metroid:disassembly:defines
The “defines” file declares names for constants and addresses of variables and data. It is included in other files via the .include directive, and also makes a handy RAM map.
; -------------------
; METROID source code
; -------------------
; MAIN PROGRAMMERS
; HAI YUKAMI
; ZARU SOBAJIMA
; GPZ SENGOKU
; N.SHIOTANI
; M.HOUDAI
; (C) 1986 NINTENDO
;
;Disassembled, reconstructed and commented
;by SnowBro [Kent Hansen] <kentmhan@online.no>
;Continued by Dirty McDingus (nmikstas@yahoo.com)
;Can be reassembled using Ophis.
;A work in progress.
;Last updated: 3/9/2010
;Hosted on wiki.metroidconstruction.com, with possible additions by wiki contributors.
;Metroid defines.
;-------------------------------------------[ Defines ]----------------------------------------------
.alias CodePtr $0C ;Points to address to jump to when choosing-->
; CodePtr+1 $0D ;a routine from a list of routine addresses.
;The bits of the change and status addresses represent the following joypad buttons:
;bit 7=A, bit 6=B, bit 5=SELECT, bit 4=START, bit 3=Up, bit 2=Down, bit 1=Left, bit 0=Right.
.alias Joy1Change $12 ;These addresses store any button changes-->
.alias Joy2Change $13 ;that happened since last frame(pads 1 and 2).
.alias Joy1Status $14 ;These two addresses store all buttons-->
.alias Joy2Status $15 ;currently being pressed on the two controllers.
.alias Joy1Retrig $16 ;These two addresses store any buttons that need-->
.alias Joy2Retrig $17 ;to retrigger after being held down by player.
.alias RetrigDelay1 $18 ;These two addresses are counters that control-->
.alias RetrigDelay2 $19 ;The retriggering of held down buttons.
.alias NMIStatus $1A ;0=NMI in progress. anything else, NMI not in progress.
.alias PPUDataPending $1B ;1=not PPU data pending, 1=data pending.
.alias PalDataPending $1C ;Pending palette data. Palette # = PalDataPending - 1.
.alias GameMode $1D ;0 = Game is playing, 1 = At title/password screen
.alias MainRoutine $1E ;5 = Game paused, 3 = Game engine running
.alias TitleRoutine $1F ;Stores title routine number currently running.
.alias NextRoutine $20 ;Stores next routine to jump to after WaitTimer expires.
.alias CurrentBank $23 ;0 thru 7. current memory page in lower memory block.
.alias SwitchPending $24 ;Switch memory page. Page # = SwitchPending - 1.
.alias MMCReg0Cntrl $25 ;Stores bits to be loaded into MMC1 Register 0.
.alias SwitchUpperBits $28 ;Used to store bits 3 and 4 for MMC1 register 3. Bits-->
;3 and 4 should always be 0 under normal conditions.
.alias TimerDelay $29 ;Count down from 9 to 0. Decremented every frame.
.alias Timer1 $2A ;Decremented every frame after set.
.alias Timer2 $2B ;Decremented every frame after set.
.alias Timer3 $2C ;Decremented every 10 frames after set.
.alias FrameCount $2D ;Increments every frame(overflows every 256 frames).
.alias RandomNumber1 $2E ;Random numbers used-->
.alias RandomNumber2 $2F ;throughout the game.
.alias SpareMem30 $30 ;Written to, but never accessed.
.alias GamePaused $31 ;#$00=Game running, #$01=Game paused.
.alias RoomPtr $33 ;Low byte of room pointer address.
; RoomPtr+1 $34 ;High byte of room pointer address.
.alias StructPtr $35 ;Low bute of structure pointer address.
; StructPtr+1 $36 ;High byte of structure pointer address.
.alias CartRAMWorkPtr $37 ;Low byte of pointer to current position in room RAM.
; CartRAMWorkPtr+1 $38 ;High byte of pointer to current position in room RAM.
;The CartRAMWorkPtr points to the current memory address-->
;in the room RAM that is being loaded.
.alias CartRAMPtr $39 ;Low byte of pointer to room RAM (#$00).
; CartRAMPtr+1 $3A ;High byte of pointer to room RAM (#$60 or #$64).
;Room RAM is a screen buffer where the objects that make-->
;up a room are loaded. There are two room RAM memory-->
;areas and they are the exact same size as the two name-->
;tables and attribute tables in the PPU. Once the room-->
;RAM conatins a completed room in it, the entire contents-->
;of the room RAM is loaded into the PPU.
.alias RoomPtrTable $3B ;Low byte of start of room pointer table.
; RoomPtrTable+1 $3C ;High byte of start of room pointer table.
.alias StructPtrTable $3D ;Low byte of start of structure pointer table.
; StructPtrTable+1 $3E ;High byte of structure pointer table.
.alias MacroPtr $3F ;Low byte of pointer into macro definitions.
