smw.asm

;Disassembly of Super Mario World (Unl)

;This is still a work in progress and is not recommended for use in hacks.

;Assembles with morskoyzmey's fork of ASM6.

;----------------------------------------
db "NES", $1A	;NES Header
db 32			;32 x 16k PRG banks
db 32			;32 x 8k CHR banks
db $A1, $50		;Mapper: 90
dsb 8, $00		;Header Tail
;----------------------------------------

;Constants
include constants.asm

;Macros
include macros.asm

;General RAM defines

;Game engine
PPUControlMirror = $00
PPUMaskMirror = $01
ScrollXPos = $02
ScrollYPos = $03
FrameCount = $06
Bank42Backup = $08
Bank41Backup = $09
ButtonsHeld = $030A
ButtonsPressed = $030C
ButtonsMirrored = $030E
Controller2Input = $063E
SecFrameCount = $0313
ScratchRAM = $2E
PlayerAnimationPtr = $E5
NMIJMPOpcode = $063A
CameraXScreen = $51
VerticalScrollFlag = $5B
TileRowCount = $B0
BGAttrRowCount = $B1
MetaspriteRowAlignment = $B2
EntitySetPtr = $DC
InLevelFlag = $DE
GameState = $DF
GameSubstate = $E0
PlayerState = $E1

BGPalette = $0310
FadeoutMode = $0311
PalTransition = $0312
TileAttributes = $0400
TileColumnMem = $0485
PalAssignPtrHi = $04C1
PalAssignPtrLo = $04C2
PalAssignData = $04C3
PPUUpdatePtr = $03A1
PPUWriteCount = $03A4
PPUDataBuffer = $03A5

WarpLevelNumber = $060B
WarpNumber = $060C
VertScrollLock = $060D
HorizScrollLock = $060F

;Sprite rendering variables
OAMFreeIndex = $3C
MetaspriteBankIndex = $36
MetaspriteRelTile = $38
MetaspriteColXBuf = $41
MetaspriteRowYBuf = $B2
MetaspriteColCount = $3E
MetaspriteRowCount = $3F

GS0SpriteAnimPtr = $AE
GS0SpriteCount = $30
GS0SpriteBankNum = $31
GS0SpriteXPos = $41
GS0SpriteFrame = $B2
GS0SpriteSlot = $033B
GS0SpriteFlags = $034D
GS0SpriteYPos = $0356
TitleDemoAction = $0365
TitleJumpTimer = $0366
TitleWalkTimer = $0367
Current8x8Tilemap = $032F
TileRepeatCount = $3E
TileRepeatBytesLeft = $3E
GameType = $035F
HUDUpdateTiles = $0378
HUDUpdate = $037D
HUDDisplay = $0607
BGBank1 = $03C5
BGBank2 = $03CB
BGBank3 = $03C6
BGBank4 = $03CC ;Unused
BGBankAnimation = $03CD
SpriteBank1 = $03C7
SpriteBank2 = $03C8
SpriteBank3 = $03C9
SpriteBank4 = $03CA
DataBank1 = $04F3
DataBank2 = $04F5
WorldNumber = $04F6
DataBank3 = $04F7
LevelNumber = $04F7
LevelScreenOrderPtr = $8C
XScroll = $063F
YScroll = $0640

PlayerXScreen = $0A
PlayerXPos = $0B
PlayerYScreen = $0C
PlayerYPos = $0D
PlayerXScreenDup = $0E
PlayerXPosDup = $0F
PlayerYScreenDup = $10
PlayerYPosDup = $11
PlayerSprXPos = $12
PlayerSprYPos = $13
PlayerXSpeed = $14
ScaledPlayerXSpd = $28
PlayerYSpeed = $15
ScaledPlayerYSpd = $2B

PlayerAnimation = $16
PlayerAnimationFrame = $17
PlayerMovement = $19
PlayerPrevDirection = $4F
PlayerSpriteAttributes = $1A ;Not sure what else to call this
PlayerFramePtr = $1B
PlayerAction = $1D
PlayerPrevAction = $1E
PlayerClimbingState = $49
PlayerSprXPosOfs = $1F
PlayerSprYPosOfs = $21
PlayerSpriteMirror = $23
PlayerMetaspriteHAlign = $28
PlayerMetaspriteVAlign = $2B
PlayerWidth = $3A
PlayerHeight = $3B
PlayerPalMappingLo = $C9
PlayerPalMappingHi = $CA
MemJMPOpcode = $0600
MemJMPPtr = $0601
CapeAction = $062C
PlayerAttributes = $06E0

