OFFSET_REG_DMA1CNT_L
+	.set REG_DMA1CNT_H,   REG_BASE + OFFSET_REG_DMA1CNT_H
+	.set REG_DMA2,        REG_BASE + OFFSET_REG_DMA2
+	.set REG_DMA2SAD,     REG_BASE + OFFSET_REG_DMA2SAD
+	.set REG_DMA2SAD_L,   REG_BASE + OFFSET_REG_DMA2SAD_L
+	.set REG_DMA2SAD_H,   REG_BASE + OFFSET_REG_DMA2SAD_H
+	.set REG_DMA2DAD,     REG_BASE + OFFSET_REG_DMA2DAD
+	.set REG_DMA2DAD_L,   REG_BASE + OFFSET_REG_DMA2DAD_L
+	.set REG_DMA2DAD_H,   REG_BASE + OFFSET_REG_DMA2DAD_H
+	.set REG_DMA2CNT,     REG_BASE + OFFSET_REG_DMA2CNT
+	.set REG_DMA2CNT_L,   REG_BASE + OFFSET_REG_DMA2CNT_L
+	.set REG_DMA2CNT_H,   REG_BASE + OFFSET_REG_DMA2CNT_H
+	.set REG_DMA3,        REG_BASE + OFFSET_REG_DMA3
+	.set REG_DMA3SAD,     REG_BASE + OFFSET_REG_DMA3SAD
+	.set REG_DMA3SAD_L,   REG_BASE + OFFSET_REG_DMA3SAD_L
+	.set REG_DMA3SAD_H,   REG_BASE + OFFSET_REG_DMA3SAD_H
+	.set REG_DMA3DAD,     REG_BASE + OFFSET_REG_DMA3DAD
+	.set REG_DMA3DAD_L,   REG_BASE + OFFSET_REG_DMA3DAD_L
+	.set REG_DMA3DAD_H,   REG_BASE + OFFSET_REG_DMA3DAD_H
+	.set REG_DMA3CNT,     REG_BASE + OFFSET_REG_DMA3CNT
+	.set REG_DMA3CNT_L,   REG_BASE + OFFSET_REG_DMA3CNT_L
+	.set REG_DMA3CNT_H,   REG_BASE + OFFSET_REG_DMA3CNT_H
+
+	.set REG_TM0CNT,      REG_BASE + OFFSET_REG_TM0CNT
+	.set REG_TM0CNT_L,    REG_BASE + OFFSET_REG_TM0CNT_L
+	.set REG_TM0CNT_H,    REG_BASE + OFFSET_REG_TM0CNT_H
+	.set REG_TM1CNT,      REG_BASE + OFFSET_REG_TM1CNT
+	.set REG_TM1CNT_L,    REG_BASE + OFFSET_REG_TM1CNT_L
+	.set REG_TM1CNT_H,    REG_BASE + OFFSET_REG_TM1CNT_H
+	.set REG_TM2CNT,      REG_BASE + OFFSET_REG_TM2CNT
+	.set REG_TM2CNT_L,    REG_BASE + OFFSET_REG_TM2CNT_L
+	.set REG_TM2CNT_H,    REG_BASE + OFFSET_REG_TM2CNT_H
+	.set REG_TM3CNT,      REG_BASE + OFFSET_REG_TM3CNT
+	.set REG_TM3CNT_L,    REG_BASE + OFFSET_REG_TM3CNT_L
+	.set REG_TM3CNT_H,    REG_BASE + OFFSET_REG_TM3CNT_H
+
+	.set REG_SIOCNT,      REG_BASE + OFFSET_REG_SIOCNT
+	.set REG_SIODATA8,    REG_BASE + OFFSET_REG_SIODATA8
+	.set REG_SIODATA32,   REG_BASE + OFFSET_REG_SIODATA32
+	.set REG_SIOMLT_SEND, REG_BASE + OFFSET_REG_SIOMLT_SEND
+	.set REG_SIOMLT_RECV, REG_BASE + OFFSET_REG_SIOMLT_RECV
+	.set REG_SIOMULTI0,   REG_BASE + OFFSET_REG_SIOMULTI0
+	.set REG_SIOMULTI1,   REG_BASE + OFFSET_REG_SIOMULTI1
+	.set REG_SIOMULTI2,   REG_BASE + OFFSET_REG_SIOMULTI2
+	.set REG_SIOMULTI3,   REG_BASE + OFFSET_REG_SIOMULTI3
+
+	.set REG_KEYINPUT,    REG_BASE + OFFSET_REG_KEYINPUT
+	.set REG_KEYCNT,      REG_BASE + OFFSET_REG_KEYCNT
+
+	.set REG_RCNT,        REG_BASE + OFFSET_REG_RCNT
+
+	.set REG_JOYCNT,      REG_BASE + OFFSET_REG_JOYCNT
+	.set REG_JOYSTAT,     REG_BASE + OFFSET_REG_JOYSTAT
+	.set REG_JOY_RECV,    REG_BASE + OFFSET_REG_JOY_RECV
+	.set REG_JOY_RECV_L,  REG_BASE + OFFSET_REG_JOY_RECV_L
+	.set REG_JOY_RECV_H,  REG_BASE + OFFSET_REG_JOY_RECV_H
+	.set REG_JOY_TRANS,   REG_BASE + OFFSET_REG_JOY_TRANS
+	.set REG_JOY_TRANS_L, REG_BASE + OFFSET_REG_JOY_TRANS_L
+	.set REG_JOY_TRANS_H, REG_BASE + OFFSET_REG_JOY_TRANS_H
+
+	.set REG_IME,         REG_BASE + OFFSET_REG_IME
+	.set REG_IE,          REG_BASE + OFFSET_REG_IE
+	.set REG_IF,          REG_BASE + OFFSET_REG_IF
+
+	.set REG_WAITCNT,     REG_BASE + OFFSET_REG_WAITCNT
+
+@ DMA register constants
+
+	.set DMA_DEST_INC,      0x0000
+	.set DMA_DEST_DEC,      0x0020
+	.set DMA_DEST_FIXED,    0x0040
+	.set DMA_DEST_RELOAD,   0x0060
+	.set DMA_SRC_INC,       0x0000
+	.set DMA_SRC_DEC,       0x0080
+	.set DMA_SRC_FIXED,     0x0100
+	.set DMA_REPEAT,        0x0200
+	.set DMA_16BIT,         0x0000
+	.set DMA_32BIT,         0x0400
+	.set DMA_DREQ_ON,       0x0800
+	.set DMA_START_NOW,     0x0000
+	.set DMA_START_VBLANK,  0x1000
+	.set DMA_START_HBLANK,  0x2000
+	.set DMA_START_SPECIAL, 0x3000
+	.set DMA_INTR_ENABLE,   0x4000
+	.set DMA_ENABLE,        0x8000
+
+@ OAM attribute constants
+
+	.set OAM_OBJ_NORMAL,         0x00000000
+	.set OAM_OBJ_BLEND,          0x00000400
+	.set OAM_OBJ_WINDOW,         0x00000800
+
+	.set OAM_AFFINE_NONE,        0x00000000
+	.set OAM_AFFINE_NORMAL_SIZE, 0x00000100
+	.set OAM_OBJ_DISABLED,       0x00000200
+	.set OAM_AFFINE_DOUBLE_SIZE, 0x00000300
+
+	.set OAM_MOSAIC_OFF,         0x00000000
+	.set OAM_MOSAIC_ON,          0x00001000
+
+	.set OAM_4BPP,               0x00000000
+	.set OAM_8BPP,               0x00002000
+
+	.set OAM_H_FLIP,             0x10000000
+	.set OAM_V_FLIP,             0x20000000
+