; MacroPtr+1 $40 ;High byte of pointer into macro definitions.
.alias EnmyFrameTbl1Ptr $41 ;Low byte of pointer into address table to find enemy animations.
; EnmyFrameTbl1Ptr+1 $42 ;High byte of pointer into address table to find enemy animations.
.alias EnmyFrameTbl2Ptr $43 ;Same as above except in a second table because there are-->
; EnmyFrameTbl2Ptr+1 $44 ;too many entries to fit into one table.
.alias EnmyPlaceTblPtr $45 ;Low byte of pointer into enemy frame placement table.
; EnmyPlaceTblPtr+1 $46 ;High byte of pointer into enemy frame placement table.
.alias EnemyAnimPtr $47 ;Low byte of start of EnemyAnimIndexTbl.
; EnemyAnimPtr+1 $48 ;High byte of start of EnemyAnimIndexTbl.
.alias ScrollDir $49 ;0=Up, 1=Down, 2=Left, 3=Right.
.alias TempScrollDir $4A ;Stores ScrollDir when room is initially loaded.
.alias PageIndex $4B ;Index to object data.
;#$D0, #$E0, #$F0 = projectile indices(including bombs).
;
.alias ItemIndex $4C ;#$00 or #$08. Added to PowerUpType addresses to determine if-->
;the first or second item slot is being checked.
.alias SamusDir $4D ;0 = Right, 1 = Left.
.alias SamusDoorDir $4E ;Direction Samus passed through door.
.alias MapPosY $4F ;Current y position on world map.
.alias MapPosX $50 ;Current x position on world map.
.alias SamusScrX $51 ;Samus x position on screen.
.alias SamusScrY $52 ;Samus y position on screen.
.alias WalkSoundDelay $53
.alias IsSamus $55 ;1=Samus object being accessed, 0=not Samus.
.alias DoorStatus $56 ;0=Not in door, 1=In right door, 2=In left door, 3=Scroll up-->
;4=Scroll down, 5=Exit door, MSB set=Door entered. If value-->
;is 3 or 4, a door was entered while in a verticle shaft and-->
;the door was not centered on the screen and up or down-->
;scrolling needs to occur before scrolling to the next room.
.alias DoorScrollStatus $57 ;#$01=Entered right hand door from horizontal area.-->
;#$02=Entered left hand door from horizontal area.-->
;#$03=Entered door from verticle shaft and room needs to-->
;be centered before horizontal scrolling. #$04=Entered-->
;door from verticle shaft and room was already centered.
.alias SamusDoorData $58 ;The upper 4 bits store either 1 or 2. If 1 is stored(bit 4-->
;set), the scrolling after Samus exits the door is toggled.-->
;If 2 is stored(bit 5 set), the scrolling is set to-->
;horizontal scrolling after Samus exits the door. This-->
;happens mostly in item rooms. The lower 4 bits store Samus'-->
;action status as she enters the door. This is used to set-->
;Samus' action after she exits and keeps her looking the same.
.alias DoorDelay $59 ;Number of frames to delay when Samus entering/exiting doors.
.alias RoomNumber $5A ;Room number currently being loaded.
.alias SpritePagePos $5B ;Index into sprite RAM used to load object sprite data.
.alias SamusInLava $64 ;#$01=Samus in lava, #$00=She is not.
.alias ObjectCounter $65 ;Counts such things as object explosion time.
.alias ObjectPal $67 ;Attrib. table info for room object(#$00 thru #$03).
.alias RoomPal $68
.alias TempX $69
.alias TempY $6A
.alias ObjectCntrl $6B ;Controls object properties such as mirroring and color-->
;bits. Bit 4 controls object mirroring.
.alias DoorOnNameTable3 $6C ;The following two addresses are used to keep track of the-->
.alias DoorOnNameTable0 $6D ;doors loaded on the name tables. The information is used-->
;in the GetRoomNum routine to prevent the loading of a-->
;room behind a door when scrolling horizontally. This has-->
;the effect of stopping scrolling until Samus walks through-->
;the door. #$01=Left door on name table. #$02=right door-->
;on name table. #$03 two doors on the same name table.-->
;#$00 is possible in $6D if 2 doors are on name table 0-->
;while vertically scrolling.
.alias HealthLoChange $6E ;Amount to add/subtract from HealthLo.
.alias HealthHiChange $6F ;Amount to add/subtract from HealthHi.
.alias SamusBlink $70
.alias UpdatingProjectile $71 ;#$01=Projectile update in process. #$00=not in process.
.alias DamagePushDirection $72 ;#$00=Push Samus left when hit, #$01=Push right, #$FF=No push.
.alias InArea $74 ;#$10(or #$00)=Brinstar, #$11=Norfair, #$12=Kraid hideout,-->
;#$13=Tourian, #$14=Ridley hideout.
.alias SpareMem75 $75 ;Initialized to #$FF in AreaInit. Not used.