PlayerBackColl = $96
PlayerScreenID = $99
PlayerColXScreen = $64
PlayerColXPos = $65
PlayerColYScreen = $66
PlayerColYPos = $67

FireballSlot = $062F
FireballSlot2 = $0630
UsedFireballSlots = $0631

Player1Lives = $036A
Player2Lives = $036B
Player1YoshiCoins = $036C
Player2YoshiCoins = $036D
LevelTimerLo = $036E
LevelTimerHi = $036F
P1Score = $0372
P2ScoreLoByte = $0374
P2ScoreHiByte = $0375
Player1Coins = $0376
Player2Coins = $0377
P1YoshiBackup = $0393
P2YoshiBackup = $0394
CurrentPlayer = $0399
HurtFlag = $05FD
ActionFrameCount = $0611
PlayerActionTicks = $0612
SwallowFrameCount = $0613
YoshiSwallowTimer = $0614
FlightTakeoffTimer = $061C
Player1YoshiStatus = $061F
YoshiExitStatus = $0620
YoshiIdleStorage = $0621
YoshiIdleMovement = $0622
YoshiTongueState = $0623
PlayerPowerup = $0624
ItemBox = $0625
P1PowerupBackup = $06DA
P2PowerupBackup = $06DB

SpriteMem = $0200
ScrollSpeed = $0326
LogoFlag = $032D
LogoXOffset = $0330
LogoYOffset = $0331

OverworldMapTimer = $032F
WorldSelectNum = $032F
TitleCursorYPos = $0357
PlayerTitleYPos = $0357
PlayerMapAnim = $0361
PlayerMapFrame = $0378
MapMovementFlag = $0379
MapLevelID = $037F
CastleDestroyFlags = $0380
OverworldMapScreen = $0390
WorldSelectTrigger = $0396
UnlockNextLevel = $0397
LevelID = $039C
P1LevelsUnlocked = $039E
P2LevelsUnlocked = $039F
ColumnFinishFlag = $0480
NextBGColumn = $0481

;Object RAM

;object handler
ObjectPRGBank = $AC
ObjectCount = $A3
LowerObjSlot = $A4
ObjectSlot = $0500
ObjectXPos = $0514
ObjectXScreen = $0528
ObjectYPos = $053C
ObjectYScreen = $0550
ObjectState = $0564
ObjectVariables = $0578
ObjectXDistance = $05A0
ObjXScreenDistance = $05B4
ObjectYDistance = $05C8
ObjYScreenDistance = $05DC
ObjectAttributes = $05F0
ObjectAction = $0669
ObjActionTimer = $0641
EnemyAnimFrame = $0655
ObjFrameCounter = $062B

;special objects
BubbleXPos = $0619
BubbleYPos = $061A
BubbleSpawnPoint = $061B

BooBuddiesFlag = $C3
BooBuddiesXPos = $C4
BooBuddiesXScreen = $C5
BooBuddiesYPos = $C6
BooBuddiesYScreen = $C7

YoshiUnmountedState = $05F1
YoshiXPos = $05F2
YoshiXScreen = $05F3
YoshiYPos = $05F4
YoshiYScreen = $05F5
YoshiAnimation = $05F8
YoshiXDistance = $05F9
YoshiXScreenDist = $05FA
YoshiYDistance = $05FB
YoshiYScreenDist = $05FC

JYEasterEggInput = $05EF
BowserStatus = $05F7
InterruptMode = $0606
YScreenCount = $060E
XScreenCount = $0610
UnderwaterFlag = $061D
LevelTopScreenOffset = $04FA
LevelBottomScreenOffset = $04FB

PlayerPowerupBuffer = $0626
ScreenShake = $0633
PSwitchFrameCount = $0634
PSwitchTimer = $0635
PlayerHoldFlag = $0636
PlayerHoldFlag2 = $0637
InvincibilityTimer = $0638
ReznorsDefeated = $0666
ONOFFBlockFlag = $0668
FreezeFlag = $067D
CheckpointFlag = $06A2
BowserHits = $06E5
EndingFreezeFlag = $06E6
ClownCarFace = $06E8
PauseFlag = $0709

;Sound Driver RAM Defines
MusicRegister = $8E
SFXRegister = $8F
MusicBackup = $90
SoundPointer = $FE
MuteFlag = $0700
ChannelPtrs = $0724
VolMacroPtrs = $0751
DutyMacroPtrs = $075D