+	.set OAM_SQUARE,             0x00000000
+	.set OAM_H_RECTANGLE,        0x00004000
+	.set OAM_V_RECTANGLE,        0x00008000
+	.set OAM_SIZE_0,             0x00000000
+	.set OAM_SIZE_1,             0x40000000
+	.set OAM_SIZE_2,             0x80000000
+	.set OAM_SIZE_3,             0xc0000000
+
+	.set OAM_SIZE_8x8,           OAM_SIZE_0 | OAM_SQUARE
+	.set OAM_SIZE_16x16,         OAM_SIZE_1 | OAM_SQUARE
+	.set OAM_SIZE_32x32,         OAM_SIZE_2 | OAM_SQUARE
+	.set OAM_SIZE_64x64,         OAM_SIZE_3 | OAM_SQUARE
+
+	.set OAM_SIZE_16x8,          OAM_SIZE_0 | OAM_H_RECTANGLE
+	.set OAM_SIZE_32x8,          OAM_SIZE_1 | OAM_H_RECTANGLE
+	.set OAM_SIZE_32x16,         OAM_SIZE_2 | OAM_H_RECTANGLE
+	.set OAM_SIZE_64x32,         OAM_SIZE_3 | OAM_H_RECTANGLE
+
+	.set OAM_SIZE_8x16,          OAM_SIZE_0 | OAM_V_RECTANGLE
+	.set OAM_SIZE_8x32,          OAM_SIZE_1 | OAM_V_RECTANGLE
+	.set OAM_SIZE_16x32,         OAM_SIZE_2 | OAM_V_RECTANGLE
+	.set OAM_SIZE_32x64,         OAM_SIZE_3 | OAM_V_RECTANGLE
diff --git a/constants/item_data_constants.inc b/constants/item_data_constants.inc
new file mode 100644
index 000000000..07ceb6e3b
--- /dev/null
+++ b/constants/item_data_constants.inc
@@ -0,0 +1,5 @@
+	.set POCKET_ITEMS,      0x01
+	.set POCKET_POKE_BALLS, 0x02
+	.set POCKET_TM_HM,      0x03
+	.set POCKET_BERRIES,    0x04
+	.set POCKET_KEY_ITEMS,  0x05
diff --git a/constants/m4a_constants.inc b/constants/m4a_constants.inc
new file mode 100644
index 000000000..62ca5bb55
--- /dev/null
+++ b/constants/m4a_constants.inc
@@ -0,0 +1,199 @@
+	.equiv ID_NUMBER, 0x68736d53
+
+	.equiv PCM_DMA_BUF_SIZE, 1584
+
+	.equiv TONEDATA_TYPE_CGB, 0x07
+	.equiv TONEDATA_TYPE_FIX, 0x08
+	.equiv TONEDATA_TYPE_SPL, 0x40 @ key split
+	.equiv TONEDATA_TYPE_RHY, 0x80 @ rhythm
+
+	.macro struct_begin
+	.struct 0
+	.endm
+
+	.macro struct_field name, size
+\name:
+	.struct \name + \size
+	.endm
+
+	struct_begin
+	struct_field o_SoundInfo_ident, 4
+	struct_field o_SoundInfo_pcmDmaCounter, 1
+	struct_field o_SoundInfo_reverb, 1
+	struct_field o_SoundInfo_maxChans, 1
+	struct_field o_SoundInfo_masterVolume, 1
+	struct_field o_SoundInfo_freq, 1
+	struct_field o_SoundInfo_mode, 1
+	struct_field o_SoundInfo_c15, 1
+	struct_field o_SoundInfo_pcmDmaPeriod, 1
+	struct_field o_SoundInfo_maxLines, 1
+	struct_field o_SoundInfo_gap, 3
+	struct_field o_SoundInfo_pcmSamplesPerVBlank, 4
+	struct_field o_SoundInfo_pcmFreq, 4
+	struct_field o_SoundInfo_divFreq, 4
+	struct_field o_SoundInfo_cgbChans, 4
+	struct_field o_SoundInfo_func, 4
+	struct_field o_SoundInfo_intp, 4
+	struct_field o_SoundInfo_CgbSound, 4
+	struct_field o_SoundInfo_CgbOscOff, 4
+	struct_field o_SoundInfo_MidiKeyToCgbFreq, 4
+	struct_field o_SoundInfo_MPlayJumpTable, 4
+	struct_field o_SoundInfo_plynote, 4
+	struct_field o_SoundInfo_ExtVolPit, 4
+	struct_field o_SoundInfo_gap2, 16
+	struct_field o_SoundInfo_chans, 768
+	struct_field o_SoundInfo_pcmBuffer, PCM_DMA_BUF_SIZE * 2
+	struct_field SoundInfo_size, 0
+
+	struct_begin
+	struct_field o_SoundChannel_status, 1
+	struct_field o_SoundChannel_type, 1
+	struct_field o_SoundChannel_rightVolume, 1
+	struct_field o_SoundChannel_leftVolume, 1
+	struct_field o_SoundChannel_attack, 1
+	struct_field o_SoundChannel_decay, 1
+	struct_field o_SoundChannel_sustain, 1
+	struct_field o_SoundChannel_release, 1
+	struct_field o_SoundChannel_ky, 1
+	struct_field o_SoundChannel_ev, 1
+	struct_field o_SoundChannel_er, 1
+	struct_field o_SoundChannel_el, 1
+	struct_field o_SoundChannel_iev, 1
+	struct_field o_SoundChannel_iel, 1
+	struct_field o_SoundChannel_d1, 1
+	struct_field o_SoundChannel_d2, 1
+	struct_field o_SoundChannel_gt, 1
+	struct_field o_SoundChannel_mk, 1
+	struct_field o_SoundChannel_ve, 1
+	struct_field o_SoundChannel_pr, 1
+	struct_field o_SoundChannel_rp, 1
+	struct_field o_SoundChannel_d3, 3
+	struct_field o_SoundChannel_ct, 4
+	struct_field o_SoundChannel_fw, 4
+	struct_field o_SoundChannel_freq, 4
+	struct_field o_SoundChannel_wav, 4
+	struct_field o_SoundChannel_cp, 4
+	struct_field o_SoundChannel_track, 4
+	struct_field o_SoundChannel_pp, 4
+	struct_field o_SoundChannel_np, 4
+	struct_field o_SoundChannel_d4, 4
+	struct_field o_SoundChannel_xpi, 2
+	struct_field o_SoundChannel_xpc, 2
+	struct_field SoundChannel_size, 0
+
+	struct_begin
+	struct_field o_MusicPlayerTrack_flags, 1
+	struct_field o_MusicPlayerTrack_wait, 1