.alias PalToggle $76
.alias ItemRoomMusicStatus $79 ;#$00=Item room music not playing.
;#$01=Play item room music.
;#$80=Stop item room music once door scroll complete.
;#$81=Item room music already playing. Don't restart.
.alias OnFrozenEnemy $7D ;#$01=Samus standing on frozen enemy, #$00=she is not.
;--------------------------------------[ End routine specific ]--------------------------------------
.alias EndMsgWrite $7A ;0=don't write end message, 1=write end message.
.alias IsCredits $7B ;0=credits not rolling, 1=credits rolling.
.alias SpriteByteCounter $7C ;Used to indicate when Samus sprite load complete.
.alias SpritePointerIndex $7D ;Index to proper Samus sprite graphics at end game.
.alias SpriteAttribByte $7E ;#$00. Attribute byte of some sprites.
.alias ColorCntIndex $7F ;Index for finding count number for ClrChangeCounter.
.alias CreditPageNumber $80 ;Stores current page of credits(#$00 thru #$06).
.alias HideShowEndMsg $81 ;0=show end message, 1=erase end message.
.alias ClrChangeCounter $82 ;When=#$00, change end Samus sprite colors.
.alias WaveSpritePointer $83 ;Address pointer to Samus hand waving sprites in end.
.alias WaveSpriteCounter $84 ;Stores length of wave sprite data (#$10).
;----------------------------------------------------------------------------------------------------
.alias MetroidOnSamus $92 ;#$01=Metroid on Samus, #$00=Metroid not on Samus.
.alias MaxMissilePickup $93 ;Maximum missiles power-ups that can be picked up. Randomly-->
;recalculated whenever Samus goes through a door.
.alias MaxEnergyPickup $94 ;Maximum energy power-ups that can be picked up. Randomly-->
;recalculated whenever Samus goes through a door.
.alias CurrentMissilePickups $95 ;Number of missile power-ups currently collected by Samus-->
;Reset to 0 when Samus goes through a door.
.alias CurrentEnergyPickups $96 ;Number of energy power-ups currently collected by Samus-->
;Reset to 0 when Samus goes through a door.
.alias MotherBrainStatus $98 ;#$00=Mother brain not in room, #$01=Mother brain in room,-->
;#$02=Mother brain hit, #$03=Mother brain dying-->
;#$04=Mother brain dissapearing, #$05=Mother brain gone,-->
;#$06=Time bomb set, #$07=Time bomb exploded,-->
;#$08=Initialize mother brain,-->
;#$09, #$0A=Mother brain already dead.
.alias MotherBrainHits $99 ;Number of times mother brain has been hit. Dies at #$20.
.alias SpareMemB7 $B7 ;Written to in title routine and accessed by unsed routine.
.alias SpareMemB8 $B8 ;Written to in title routine and accessed by unsed routine.
.alias SpareMemBB $BB ;Written to in title routine, but never accessed.
.alias First4SlowCntr $BC ;This address holds an 8 frame delay. when the delay is up,-->
;The crosshair sprites double their speed.
.alias Second4Delay $BD ;This address holds a 32 frame delay. When the delay is-->
;up, the second set of crosshair sprites start their movement.
.alias SecondCrosshairSprites $BF ;#$01=Second crosshair sprites active in intro.
.alias FlashScreen $C0 ;#$01=Flash screen during crosshairs routine.
.alias PalDataIndex $C1
.alias ScreenFlashPalIndex $C2 ;Index to palette data to flash screen during intro.
.alias IntroStarOffset $C3 ;Contains offset into IntroStarPntr table for twinkle effect.
.alias FadeDataIndex $C4 ;Index to palette data to fade items in and out during intro.
.alias SpareMemC5 $C5 ;Written to in title routine, but never accessed.
.alias CrossDataIndex $C6 ;#$00 thru #$04. Index to find cross sprite data.
.alias DrawCross $C7 ;#$01=Draw cross on screen during crosshairs routine.
.alias SpriteLoadPending $C8 ;Set to #$00 after sprite RAM load complete.
.alias SpareMemC9 $C9 :Written to in title routine, but never accessed.
.alias SpareMemCB $CB ;Written to in title routine, but never accessed.
.alias SpareMemCC $CC ;Written to in title routine, but never accessed.
.alias SpareMemCD $CD ;Written to in title routine, but never accessed.
.alias SpareMemCE $CE ;Written to in title routine, but never accessed.
.alias SpareMemCF $CF ;Written to in title routine, but never accessed.
.alias SpareMemD0 $D0 ;Written to in title routine, but never accessed.
.alias SpareMemD1 $D1 ;Written to in title routine, but never accessed.
.alias SpareMemD2 $D2 ;Written to in title routine, but never accessed.
.alias SpareMemD3 $D3 ;Written to in title routine, but never accessed.