ChannelVolMacroInds = $074D

Pulse1Transpose = $070D
ChannelPitch = $0739
Pulse1VolumeEnv = $0749
Pulse1Duty = $0759
ChannelPitchSetting = $0761

Pulse2Transpose = $070E
Pulse2VolumeEnv = $074A
Pulse2Duty = $075A
Pulse2PitchSetting = $0762

TriangleTranspose = $070F
TriangleVolumeEnv = $074B
TrianglePitchSetting = $0763

NoiseVolumeEnv = $074C
NoisePitchSetting = $0764

MusicSpeed = $072C
TrianglePitchSetting = $0763

;Hardware registers
PPUCTRL = $2000
PPUMASK = $2001
PPUSTATUS = $2002
OAMADDR = $2003
OAMDATA = $2004
PPUSCROLL = $2005
PPUADDR = $2006
PPUDATA = $2007
SQ1_VOL = $4000
SQ1_SWEEP = $4001
SQ1_LO = $4002
SQ1_HI = $4003
SQ2_VOL = $4004
SQ2_SWEEP = $4005
SQ2_LO = $4006
SQ2_HI = $4007
TRI_LINEAR = $4008
TRI_LO = $400A
TRI_HI = $400B
NOISE_VOL = $400C
NOISE_LO = $400E
NOISE_HI = $400F
DMC_FREQ = $4010
DMC_RAW = $4011
DMC_START = $4012
DMC_LEN = $4013
OAMDMA = $4014
APUSTATUS = $4015
JOY1 = $4016
JOY2 = $4017

;Mapper-specific registers

;PRG banks
M90_PRG0 = $8000
M90_PRG1 = $8001
M90_PRG2 = $8002
M90_PRG3 = $8003

;CHR banks
M90_BG_CHR0 = $9000
M90_BG_CHR1 = $9001
M90_BG_CHR2 = $9002
M90_BG_CHR3 = $9003
M90_SP_CHR0 = $9004
M90_SP_CHR1 = $9005
M90_SP_CHR2 = $9006
M90_SP_CHR3 = $9007

;Nametable banks
M90_NT0 = $B000
M90_NT1 = $B001
M90_NT2 = $B002
M90_NT3 = $B003

;Multiplier
M90_MULTIPLICAND = $5800
M90_MULTIPLIER = $5801

;IRQ registers
M90_IRQ_MODE = $C001
M90_IRQ_DISABLE = $C002
M90_IRQ_ENABLE = $C003
M90_IRQ_PRESCALER = $C004
M90_IRQ_COUNTER = $C005
M90_IRQ_XOR = $C006

;Misc
M90_BANK_SIZE = $D000
M90_CHR_CTRL2 = $D001
M90_PPU_CFG = $D002
M90_CHR_CTRL1 = $D003

;--------------------------------------
;Level Data
;Levels
incbin levels/lvl_1-1.bin
incbin levels/lvl_1-2.bin
incbin levels/lvl_1-3.bin
incbin levels/lvl_1-4_1.bin ;1-4 is split up by special levels
incbin levels/lvl_GhostHouseIntro.bin
incbin levels/lvl_CastleIntro.bin
incbin levels/lvl_YoshiHouse.bin
incbin levels/lvl_1-4_2.bin
incbin levels/lvl_Bonus.bin
incbin levels/lvl_2-1.bin
incbin levels/lvl_2-2.bin
incbin levels/lvl_2-3.bin
incbin levels/lvl_2-4.bin
incbin levels/lvl_3-1.bin
incbin levels/lvl_3-2.bin
incbin levels/lvl_3-3.bin
incbin levels/lvl_3-4.bin
incbin levels/lvl_4-1.bin
incbin levels/lvl_4-2.bin
incbin levels/lvl_4-3.bin
incbin levels/lvl_4-4.bin
incbin levels/lvl_5-1.bin
incbin levels/lvl_5-2.bin
incbin levels/lvl_5-3.bin
incbin levels/lvl_5-4.bin
incbin levels/lvl_6-1.bin
incbin levels/lvl_6-2.bin
incbin levels/lvl_6-3.bin
incbin levels/lvl_6-4.bin
incbin levels/lvl_7-1.bin
incbin levels/lvl_7-2.bin
incbin levels/lvl_7-3.bin
incbin levels/lvl_7-4.bin
incbin levels/lvl_BowserRoom.bin
incbin levels/lvl_ClownCar.bin
;Tilesets
incbin tilesets/ts_1-1.bin
incbin tilesets/ts_1-2.bin
incbin tilesets/ts_1-3.bin
incbin tilesets/ts_1-4.bin
incbin tilesets/ts_2-1.bin
incbin tilesets/ts_2-2.bin
incbin tilesets/ts_2-3.bin
incbin tilesets/ts_2-4.bin
incbin tilesets/ts_3-1.bin
incbin tilesets/ts_3-2.bin
incbin tilesets/ts_3-3.bin
incbin tilesets/ts_3-4.bin
incbin tilesets/ts_4-1.bin
incbin tilesets/ts_4-2.bin
incbin tilesets/ts_4-3.bin
incbin tilesets/ts_4-4.bin
incbin tilesets/ts_5-1.bin
incbin tilesets/ts_5-2.bin
incbin tilesets/ts_5-3.bin
incbin tilesets/ts_5-4.bin
incbin tilesets/ts_6-1.bin
incbin tilesets/ts_6-2.bin
incbin tilesets/ts_6-3.bin
incbin tilesets/ts_6-4.bin
incbin tilesets/ts_7-1.bin
incbin tilesets/ts_7-2.bin
incbin tilesets/ts_7-3.bin
incbin tilesets/ts_7-4.bin
incbin tilesets/ts_YoshiHouse.bin
incbin tilesets/ts_Unused1.bin
incbin tilesets/ts_GhostHouseIntro.bin
incbin tilesets/ts_CastleIntro.bin