+	struct_field o_MusicPlayerTrack_patternLevel, 1
+	struct_field o_MusicPlayerTrack_repN, 1
+	struct_field o_MusicPlayerTrack_gateTime, 1
+	struct_field o_MusicPlayerTrack_key, 1
+	struct_field o_MusicPlayerTrack_velocity, 1
+	struct_field o_MusicPlayerTrack_runningStatus, 1
+	struct_field o_MusicPlayerTrack_keyM, 1
+	struct_field o_MusicPlayerTrack_pitM, 1
+	struct_field o_MusicPlayerTrack_keyShift, 1
+	struct_field o_MusicPlayerTrack_keyShiftX, 1
+	struct_field o_MusicPlayerTrack_tune, 1
+	struct_field o_MusicPlayerTrack_pitX, 1
+	struct_field o_MusicPlayerTrack_bend, 1
+	struct_field o_MusicPlayerTrack_bendRange, 1
+	struct_field o_MusicPlayerTrack_volMR, 1
+	struct_field o_MusicPlayerTrack_volML, 1
+	struct_field o_MusicPlayerTrack_vol, 1
+	struct_field o_MusicPlayerTrack_volX, 1
+	struct_field o_MusicPlayerTrack_pan, 1
+	struct_field o_MusicPlayerTrack_panX, 1
+	struct_field o_MusicPlayerTrack_modM, 1
+	struct_field o_MusicPlayerTrack_mod, 1
+	struct_field o_MusicPlayerTrack_modT, 1
+	struct_field o_MusicPlayerTrack_lfoSpeed, 1
+	struct_field o_MusicPlayerTrack_lfoSpeedC, 1
+	struct_field o_MusicPlayerTrack_lfoDelay, 1
+	struct_field o_MusicPlayerTrack_lfoDelayC, 1
+	struct_field o_MusicPlayerTrack_priority, 1
+	struct_field o_MusicPlayerTrack_echoVolume, 1
+	struct_field o_MusicPlayerTrack_echoLength, 1
+	struct_field o_MusicPlayerTrack_chan, 4
+	struct_field o_MusicPlayerTrack_ToneData_type, 1
+	struct_field o_MusicPlayerTrack_ToneData_key, 1
+	struct_field o_MusicPlayerTrack_ToneData_length, 1
+	struct_field o_MusicPlayerTrack_ToneData_pan_sweep, 1
+	struct_field o_MusicPlayerTrack_ToneData_wav, 4
+	struct_field o_MusicPlayerTrack_ToneData_attack, 1
+	struct_field o_MusicPlayerTrack_ToneData_decay, 1
+	struct_field o_MusicPlayerTrack_ToneData_sustain, 1
+	struct_field o_MusicPlayerTrack_ToneData_release, 1
+	struct_field o_MusicPlayerTrack_gap, 10
+	struct_field o_MusicPlayerTrack_unk_3A, 2
+	struct_field o_MusicPlayerTrack_unk_3C, 4
+	struct_field o_MusicPlayerTrack_cmdPtr, 4
+	struct_field o_MusicPlayerTrack_patternStack, 12
+	struct_field MusicPlayerTrack_size, 0
+
+	.equiv o_MusicPlayerTrack_ToneData_keySplitTable, o_MusicPlayerTrack_ToneData_attack
+
+	struct_begin
+	struct_field o_MusicPlayerInfo_songHeader, 4
+	struct_field o_MusicPlayerInfo_status, 4
+	struct_field o_MusicPlayerInfo_trackCount, 1
+	struct_field o_MusicPlayerInfo_priority, 1
+	struct_field o_MusicPlayerInfo_cmd, 1
+	struct_field o_MusicPlayerInfo_unk_B, 1
+	struct_field o_MusicPlayerInfo_clock, 4
+	struct_field o_MusicPlayerInfo_gap, 8
+	struct_field o_MusicPlayerInfo_memAccArea, 4
+	struct_field o_MusicPlayerInfo_tempoD, 2
+	struct_field o_MusicPlayerInfo_tempoU, 2
+	struct_field o_MusicPlayerInfo_tempoI, 2
+	struct_field o_MusicPlayerInfo_tempoC, 2
+	struct_field o_MusicPlayerInfo_fadeOI, 2
+	struct_field o_MusicPlayerInfo_fadeOC, 2
+	struct_field o_MusicPlayerInfo_fadeOV, 2
+	struct_field o_MusicPlayerInfo_padding, 2
+	struct_field o_MusicPlayerInfo_tracks, 4
+	struct_field o_MusicPlayerInfo_tone, 4
+	struct_field o_MusicPlayerInfo_ident, 4
+	struct_field o_MusicPlayerInfo_func, 4
+	struct_field o_MusicPlayerInfo_intp, 4
+	struct_field MusicPlayerInfo_size, 0
+
+	struct_begin
+	struct_field o_CgbChannel_sf, 1
+	struct_field o_CgbChannel_ty, 1
+	struct_field o_CgbChannel_rightVolume, 1
+	struct_field o_CgbChannel_leftVolume, 1
+	struct_field o_CgbChannel_at, 1
+	struct_field o_CgbChannel_de, 1
+	struct_field o_CgbChannel_su, 1
+	struct_field o_CgbChannel_re, 1
+	struct_field o_CgbChannel_ky, 1
+	struct_field o_CgbChannel_ev, 1
+	struct_field o_CgbChannel_eg, 1
+	struct_field o_CgbChannel_ec, 1
+	struct_field o_CgbChannel_echoVolume, 1
+	struct_field o_CgbChannel_echoLength, 1
+	struct_field o_CgbChannel_d1, 1
+	struct_field o_CgbChannel_d2, 1
+	struct_field o_CgbChannel_gt, 1
+	struct_field o_CgbChannel_mk, 1
+	struct_field o_CgbChannel_ve, 1
+	struct_field o_CgbChannel_pr, 1
+	struct_field o_CgbChannel_rp, 1
+	struct_field o_CgbChannel_d3, 3
+	struct_field o_CgbChannel_d5, 1
+	struct_field o_CgbChannel_sg, 1
+	struct_field o_CgbChannel_n4, 1
+	struct_field o_CgbChannel_pan, 1
+	struct_field o_CgbChannel_panMask, 1
+	struct_field o_CgbChannel_mo, 1
+	struct_field o_CgbChannel_le, 1
+	struct_field o_CgbChannel_sw, 1
+	struct_field o_CgbChannel_fr, 4
+	struct_field o_CgbChannel_wp, 4