.alias SpareMemD7 $D7 ;Written to in title routine, but never accessed.
.alias IntroMusicRestart $D8 ;After all title routines run twice, restarts intro music.
.alias ABStatus $F0 ;Stores A and B button status in AreaInit. Never used.
; $F7
.alias MirrorCntrl $FA ;If bit 3 is set, PPU set to horizontal mirroring-->
;else if bit 3 is clear, PPU is set to vertical-->
;mirroring. No other bits seem to matter.
.alias ScrollY $FC ;Y value loaded into scroll register.
.alias ScrollX $FD ;X value loaded into scroll register.
.alias PPUCNT1ZP $FE ;Data byte to be loaded into PPU control register 1.
.alias PPUCNT0ZP $FF ;Data byte to be loaded into PPU control register 0.
.alias HealthLo $0106 ;Lower health digit in upper 4 bits.
.alias HealthHi $0107 ;Upper health digit in lower 4 bits-->
;# of full tanks in upper 4 bits.
.alias MiniBossKillDelay $0108 ;Initiate power up music and delay after Kraid/Ridley killed.
.alias PowerUpDelay $0109 ;Initiate power up music and delay after item pickup.
.alias EndTimerLo $010A ;Lower byte of end game escape timer.
.alias EndTimerHi $010B ;Upper byte of end game escape timer.
.alias MissileToggle $010E ;0=fire bullets, 1=fire missiles.
;-----------------------------------------[ Sprite RAM ]---------------------------------------------
.alias Sprite00RAM $0200 ;$0200 thru $02FF
.alias Sprite01RAM $0204 ;
.alias Sprite02RAM $0208 ;
.alias Sprite03RAM $020C ;
.alias Sprite04RAM $0210 ;
.alias Sprite05RAM $0214 ;
.alias Sprite06RAM $0218 ;
.alias Sprite07RAM $021C ;
.alias Sprite08RAM $0220 ;
.alias Sprite09RAM $0224 ;
.alias Sprite0ARAM $0228 ;
.alias Sprite0BRAM $022C ;
.alias Sprite0CRAM $0230 ;
.alias Sprite0DRAM $0234 ;
.alias Sprite0ERAM $0238 ;
.alias Sprite0FRAM $023C ;
.alias Sprite10RAM $0240 ;
.alias Sprite11RAM $0244 ;
.alias Sprite12RAM $0248 ;
.alias Sprite13RAM $024C ;
.alias Sprite14RAM $0250 ;
.alias Sprite15RAM $0254 ;
.alias Sprite16RAM $0258 ;
.alias Sprite17RAM $025C ;
.alias Sprite18RAM $0260 ;
.alias Sprite19RAM $0264 ;
.alias Sprite1ARAM $0268 ;These 256 bytes of memory are loaded into sprite
.alias Sprite1BRAM $026C ;RAM using the DMA sprite register $4014.
.alias Sprite1CRAM $0270 ;
.alias Sprite1DRAM $0274 ;
.alias Sprite1ERAM $0278 ;
.alias Sprite1FRAM $027C ;
.alias Sprite20RAM $0280 ;
.alias Sprite21RAM $0284 ;
.alias Sprite22RAM $0288 ;
.alias Sprite23RAM $028C ;
.alias Sprite24RAM $0290 ;
.alias Sprite25RAM $0294 ;
.alias Sprite26RAM $0298 ;
.alias Sprite27RAM $029C ;
.alias Sprite28RAM $02A0 ;
.alias Sprite29RAM $02A4 ;
.alias Sprite2ARAM $02A8 ;
.alias Sprite2BRAM $02AC ;
.alias Sprite2CRAM $02B0 ;
.alias Sprite2DRAM $02B4 ;
.alias Sprite2ERAM $02B8 ;
.alias Sprite2FRAM $02BC ;
.alias Sprite30RAM $02C0 ;
.alias Sprite31RAM $02C4 ;
.alias Sprite32RAM $02C8 ;
.alias Sprite33RAM $02CC ;
.alias Sprite34RAM $02D0 ;
.alias Sprite35RAM $02D4 ;
.alias Sprite36RAM $02D8 ;
.alias Sprite37RAM $02DC ;
.alias Sprite38RAM $02E0 ;
.alias Sprite39RAM $02E4 ;
.alias Sprite3ARAM $02E8 ;
.alias Sprite3BRAM $02EC ;
.alias Sprite3CRAM $02F0 ;
.alias Sprite3DRAM $02F4 ;
.alias Sprite3ERAM $02F8 ;
.alias Sprite3FRAM $02FC ;
;-----------------------------------------[ Object RAM ]---------------------------------------------
;Samus RAM.
.alias ObjAction $0300 ;Status of object. 0=object slot not in use.
.alias ObjRadY $0301 ;Distance in pixels from object center to top or bottom.
.alias ObjRadX $0302 ;Distance in pixels from object center to left or right side.