;--------------------------------------
;PRG banks

base $C000
include prg/prg036.asm
pad $E000
;48010 - 4a00f
;player mapping data

base $8000
include prg/prg037.asm
pad $A000, $00
;4a010 - 4c00f
;Code for various objects

base $8000
include prg/prg038.asm
pad $A000
;4c010 - 4e00f
;unknown/unused tileset data

base $E000
include prg/prg039.asm
pad $E000+8192
;4e010 - 5000f
;Collision code and tile behavior

include prg/prg040.asm
;50010 - 5200f
;Completely empty/unused

base $A000
include prg/prg041.asm
pad $C000
;52010 - 5400f
;Various Game Mode 0 stuff (Title, map, etc)

base $8000
include prg/prg042.asm
pad $A000
;54010 - 5600f
;8x8 Tilemaps and Overworld Data

base $8000
include prg/prg043.asm
pad $A000
;56010 - 5800f
;Bonus level tileset

base $8000
include prg/prg044.asm
pad $A000
;58010 - 5a00f
;Title Screen/Map Tilesets

base $8000
include prg/prg045.asm
pad $A000
;5a010 - 5c00f
;title screen level data

base $8000
include prg/prg046.asm
pad $A000
;5c010 - 5e00f
;Overworld Map Tile Data

base $C000
include prg/prg047.asm
pad $E000
;5e010 - 6000f
;Sprite palette mappings

base $8000
include prg/prg048.asm
pad $A000
;60010 - 6200f
;more object code

base $8000
include prg/prg049.asm
pad $A000
;62010 - 6400f
;Code for platforms and other objects

base $8000
include prg/prg050.asm
pad $A000
;64010 - 6600f
;Various objects

base $E000
include prg/prg051.asm
pad $E000+8192
;66010 - 6800f
;Movement data for various objects

base $A000
include prg/prg052.asm
pad $C000
;68010 - 6a00f
;sprite manager?

base $8000
include prg/prg053.asm
pad $A000
;6a010 - 6c00f
;Various objects

base $A000
include prg/prg054.asm
pad $C000
;6c010 - 6e00f
;Object handler

base $8000
include prg/prg055.asm
pad $A000
;6e010 - 7000f
;More code for objects

base $8000
include prg/prg056.asm
pad $A000
;70010 - 7200f
;Even more object code

base $A000
include prg/prg057.asm
pad $C000
;72010 - 7400f
;Player control code

base $8000
include prg/prg058_59.asm
pad $C000
;74010 - 7800f
;Music data and sound driver

base $8000
include prg/prg060.asm
;78010 - 7a00f
;Unknown

base $A000
include prg/prg061.asm
pad $C000
;7a010 - 7c00f
;Level handling

base $C000
include prg/prg062.asm
pad $E000
;7c010 - 7e00f
;Bank 47 clone

base $E000
include prg/prg063.asm
pad $FFFA
;7e010 - 8000f
;IRQ, game engine, etc.

;--------------------------------------
;Interrupt vectors
.dw NMIJMPOpcode
.dw Reset
.dw IRQ

;--------------------------------------
;CHR file
incbin SMW.chr

;--------------------------------------