+	struct_field o_CgbChannel_cp, 4
+	struct_field o_CgbChannel_tp, 4
+	struct_field o_CgbChannel_pp, 4
+	struct_field o_CgbChannel_np, 4
+	struct_field o_CgbChannel_d4, 8
+	struct_field CgbChannel_size, 0
diff --git a/constants/misc_constants.inc b/constants/misc_constants.inc
new file mode 100644
index 000000000..5f4330928
--- /dev/null
+++ b/constants/misc_constants.inc
@@ -0,0 +1,51 @@
+	.set TRUE, 1
+	.set FALSE, 0
+
+	.set NULL, 0
+
+	.set POKEMON_NAME_LENGTH, 11
+	.set MOVE_NAME_LENGTH,    13
+
+	.set SPRITE_SIZE_8x8,   (OAM_SIZE_0 >> 28) | (OAM_SQUARE >> 14)
+	.set SPRITE_SIZE_16x16, (OAM_SIZE_1 >> 28) | (OAM_SQUARE >> 14)
+	.set SPRITE_SIZE_32x32, (OAM_SIZE_2 >> 28) | (OAM_SQUARE >> 14)
+	.set SPRITE_SIZE_64x64, (OAM_SIZE_3 >> 28) | (OAM_SQUARE >> 14)
+
+	.set SPRITE_SIZE_16x8,  (OAM_SIZE_0 >> 28) | (OAM_H_RECTANGLE >> 14)
+	.set SPRITE_SIZE_32x8,  (OAM_SIZE_1 >> 28) | (OAM_H_RECTANGLE >> 14)
+	.set SPRITE_SIZE_32x16, (OAM_SIZE_2 >> 28) | (OAM_H_RECTANGLE >> 14)
+	.set SPRITE_SIZE_64x32, (OAM_SIZE_3 >> 28) | (OAM_H_RECTANGLE >> 14)
+
+	.set SPRITE_SIZE_8x16,  (OAM_SIZE_0 >> 28) | (OAM_V_RECTANGLE >> 14)
+	.set SPRITE_SIZE_8x32,  (OAM_SIZE_1 >> 28) | (OAM_V_RECTANGLE >> 14)
+	.set SPRITE_SIZE_16x32, (OAM_SIZE_2 >> 28) | (OAM_V_RECTANGLE >> 14)
+	.set SPRITE_SIZE_32x64, (OAM_SIZE_3 >> 28) | (OAM_V_RECTANGLE >> 14)
+
+	.set OBJ_IMAGE_ANIM_H_FLIP, 1 << 6
+	.set OBJ_IMAGE_ANIM_V_FLIP, 1 << 7
+
+	.equiv DIR_SOUTH, 1
+	.equiv DIR_NORTH, 2
+	.equiv DIR_WEST,  3
+	.equiv DIR_EAST,  4
+
+	.equiv MALE, 0
+	.equiv FEMALE, 1
+
+	.ifdef ENGLISH
+	.equiv GAME_LANGUAGE, 2
+	.else
+	.ifdef GERMAN
+	.equiv GAME_LANGUAGE, 5
+	.endif
+	.endif
+
+	.equiv ENEMY_TYPE1,  0
+	.equiv ENEMY_TYPE2,  1
+	.equiv PLAYER_TYPE1,  2
+	.equiv PLAYER_TYPE2,  3
+	.equiv CURRENT_MOVE,  4
+	
+	.equiv LESS_THAN, 0
+	.equiv GREATER_THAN, 1
+	.equiv EQUAL, 2
diff --git a/constants/pokemon_data_constants.inc b/constants/pokemon_data_constants.inc
new file mode 100644
index 000000000..cf5d4df41
--- /dev/null
+++ b/constants/pokemon_data_constants.inc
@@ -0,0 +1,78 @@
+	.set NATURE_HARDY,   0
+	.set NATURE_LONELY,  1
+	.set NATURE_BRAVE,   2
+	.set NATURE_ADAMANT, 3
+	.set NATURE_NAUGHTY, 4
+	.set NATURE_BOLD,    5
+	.set NATURE_DOCILE,  6
+	.set NATURE_RELAXED, 7
+	.set NATURE_IMPISH,  8
+	.set NATURE_LAX,     9
+	.set NATURE_TIMID,   10
+	.set NATURE_HASTY,   11
+	.set NATURE_SERIOUS, 12
+	.set NATURE_JOLLY,   13
+	.set NATURE_NAIVE,   14
+	.set NATURE_MODEST,  15
+	.set NATURE_MILD,    16
+	.set NATURE_QUIET,   17
+	.set NATURE_BASHFUL, 18
+	.set NATURE_RASH,    19
+	.set NATURE_CALM,    20
+	.set NATURE_GENTLE,  21
+	.set NATURE_SASSY,   22
+	.set NATURE_CAREFUL, 23
+	.set NATURE_QUIRKY,  24
+
+	.set GROWTH_MEDIUM_FAST, 0x00
+	.set GROWTH_ERRATIC,     0x01
+	.set GROWTH_FLUCTUATING, 0x02
+	.set GROWTH_MEDIUM_SLOW, 0x03
+	.set GROWTH_FAST,        0x04
+	.set GROWTH_SLOW,        0x05
+
+	.set EGG_GROUP_NONE,         0x00
+	.set EGG_GROUP_MONSTER,      0x01
+	.set EGG_GROUP_WATER_1,      0x02
+	.set EGG_GROUP_BUG,          0x03
+	.set EGG_GROUP_FLYING,       0x04
+	.set EGG_GROUP_FIELD,        0x05
+	.set EGG_GROUP_FAIRY,        0x06
+	.set EGG_GROUP_GRASS,        0x07
+	.set EGG_GROUP_HUMAN_LIKE,   0x08
+	.set EGG_GROUP_WATER_3,      0x09
+	.set EGG_GROUP_MINERAL,      0x0a
+	.set EGG_GROUP_AMORPHOUS,    0x0b
+	.set EGG_GROUP_WATER_2,      0x0c
+	.set EGG_GROUP_DITTO,        0x0d
+	.set EGG_GROUP_DRAGON,       0x0e
+	.set EGG_GROUP_UNDISCOVERED, 0x0f
+
+	.set BODY_COLOR_RED,    0x00
+	.set BODY_COLOR_BLUE,   0x01
+	.set BODY_COLOR_YELLOW, 0x02
+	.set BODY_COLOR_GREEN,  0x03
+	.set BODY_COLOR_BLACK,  0x04
+	.set BODY_COLOR_BROWN,  0x05
+	.set BODY_COLOR_PURPLE, 0x06
+	.set BODY_COLOR_GRAY,   0x07
+	.set BODY_COLOR_WHITE,  0x08
+	.set BODY_COLOR_PINK,   0x09
+
+	.set F_SUMMARY_SCREEN_FLIP_SPRITE, 0x80
+
+	.set EVO_FRIENDSHIP,       0x0001 @ Pokémon levels up with friendship ≥ 220
+	.set EVO_FRIENDSHIP_DAY,   0x0002 @ Pokémon levels up during the day with friendship ≥ 220
+	.set EVO_FRIENDSHIP_NIGHT, 0x0003 @ Pokémon levels up at night with friendship ≥ 220
+	.set EVO_LEVEL,            0x0004 @ Pokémon reaches the specified level
+	.set EVO_TRADE,            0x0005 @ Pokémon is traded
+	.set EVO_TRADE_ITEM,       0x0006 @ Pokémon is traded while it's holding the specified item