.alias AnimFrame $0303 ;*2 = Index into FramePtrTable for current animation.
.alias AnimDelay $0304 ;Number of frames to delay between animation frames.
.alias AnimResetIndex $0305 ;Restart index-1 when AnimIndex finished with last frame.
.alias AnimIndex $0306 ;Current index into ObjectAnimIndexTbl.
.alias SamusOnElevator $0307 ;0=Samus not on elevator, 1=Samus on elevator.
.alias ObjVertSpeed $0308 ;MSB set=moving up(#$FA max), MSB clear=moving down(#$05 max).
.alias ObjHorzSpeed $0309 ;MSB set=moving lft(#$FE max), MSB clear=moving rt(#$01 max).
.alias SamusHit $030A ;Samus hit by enemy.
.alias ObjectOnScreen $030B ;1=Object on screen, 0=Object beyond screen boundaries.
.alias ObjectHi $030C ;0=Object on nametable 0, 1=Object on nametable 3.
.alias ObjectY $030D ;Object y position in room(not actual screen position).
.alias ObjectX $030E ;Object x position in room(not actual screen position).
.alias SamusJumpDsplcmnt $030F ;Number of pixels vertically displaced from jump point.
.alias VertCntrNonLinear $0310 ;Verticle movement counter. Exponential change in speed.
.alias HorzCntrNonLinear $0311 ;Horizontal movement counter. Exponential change in speed.
.alias VertCntrLinear $0312 ;Verticle movement counter. Linear change in speed.
.alias HorzCntrLinear $0313 ;Horizontal movement counter. Linear change in speed.
.alias SamusGravity $0314 ;Value used in calculating vertical acceleration on Samus.
.alias SamusHorzAccel $0315 ;Value used in calculating horizontal acceleration on Samus.
.alias SamusHorzSpeedMax $0316 ;Used to calc maximum horizontal speed Samus can reach.
;Elevator RAM.
.alias ElevatorStatus $0320 ;#$01=Elevator present, #$00=Elevator not present.
;Power-up item RAM.
.alias PowerUpAnimFrame $0343 ;*2 = Index into FramePtrTable for current animation.
.alias PowerUpHi $034C ;Name table power up item is located on.
.alias PowerUpY $034D ;Room Y coord of power up item.
.alias PowerUpX $034E ;Room x coord of power up item.
;-------------------------------------[ Title routine specific ]-------------------------------------
.alias PasswordCursor $0320 ;Password write position (#$00 - #$17).
.alias InputRow $0321 ;Password character select row (#$00 - #$04).
.alias InputColumn $0322 ;Password character select column (#$00 - #$0C).
.alias PasswordStat00 $0324 ;Does not appear to have a function.
.alias StartContinue $0325 ;0=START selected, 1=CONTINUE selected.
;------------------------------------------[ Enemy RAM ]---------------------------------------------
.alias EnYRoomPos $0400 ;Enemy y position in room.(not actual screen position).
.alias EnXRoomPos $0401 ;Enemy x position in room.(not actual screen position).
; $0402
; $0403
; $0404
; $0405
.alias EnCounter $0406 ;Counts such things as explosion time.
; $0407
; $0408
.alias EnDelay $0409 ;Delay counter between enemy actions.
; $040A
.alias EnHitPoints $040B ;Current hit points of enemy.
; $040C
; $040D
; $040E
.alias EnSpecialAttribs $040F ;Bit 7 set=tough version of enemy, bit 6 set=mini boss.
;----------------------------------------------------------------------------------------------------
;Tile respawning
.alias TileRoutine $0500
.alias TileAnimFrame $0503
.alias TileAnimDelay $0504
.alias TileAnimIndex $0506
.alias TileDelay $0507
.alias TileWRAMLo $0508
.alias TileWRAMHi $0509
.alias TileType $050A
;---------------------------------[ Sound engine memory addresses ]----------------------------------
.alias Cntrl0Data $EA ;Temp storage for data of first address sound channel
.alias VolumeCntrlAddress $EB ;Desired address number in VolumeCntrlAdressTbl
.alias MusicSQ1PeriodLow $0600 ;Loaded into SQ1Cntrl2 when playing music
.alias MusicSQ1PeriodHigh $0601 ;Loaded into SQ1Cntrl3 when playing music
.alias SFXPaused $0602 ;0=Game not paused, 1=Game paused
.alias PauseSFXStatus $0603 ;Plays PauseMusic SFX if less than #$12
.alias MusicSQ2PeriodLow $0604 ;Loaded into SQ2Cntrl2 when playing music
.alias MusicSQ2PeriodHigh $0605 ;Loaded into SQ2Cntrl3 when playing music
.alias WriteMultiChannelData $0607 ;1=data needs to be written, 0=no data to write
.alias MusicTriPeriodLow $0608 ;Loaded into TriangleCntrl2 when playing music
.alias MisicTriPeriodHigh $0609 ;Loaded into TriangleCntrl3 when playing music
.alias TrianglePeriodLow $0610 ;Stores triangle SFX period low for processing
.alias TrianglePeriodHigh $0611 ;Stroes triangle SFX period high for processing
.alias TriangleChangeLow $0612 ;Stores triangle SFX change in period low
.alias TriangleChangeHigh $0613 ;Stores triangle SFX change in period high
.alias TriangleLowPercentage $0614 ;Stores percent to change period low by each frame
.alias TriangleHighPercentage $0615 ;Stores percent to change period high by each frame
.alias PercentDifference $0616 ;if=5, percent=1/5(20%), if=0A, percent=1/10(10%), etc
.alias DivideData $0617 ;Used in DivideTrianglePeriods
.alias HasBeamSFX $061F ;Bit 7 set=has long beam, bit 0 set=has ice beam
;The following addresses are loaded into $0640 thru $0643 when those
;addresses decrement to zero. These addresses do not decrement.