+	.set EVO_ITEM,             0x0007 @ specified item is used on Pokémon
+	.set EVO_LEVEL_ATK_GT_DEF, 0x0008 @ Pokémon reaches the specified level with attack > defense
+	.set EVO_LEVEL_ATK_EQ_DEF, 0x0009 @ Pokémon reaches the specified level with attack = defense
+	.set EVO_LEVEL_ATK_LT_DEF, 0x000a @ Pokémon reaches the specified level with attack < defense
+	.set EVO_LEVEL_SILCOON,    0x000b @ Pokémon reaches the specified level with a Silcoon personality value
+	.set EVO_LEVEL_CASCOON,    0x000c @ Pokémon reaches the specified level with a Cascoon personality value
+	.set EVO_LEVEL_NINJASK,    0x000d @ Pokémon reaches the specified level (special value for Ninjask)
+	.set EVO_LEVEL_SHEDINJA,   0x000e @ Pokémon reaches the specified level (special value for Shedinja)
+	.set EVO_BEAUTY,           0x000f @ Pokémon levels up with beauty ≥ specified value
diff --git a/constants/trainer_constants.inc b/constants/trainer_constants.inc
new file mode 100644
index 000000000..48ed3036e
--- /dev/null
+++ b/constants/trainer_constants.inc
@@ -0,0 +1,243 @@
+	.set TRAINER_CLASS_AQUA_LEADER,            0
+	.set TRAINER_CLASS_TEAM_AQUA_M,            1
+	.set TRAINER_CLASS_TEAM_AQUA_F,            2
+	.set TRAINER_CLASS_AROMA_LADY,             3
+	.set TRAINER_CLASS_RUIN_MANIAC,            4
+	.set TRAINER_CLASS_INTERVIEWER,            5
+	.set TRAINER_CLASS_TUBER_F,                6
+	.set TRAINER_CLASS_TUBER_M,                7
+	.set TRAINER_CLASS_COOL_TRAINER_M,         8
+	.set TRAINER_CLASS_COOL_TRAINER_F,         9
+	.set TRAINER_CLASS_HEX_MANIAC,            10
+	.set TRAINER_CLASS_LADY,                  11
+	.set TRAINER_CLASS_BEAUTY,                12
+	.set TRAINER_CLASS_RICH_BOY,              13
+	.set TRAINER_CLASS_POKEMANIAC,            14
+	.set TRAINER_CLASS_SWIMMER_M,             15
+	.set TRAINER_CLASS_BLACK_BELT,            16
+	.set TRAINER_CLASS_GUITARIST,             17
+	.set TRAINER_CLASS_KINDLER,               18
+	.set TRAINER_CLASS_CAMPER,                19
+	.set TRAINER_CLASS_BUG_MANIAC,            20
+	.set TRAINER_CLASS_PSYCHIC_M,             21
+	.set TRAINER_CLASS_PSYCHIC_F,             22
+	.set TRAINER_CLASS_GENTLEMAN,             23
+	.set TRAINER_CLASS_ELITE_FOUR_M,          24
+	.set TRAINER_CLASS_ELITE_FOUR_F,          25
+	.set TRAINER_CLASS_LEADER_F,              26
+	.set TRAINER_CLASS_LEADER_M,              27
+	.set TRAINER_CLASS_LEADER_MF,             28
+	.set TRAINER_CLASS_SCHOOL_KID_M,          29
+	.set TRAINER_CLASS_SCHOOL_KID_F,          30
+	.set TRAINER_CLASS_SR_AND_JR,             31
+	.set TRAINER_CLASS_POKEFAN_M,             32
+	.set TRAINER_CLASS_POKEFAN_F,             33
+	.set TRAINER_CLASS_EXPERT_M,              34
+	.set TRAINER_CLASS_EXPERT_F,              35
+	.set TRAINER_CLASS_YOUNGSTER,             36
+	.set TRAINER_CLASS_CHAMPION,              37
+	.set TRAINER_CLASS_FISHERMAN,             38
+	.set TRAINER_CLASS_CYCLING_TRIATHLETE_M,  39
+	.set TRAINER_CLASS_CYCLING_TRIATHLETE_F,  40
+	.set TRAINER_CLASS_RUNNING_TRIATHLETE_M,  41
+	.set TRAINER_CLASS_RUNNING_TRIATHLETE_F,  42
+	.set TRAINER_CLASS_SWIMMING_TRIATHLETE_M, 43
+	.set TRAINER_CLASS_SWIMMING_TRIATHLETE_F, 44
+	.set TRAINER_CLASS_DRAGON_TAMER,          45
+	.set TRAINER_CLASS_BIRD_KEEPER,           46
+	.set TRAINER_CLASS_NINJA_BOY,             47
+	.set TRAINER_CLASS_BATTLE_GIRL,           48
+	.set TRAINER_CLASS_PARASOL_LADY,          49
+	.set TRAINER_CLASS_SWIMMER_F,             50
+	.set TRAINER_CLASS_PICNICKER,             51
+	.set TRAINER_CLASS_TWINS,                 52
+	.set TRAINER_CLASS_SAILOR,                53
+	.set TRAINER_CLASS_BOARDER_1,             54
+	.set TRAINER_CLASS_BOARDER_2,             55
+	.set TRAINER_CLASS_COLLECTOR,             56
+	.set TRAINER_CLASS_WALLY,                 57
+	.set TRAINER_CLASS_BRENDAN_1,             58
+	.set TRAINER_CLASS_BRENDAN_2,             59
+	.set TRAINER_CLASS_BRENDAN_3,             60
+	.set TRAINER_CLASS_MAY_1,                 61
+	.set TRAINER_CLASS_MAY_2,                 62
+	.set TRAINER_CLASS_MAY_3,                 63
+	.set TRAINER_CLASS_POKEMON_BREEDER_M,     64
+	.set TRAINER_CLASS_POKEMON_BREEDER_F,     65
+	.set TRAINER_CLASS_POKEMON_RANGER_M,      66
+	.set TRAINER_CLASS_POKEMON_RANGER_F,      67
+	.set TRAINER_CLASS_MAGMA_LEADER,          68
+	.set TRAINER_CLASS_TEAM_MAGMA_M,          69