.alias SQ1FrameCountInit $0620 ;Holds number of frames to play sq1 channel data
.alias SQ2FrameCountInit $0621 ;Holds number of frames to play sq2 channel data
.alias TriangleFrameCountInit $0622 ;Holds number of frames to play triangle channel data
.alias NoiseFrameCountInit $0623 ;Holds number of frames to play noise channel data
.alias SQ1RepeatCounter $0624 ;Number of times to repeat SQ1 music loop
.alias SQ2RepeatCounter $0625 ;Number of times to repeat SQ2 music loop
.alias TriangleRepeatCounter $0626 ;Number of times to repeat Triangle music loop
.alias NoiseRepeatCounter $0627 ;Number of times to repeat Noise music loop
.alias SQ1DutyEnvelope $0628 ;Loaded into SQ1Cntrl0 when playing music
.alias SQ2DutyEnvelope $0629 ;Loaded into SQ2Cntrl0 when playing music
.alias TriLinearCount $062A ;disable\enable counter, linear count length
.alias NoteLengthTblOffset $062B ;Stores the offset to find proper note length table
.alias MusicRepeat $062C ;0=Music does not repeat, Nonzero=music repeats
.alias TriangleCounterCntrl $062D ;$F0=disable length cntr, $00=long note, $0F=short note
.alias SQ1VolumeCntrl $062E ;Entry number in VolumeCntrlAdressTbl for SQ1
.alias SQ2VolumeCntrl $062F ;Entry number in VolumeCntrlAdressTbl for SQ2
.alias SQ1LowBaseByte $0630 ;low byte of base address for SQ1 music data
.alias SQ1HighBaseByte $0631 ;High byte of base address for SQ1 music data
.alias SQ2LowBaseByte $0632 ;low byte of base address for SQ2 music data
.alias SQ2HighBaseByte $0633 ;High byte of base address for SQ2 music data
.alias TriangleLowBaseByte $0634 ;low byte of base address for Triangle music data
.alias TriangleHighBaseByte $0635 ;High byte of base address for Triangle music data
.alias NoiseLowBaseByte $0636 ;low byte of base address for Noise music data
.alias NoiseHighBaseByte $0637 ;High byte of base address for Noise music data
.alias SQ1MusicIndexIndex $0638 ;Index to find sQ1 sound data index. Base=$630,$631
.alias SQ2MusicIndexIndex $0639 ;Index to find SQ2 sound data index. Base=$632,$633
.alias TriangleMusicIndexIndex $063A ;Index to find Tri sound data index. Base=$634,$635
.alias NoiseMusicIndexIndex $063B ;Index to find Noise sound data index. Base=$636,$637
.alias SQ1LoopIndex $063C ;SQ1 Loop start index
.alias SQ2LoopIndex $063D ;SQ2 loop start index
.alias TriangleLoopIndex $063E ;Triangle loop start index
.alias NoiseLoopIndex $063F ;Noise loop start index
.alias SQ1MusicFrameCount $0640 ;Decrements every sq1 frame. When 0, load new data
.alias SQ2MusicFrameCount $0641 ;Decrements every sq2 frame. when 0, load new data
.alias TriangleMusicFrameCount $0642 ;Decrements every triangle frame. When 0, load new data
.alias NoiseMusicFrameCount $0643 ;Decrements every noise frame. When 0, load new data
.alias MusicSQ1Sweep $0648 ;Value is loaded into SQ1Cntrl1 when playing music
.alias MusicSQ2Sweep $0649 ;Value is loaded into SQ2Cntrl1 when playing music
.alias TriangleSweep $064A ;Loaded into TriangleCntrl1(not used)
.alias ThisSoundChannel $064B ;Least sig. byte of current channel(00,04,08 or 0C)
.alias CurrentSFXFlags $064D ;Stores flags of SFX currently being processed.
.alias NoiseInUse $0652 ;Noise in use? (Not used)
.alias SQ1InUse $0653 ;1=SQ1 channel being used by SFX, 0=not in use
.alias SQ2InUse $0654 ;2=SQ2 channel being used by SFX, 0=not in use
.alias TriangleInUse $0655 ;3=Triangle channel being used by SFX, 0=not in use
.alias ChannelType $065C ;Stores channel type being processed(0,1,2,3 or 4)
.alias CurrentMusicRepeat $065D ;Stores flags of music to repeat
.alias MusicInitIndex $065E ;index for loading $62B thru $637(base=$BD31).
.alias NoiseSFXLength $0660 ;Stores number of frames to play Noise SFX
.alias SQ1SFXLength $0661 ;Stores number of frames to play SQ1 SFX
.alias SQ2SFXLngth $0662 ;Stores number of frames to play SQ2 SFX
.alias TriangleSFXLength $0663 ;Stores number of frames to play Triangle SFX
.alias MultiSFXLength $0664 ;Stores number of frames to play Multi SFX
.alias ThisNoiseFrame $0665 ;Stores current frame number for noise SFX
.alias ThisSQ1Frame $0666 ;Stores current frame number for sq1 SFX
.alias ThisSQ2Frame $0667 ;Stores current frame number for SQ2 SFX
.alias ThisTriangleFrame $0668 ;Stores current frame number for triangle SFX
.alias ThisMultiFrame $0669 ;Stores current frame number for Multi SFX
.alias SQ1VolumeIndex $066A ;Stores index to SQ1 volume data in a volume data tbl
.alias SQ2VolumeIndex $066B ;Stores index to SQ2 volume data in a volume data tbl
.alias SQ1VolumeData $066C ;stores duty cycle and this frame volume data of SQ1
.alias SQ2VolumeData $066D ;Stores duty cycle and this frame volume data of SQ2
.alias NoiseSFXData $0670 ;Stores additional info for Noise SFX
.alias SQ1SFXData $0671 ;Stores additional info for SQ1 SFX
.alias SQ2SFXData $0672 ;Stores additional info for SQ2 SFX
.alias TriangleSFXData $0673 ;Stores additional info for triangle SFX
.alias MultiSFXData $0674 ;Stores additional info for Multi SFX
.alias SQ1SQ2SFXData $0675 ;Stores additional info for SQ1 and SQ2 SFX
.alias ScrewAttackSFXData $0678 ;Contains extra data for screw attack SFX
.alias SQ1SFXPeriodLow $0679 ;Period low data for processing multi SFX routines
.alias NoiseSFXFlag $0680 ;Initialization flags for noise SFX
.alias SQ1SFXFlag $0681 ;Initialization flags for SQ1 SFX
.alias SQ2SFXFlag $0682 ;Initialization flags for SQ2 SFX(never used)
.alias TriangleSFXFlag $0683 ;Initialization flags for triangle SFX
.alias MultiSFXFlag $0684 ;Initialization Flags for SFX and some music
.alias MusicInitFlag $0685 ;Music init flags
.alias NoiseContSFX $0688 ;Continuation flags for noise SFX
.alias SQ1ContSFX $0689 ;Continuation flags for SQ1 SFX
.alias SQ2ContSFX $068A ;Continuation flags for SQ2 SFX (never used)
.alias TriangleContSFX $068B ;Continuation flags for Triangle SFX
.alias MultiContSFX $068C ;Continuation flags for Multi SFX
.alias CurrentMusic $068D ;Stores the flag of the current music being played
;----------------------------------------------------------------------------------------------------
.alias PowerUpType $0748 ;Holds the byte describing what power-up is on name table.
.alias PowerUpYCoord $0749 ;Y coordinate of the power-up.
.alias PowerUpXCoord $074A ;X coordiante of the power-up
.alias PowerUpNameTable $074B ;#$00 if on name table 0, #$01 if on name table 3.
.alias PowerUpAnimIndex $074F ;Entry into FramePtrTable for item animation.
.alias PowerUpBType $0750 ;Holds the description byte of a second power-up(if any).
.alias PowerUpBYCoord $0751 ;Y coordinate of second power-up.
.alias PowerUpBXCoord $0752 ;X coordiante of second power-up.
.alias PowerUpBNameTable $0753 ;#$00 if on name table 0, #$01 if on name table 3.
.alias PowerUpBAnimIndex $0757 ;Entry into FramePtrTable for item animation.
.alias TileSize $0780 ;4 MSBs=Y size of tile to erase.4 LSBs=X size of tile to erase.
.alias TileInfo0 $0781 ;
.alias TileInfo1 $0782 ;
.alias TileInfo2 $0783 ;Tile patterns to replace blasted tiles.
.alias TileInfo3 $0784 ;
.alias TileInfo4 $0785 ;
.alias TileInfo5 $0786 ;
.alias PPUStrIndex $07A0 ;# of bytes of data in PPUDataString. #$4F bytes max.