+	.set TRAINER_CLASS_TEAM_MAGMA_F,          70
+	.set TRAINER_CLASS_LASS,                  71
+	.set TRAINER_CLASS_BUG_CATCHER,           72
+	.set TRAINER_CLASS_HIKER,                 73
+	.set TRAINER_CLASS_YOUNG_COUPLE,          74
+	.set TRAINER_CLASS_OLD_COUPLE,            75
+	.set TRAINER_CLASS_SIS_AND_BRO,           76
+
+	.set TRAINER_PIC_BRENDAN,                0
+	.set TRAINER_PIC_MAY,                    1
+	.set TRAINER_PIC_LASS,                   2
+	.set TRAINER_PIC_YOUNGSTER,              3
+	.set TRAINER_PIC_HIKER,                  4
+	.set TRAINER_PIC_BEAUTY,                 5
+	.set TRAINER_PIC_FISHERMAN,              6
+	.set TRAINER_PIC_LADY,                   7
+	.set TRAINER_PIC_CYCLING_TRIATHLETE_M,   8
+	.set TRAINER_PIC_AQUA_GRUNT_M,           9
+	.set TRAINER_PIC_TWINS,                 10
+	.set TRAINER_PIC_SWIMMER_F,             11
+	.set TRAINER_PIC_BUG_CATCHER,           12
+	.set TRAINER_PIC_SCHOOL_KID_M,          13
+	.set TRAINER_PIC_RICH_BOY,              14
+	.set TRAINER_PIC_SR_AND_JR,             15
+	.set TRAINER_PIC_BLACK_BELT,            16
+	.set TRAINER_PIC_WALLY,                 17
+	.set TRAINER_PIC_AQUA_GRUNT_F,          18
+	.set TRAINER_PIC_TUBER_F,               19
+	.set TRAINER_PIC_HEX_MANIAC,            20
+	.set TRAINER_PIC_POKEMON_BREEDER_F,     21
+	.set TRAINER_PIC_MAGMA_GRUNT_M,         22
+	.set TRAINER_PIC_MAGMA_GRUNT_F,         23
+	.set TRAINER_PIC_INTERVIEWER,           24
+	.set TRAINER_PIC_TUBER_M,               25
+	.set TRAINER_PIC_YOUNG_COUPLE,          26
+	.set TRAINER_PIC_GUITARIST,             27
+	.set TRAINER_PIC_GENTLEMAN,             28
+	.set TRAINER_PIC_STEVEN,                29
+	.set TRAINER_PIC_MAXIE,                 30
+	.set TRAINER_PIC_RUNNING_TRIATHLETE_F,  31
+	.set TRAINER_PIC_RUNNING_TRIATHLETE_M,  32
+	.set TRAINER_PIC_BATTLE_GIRL,           33
+	.set TRAINER_PIC_CYCLING_TRIATHLETE_F,  34
+	.set TRAINER_PIC_SWIMMER_M,             35
+	.set TRAINER_PIC_POKEFAN_F,             36
+	.set TRAINER_PIC_EXPERT_M,              37
+	.set TRAINER_PIC_EXPERT_F,              38
+	.set TRAINER_PIC_SWIMMING_TRIATHLETE_M, 39
+	.set TRAINER_PIC_SWIMMING_TRIATHLETE_F, 40
+	.set TRAINER_PIC_DRAGON_TAMER,          41
+	.set TRAINER_PIC_BIRD_KEEPER,           42
+	.set TRAINER_PIC_NINJA_BOY,             43
+	.set TRAINER_PIC_PARASOL_LADY,          44
+	.set TRAINER_PIC_BUG_MANIAC,            45
+	.set TRAINER_PIC_SAILOR,                46
+	.set TRAINER_PIC_COLLECTOR,             47
+	.set TRAINER_PIC_POKEMON_BREEDER_M,     48
+	.set TRAINER_PIC_POKEMON_RANGER_M,      49
+	.set TRAINER_PIC_POKEMON_RANGER_F,      50
+	.set TRAINER_PIC_MAGMA_ADMIN_M,         51
+	.set TRAINER_PIC_MAGMA_ADMIN_F,         52
+	.set TRAINER_PIC_AROMA_LADY,            53
+	.set TRAINER_PIC_RUIN_MANIAC,           54
+	.set TRAINER_PIC_COOL_TRAINER_M,        55
+	.set TRAINER_PIC_COOL_TRAINER_F,        56
+	.set TRAINER_PIC_POKEMANIAC,            57
+	.set TRAINER_PIC_KINDLER,               58
+	.set TRAINER_PIC_CAMPER,                59
+	.set TRAINER_PIC_PICNICKER,             60
+	.set TRAINER_PIC_PSYCHIC_M,             61
+	.set TRAINER_PIC_PSYCHIC_F,             62
+	.set TRAINER_PIC_SCHOOL_KID_F,          63
+	.set TRAINER_PIC_POKEFAN_M,             64
+	.set TRAINER_PIC_SIS_AND_BRO,           65
+	.set TRAINER_PIC_OLD_COUPLE,            66
+	.set TRAINER_PIC_AQUA_ADMIN_M,          67
+	.set TRAINER_PIC_AQUA_ADMIN_F,          68
+	.set TRAINER_PIC_UNUSED_AQUA,           69
+	.set TRAINER_PIC_ARCHIE,                70
+	.set TRAINER_PIC_ROXANNE,               71
+	.set TRAINER_PIC_BRAWLY,                72
+	.set TRAINER_PIC_WATTSON,               73
+	.set TRAINER_PIC_FLANNERY,              74
+	.set TRAINER_PIC_NORMAN,                75
+	.set TRAINER_PIC_WINONA,                76
+	.set TRAINER_PIC_TATE_AND_LIZA,         77
+	.set TRAINER_PIC_WALLACE,               78
+	.set TRAINER_PIC_SIDNEY,                79
+	.set TRAINER_PIC_PHOEBE,                80
+	.set TRAINER_PIC_GLACIA,                81
+	.set TRAINER_PIC_DRAKE,                 82
+
+	.set TRAINER_CLASS_NAME_POKEMON_TRAINER_1,  0
+	.set TRAINER_CLASS_NAME_POKEMON_TRAINER_2,  1
+	.set TRAINER_CLASS_NAME_AQUA_LEADER,        2
+	.set TRAINER_CLASS_NAME_TEAM_AQUA,          3
+	.set TRAINER_CLASS_NAME_AQUA_ADMIN,         4
+	.set TRAINER_CLASS_NAME_AROMA_LADY,         5
+	.set TRAINER_CLASS_NAME_RUIN_MANIAC,        6
+	.set TRAINER_CLASS_NAME_INTERVIEWER,        7
+	.set TRAINER_CLASS_NAME_TUBER_F,            8
+	.set TRAINER_CLASS_NAME_TUBER_M,            9
+	.set TRAINER_CLASS_NAME_COOL_TRAINER,      10
+	.set TRAINER_CLASS_NAME_HEX_MANIAC,        11
+	.set TRAINER_CLASS_NAME_LADY,              12
+	.set TRAINER_CLASS_NAME_BEAUTY,            13
+	.set TRAINER_CLASS_NAME_RICH_BOY,          14
+	.set TRAINER_CLASS_NAME_POKEMANIAC,        15
+	.set TRAINER_CLASS_NAME_SWIMMER_M,         16
+	.set TRAINER_CLASS_NAME_BLACK_BELT,        17
+	.set TRAINER_CLASS_NAME_GUITARIST,         18
+	.set TRAINER_CLASS_NAME_KINDLER,           19
+	.set TRAINER_CLASS_NAME_CAMPER,            20
+	.set TRAINER_CLASS_NAME_BUG_MANIAC,        21
+	.set TRAINER_CLASS_NAME_PSYCHIC,           22
+	.set TRAINER_CLASS_NAME_GENTLEMAN,         23
+	.set TRAINER_CLASS_NAME_ELITE_FOUR,        24
+	.set TRAINER_CLASS_NAME_LEADER,            25
+	.set TRAINER_CLASS_NAME_SCHOOL_KID,        26
+	.set TRAINER_CLASS_NAME_SR_AND_JR,         27
+	.set TRAINER_CLASS_NAME_WINSTRATE,         28
+	.set TRAINER_CLASS_NAME_POKEFAN,           29
+	.set TRAINER_CLASS_NAME_EXPERT,            30
+	.set TRAINER_CLASS_NAME_YOUNGSTER,         31
+	.set TRAINER_CLASS_NAME_CHAMPION,          32
+	.set TRAINER_CLASS_NAME_FISHERMAN,         33
+	.set TRAINER_CLASS_NAME_TRIATHLETE,        34
+	.set TRAINER_CLASS_NAME_DRAGON_TAMER,      35
+	.set TRAINER_CLASS_NAME_BIRD_KEEPER,       36
+	.set TRAINER_CLASS_NAME_NINJA_BOY,         37
+	.set TRAINER_CLASS_NAME_BATTLE_GIRL,       38
+	.set TRAINER_CLASS_NAME_PARASOL_LADY,      39
+	.set TRAINER_CLASS_NAME_SWIMMER_F,         40
+	.set TRAINER_CLASS_NAME_PICNICKER,         41
+	.set TRAINER_CLASS_NAME_TWINS,             42
+	.set TRAINER_CLASS_NAME_SAILOR,            43
+	.set TRAINER_CLASS_NAME_BOARDER,           44
+	.set TRAINER_CLASS_NAME_COLLECTOR,         45
+	.set TRAINER_CLASS_NAME_POKEMON_TRAINER_3, 46
+	.set TRAINER_CLASS_NAME_POKEMON_BREEDER,   47
+	.set TRAINER_CLASS_NAME_POKEMON_RANGER,    48
+	.set TRAINER_CLASS_NAME_MAGMA_LEADER,      49
+	.set TRAINER_CLASS_NAME_TEAM_MAGMA,        50
+	.set TRAINER_CLASS_NAME_MAGMA_ADMIN,       51
+	.set TRAINER_CLASS_NAME_LASS,              52
+	.set TRAINER_CLASS_NAME_BUG_CATCHER,       53
+	.set TRAINER_CLASS_NAME_HIKER,             54
+	.set TRAINER_CLASS_NAME_YOUNG_COUPLE,      55
+	.set TRAINER_CLASS_NAME_OLD_COUPLE,        56
+	.set TRAINER_CLASS_NAME_SIS_AND_BRO,       57
+
+	.set TRAINER_ENCOUNTER_MUSIC_MALE,         0 @ standard male encounter music
+	.set TRAINER_ENCOUNTER_MUSIC_FEMALE,       1 @ standard female encounter music
+	.set TRAINER_ENCOUNTER_MUSIC_GIRL,         2 @ used for male Tubers and Young Couples too
+	.set TRAINER_ENCOUNTER_MUSIC_SUSPICIOUS,   3
+	.set TRAINER_ENCOUNTER_MUSIC_INTENSE,      4
+	.set TRAINER_ENCOUNTER_MUSIC_COOL,         5
+	.set TRAINER_ENCOUNTER_MUSIC_AQUA,         6
+	.set TRAINER_ENCOUNTER_MUSIC_MAGMA,        7
+	.set TRAINER_ENCOUNTER_MUSIC_SWIMMER,      8
+	.set TRAINER_ENCOUNTER_MUSIC_TWINS,        9 @ used for other trainer classes too
+	.set TRAINER_ENCOUNTER_MUSIC_ELITE_FOUR,  10
+	.set TRAINER_ENCOUNTER_MUSIC_HIKER,       11 @ used for other trainer classes too
+	.set TRAINER_ENCOUNTER_MUSIC_INTERVIEWER, 12
+	.set TRAINER_ENCOUNTER_MUSIC_RICH,        13 @ Rich Boys and Gentlemen
+
+	.set F_TRAINER_FEMALE, 1 << 7
+
+@ All trainer parties specify the IV, level, and species for each Pokémon in the
+@ party. Some trainer parties also specify held items and custom moves for each
+@ Pokémon.
+	.set F_TRAINER_PARTY_CUSTOM_MOVESET, 1 << 0
+	.set F_TRAINER_PARTY_HELD_ITEM,      1 << 1
diff --git a/constants/type_constants.inc b/constants/type_constants.inc
new file mode 100644
index 000000000..c6611bd8a
--- /dev/null
+++ b/constants/type_constants.inc
@@ -0,0 +1,18 @@
+	.set TYPE_NORMAL,   0x00
+	.set TYPE_FIGHTING, 0x01
+	.set TYPE_FLYING,   0x02
+	.set TYPE_POISON,   0x03
+	.set TYPE_GROUND,   0x04
+	.set TYPE_ROCK,     0x05
+	.set TYPE_BUG,      0x06
+	.set TYPE_GHOST,    0x07
+	.set TYPE_STEEL,    0x08
+	.set TYPE_MYSTERY,  0x09
+	.set TYPE_FIRE,     0x0a
+	.set TYPE_WATER,    0x0b
+	.set TYPE_GRASS,    0x0c
+	.set TYPE_ELECTRIC, 0x0d
+	.set TYPE_PSYCHIC,  0x0e
+	.set TYPE_ICE,      0x0f
+	.set TYPE_DRAGON,   0x10
+	.set TYPE_DARK,     0x11
diff --git a/constants/variables.inc b/constants/variables.inc
new file mode 100644
index 000000000..ab488a97e
--- /dev/null
+++ b/constants/variables.inc
@@ -0,0 +1,6 @@
+	.equiv FACING,           0x800C
+	.equiv RESULT,           0x800D
+	.equiv ITEM_ID,          0x800E
+	.equiv LAST_TALKED,      0x800F
+	.equiv CONTEST_RANK,     0x8010
+	.equiv CONTEST_CATEGORY, 0x8011
diff --git a/constants/version.inc b/constants/version.inc
new file mode 100644
index 000000000..c93e439f4
--- /dev/null
+++ b/constants/version.inc
@@ -0,0 +1,91 @@
+	.ifdef SAPPHIRE
+	.equiv GAME_VERSION, 1
+	.else
+	.equiv GAME_VERSION, 2
+	.endif
+
+	.ifdef SAPPHIRE
+	.set BGM_EVIL_TEAM, BGM_AQA_0
+	.set BGM_GOOD_TEAM, BGM_MGM0
+	.else
+	.set BGM_EVIL_TEAM, BGM_MGM0
+	.set BGM_GOOD_TEAM, BGM_AQA_0
+	.endc
+
+	.ifdef SAPPHIRE
+	.set ITEM_RED_OR_BLUE_ORB, ITEM_BLUE_ORB
+	.else
+	.set ITEM_RED_OR_BLUE_ORB, ITEM_RED_ORB
+	.endif
+
+	.ifdef SAPPHIRE
+	.set SPECIES_GROUDON_OR_KYOGRE, SPECIES_KYOGRE
+	.else
+	.set SPECIES_GROUDON_OR_KYOGRE, SPECIES_GROUDON
+	.endif
+
+	.ifdef SAPPHIRE
+	.set SPECIES_LATIAS_OR_LATIOS, SPECIES_LATIOS
+	.else
+	.set SPECIES_LATIAS_OR_LATIOS, SPECIES_LATIAS
+	.endif
+
+	.ifdef SAPPHIRE
+	.set OPPONENT_PETALBURG_WOODS_GRUNT, OPPONENT_GRUNT_9
+	.set OPPONENT_RUSTURF_TUNNEL_GRUNT, OPPONENT_GRUNT_15
+	.set OPPONENT_MUSEUM_2F_GRUNT_1, OPPONENT_GRUNT_19
+	.set OPPONENT_MUSEUM_2F_GRUNT_2, OPPONENT_GRUNT_20
+	.set OPPONENT_514, OPPONENT_HECTOR_1
+	.set OPPONENT_MT_CHIMNEY_GRUNT_1, OPPONENT_MATT_2
+	.set OPPONENT_MT_CHIMNEY_GRUNT_2, OPPONENT_GRUNT_13
+	.set OPPONENT_HIDEOUT_1F_GRUNT, OPPONENT_GRUNT_1
+	.set OPPONENT_HIDEOUT_B1F_GRUNT_1, OPPONENT_GRUNT_2
+	.set OPPONENT_HIDEOUT_B1F_GRUNT_2, OPPONENT_GRUNT_3
+	.set OPPONENT_HIDEOUT_B1F_GRUNT_3, OPPONENT_GRUNT_26
+	.set OPPONENT_HIDEOUT_B2F_GRUNT_1, OPPONENT_MATT_1
+	.set OPPONENT_HIDEOUT_B2F_GRUNT_2, OPPONENT_GRUNT_4
+	.set OPPONENT_HIDEOUT_B2F_GRUNT_3, OPPONENT_GRUNT_27
+	.set OPPONENT_SEAFLOOR_CAVERN_GRUNT_1, OPPONENT_GRUNT_5
+	.set OPPONENT_SEAFLOOR_CAVERN_GRUNT_2, OPPONENT_GRUNT_6
+	.set OPPONENT_SEAFLOOR_CAVERN_GRUNT_3, OPPONENT_SHELLY_2
+	.set OPPONENT_SEAFLOOR_CAVERN_GRUNT_4, OPPONENT_GRUNT_7
+	.set OPPONENT_SEAFLOOR_CAVERN_GRUNT_5, OPPONENT_ARCHIE_2
+	.set OPPONENT_MT_CHIMNEY_GRUNT_3, OPPONENT_ARCHIE_3
+	.set OPPONENT_MT_PYRE_SUMMIT_GRUNT_1, OPPONENT_GRUNT_22
+	.set OPPONENT_MT_PYRE_SUMMIT_GRUNT_2, OPPONENT_GRUNT_23
+	.set OPPONENT_MT_PYRE_SUMMIT_GRUNT_3, OPPONENT_GRUNT_24
+	.set OPPONENT_WEATHER_INSTITUTE_GRUNT_1, OPPONENT_GRUNT_16
+	.set OPPONENT_WEATHER_INSTITUTE_GRUNT_2, OPPONENT_GRUNT_25
+	.set OPPONENT_WEATHER_INSTITUTE_GRUNT_3, OPPONENT_GRUNT_17
+	.set OPPONENT_WEATHER_INSTITUTE_GRUNT_4, OPPONENT_GRUNT_18
+	.set OPPONENT_WEATHER_INSTITUTE_GRUNT_5, OPPONENT_SHELLY_1
+	.else
+	.set OPPONENT_PETALBURG_WOODS_GRUNT, OPPONENT_GRUNT_36
+	.set OPPONENT_RUSTURF_TUNNEL_GRUNT, OPPONENT_GRUNT_42
+	.set OPPONENT_MUSEUM_2F_GRUNT_1, OPPONENT_GRUNT_46
+	.set OPPONENT_MUSEUM_2F_GRUNT_2, OPPONENT_GRUNT_47
+	.set OPPONENT_514, OPPONENT_HECTOR_2
+	.set OPPONENT_MT_CHIMNEY_GRUNT_1, OPPONENT_TABITHA_2
+	.set OPPONENT_MT_CHIMNEY_GRUNT_2, OPPONENT_GRUNT_40
+	.set OPPONENT_HIDEOUT_1F_GRUNT, OPPONENT_GRUNT_28
+	.set OPPONENT_HIDEOUT_B1F_GRUNT_1, OPPONENT_GRUNT_29
+	.set OPPONENT_HIDEOUT_B1F_GRUNT_2, OPPONENT_GRUNT_30
+	.set OPPONENT_HIDEOUT_B1F_GRUNT_3, OPPONENT_GRUNT_53
+	.set OPPONENT_HIDEOUT_B2F_GRUNT_1, OPPONENT_TABITHA_1
+	.set OPPONENT_HIDEOUT_B2F_GRUNT_2, OPPONENT_GRUNT_31
+	.set OPPONENT_HIDEOUT_B2F_GRUNT_3, OPPONENT_GRUNT_54
+	.set OPPONENT_SEAFLOOR_CAVERN_GRUNT_1, OPPONENT_GRUNT_32
+	.set OPPONENT_SEAFLOOR_CAVERN_GRUNT_2, OPPONENT_GRUNT_33
+	.set OPPONENT_SEAFLOOR_CAVERN_GRUNT_3, OPPONENT_COURTNEY_2
+	.set OPPONENT_SEAFLOOR_CAVERN_GRUNT_4, OPPONENT_GRUNT_34
+	.set OPPONENT_SEAFLOOR_CAVERN_GRUNT_5, OPPONENT_MAXIE_2
+	.set OPPONENT_MT_CHIMNEY_GRUNT_3, OPPONENT_MAXIE_3
+	.set OPPONENT_MT_PYRE_SUMMIT_GRUNT_1, OPPONENT_GRUNT_49
+	.set OPPONENT_MT_PYRE_SUMMIT_GRUNT_2, OPPONENT_GRUNT_50
+	.set OPPONENT_MT_PYRE_SUMMIT_GRUNT_3, OPPONENT_GRUNT_51
+	.set OPPONENT_WEATHER_INSTITUTE_GRUNT_1, OPPONENT_GRUNT_43
+	.set OPPONENT_WEATHER_INSTITUTE_GRUNT_2, OPPONENT_GRUNT_52
+	.set OPPONENT_WEATHER_INSTITUTE_GRUNT_3, OPPONENT_GRUNT_44
+	.set OPPONENT_WEATHER_INSTITUTE_GRUNT_4, OPPONENT_GRUNT_45
+	.set OPPONENT_WEATHER_INSTITUTE_GRUNT_5, OPPONENT_COURTNEY_1
+	.endif