;$07A1 thru $07F0 contain a byte string of data to be written the the PPU. The first
;byte in the string is the upper address byte of the starting point in the PPU to write
;the data. The second bye is the lower address byte. The third byte is a configuration
;byte. if the MSB of this byte is set, the PPU is incremented by 32 after each byte write
;(vertical write). It the MSB is cleared, the PPU is incremented by 1 after each write
;(horizontal write). If bit 6 is set, the next data byte is repeated multiple times during
;successive PPU writes. The number of times the next byte is repeated is based on bits
;0-5 of the configuration byte. Those bytes are a repitition counter. Any following bytes
;are the actual data bytes to be written to the PPU. #$00 separates the data chunks.
.alias PPUDataString $07A1 ;Thru $07F0. String of data bytes to be written to PPU.
;-------------------------------------[ Hardware defines ]-------------------------------------------
.alias PPUControl0 $2000 ;
.alias PPUControl1 $2001 ;
.alias PPUStatus $2002 ;
.alias SPRAddress $2003 ;PPU hardware control registers.
.alias SPRIOReg $2004 ;
.alias PPUScroll $2005 ;
.alias PPUAddress $2006 ;
.alias PPUIOReg $2007 ;
.alias SQ1Cntrl0 $4000 ;
.alias SQ1Cntrl1 $4001 ;SQ1 hardware control registers.
.alias SQ1Cntrl2 $4002 ;
.alias SQ1Cntrl3 $4003 ;
.alias SQ2Cntrl0 $4004 ;
.alias SQ2Cntrl1 $4005 ;SQ2 hardware control registers.
.alias SQ2Cntrl2 $4006 ;
.alias SQ2Cntrl3 $4007 ;
.alias TriangleCntrl0 $4008 ;
.alias TriangleCntrl1 $4009 ;Triangle hardware control registers.
.alias TriangleCntrl2 $400A ;
.alias TriangleCntrl3 $400B ;
.alias NoiseCntrl0 $400C ;
.alias NoiseCntrl1 $400D ;Noise hardware control registers.
.alias NoiseCntrl2 $400E ;
.alias NoiseCntrl3 $400F ;
.alias DMCCntrl0 $4010 ;
.alias DMCCntrl1 $4011 ;DMC hardware control registers.
.alias DMCCntrl2 $4012 ;
.alias DMCCntrl3 $4013 ;
.alias SPRDMAReg $4014 ;Sprite RAM DMA register.
.alias APUCommonCntrl0 $4015 ;APU common control 1 register.
.alias CPUJoyPad1 $4016 ;Joypad1 register.
.alias APUCommonCntrl1 $4017 ;Joypad2/APU common control 2 register.
;----------------------------------------------------------------------------------------------------
.alias RoomRAMA $6000 ;Thru $63FF. Used to load room before it is put into the PPU.
.alias RoomRAMB $6400 ;Thru $67FF. Used to load room before it is put into the PPU.
.alias EndingType $6872 ;1=worst ending, 5=best ending
.alias SamusDataIndex $6875 ;Index for Samus saved game stats(not used). #$00, #$10, #$20.
.alias SamusStat00 $6876 ;Unused memory address for storing Samus info.
.alias TankCount $6877 ;Number of energy tanks.
.alias SamusGear $6878 ;Stores power-up items Samus has.
.alias MissileCount $6879 ;Stores current number of missiles.
.alias MaxMissiles $687A ;Maximum amount of missiles Samus can carry
.alias KraidStatueStatus $687B ;bit 0 set, the statues blink, -->
.alias RidleyStatueStatus $687C ;bit 7 set, statues are up.
.alias SamusAge $687D ;Low byte of Samus' age.
; SamusAge+1 $687E ;Mid byte of Samus' age.
; SamusAge+2 $687F ;High byte of Samus' age.
.alias SamusStat01 $6880 ;Unused memory address for storing Samus info.
.alias SamusStat02 $6881 ;SamusStat02 and 03 keep track of how many times Samus has-->
.alias SamusStat03 $6882 ;died, but this info is never accessed anywhere in the game.
.alias AtEnding $6883 ;1=End scenes playing, 0=Not at ending.
.alias EraseGame $6884 ;MSB set=erase selected saved game(not used in password carts).
.alias DataSlot $6885 ;#$00 thru #$02. Stored Samus data to load. Apparently a save-->
;game system was going to be used instead of a password routine.-->
;The code that uses this memory address is never accessed in-->
;the actual game. It looks like three player slots were going-->
;to be used to store game data(like Zelda).
.alias NumberOfUniqueItems $6886 ;Counts number of power-ups and red doors-->
;opened. Does not count different beams-->
;picked up (ice, long, wave). increments by 2.
.alias UniqueItemHistory $6887 ;Thru $68FC. History of Unique items collected.-->
.alias EndItemHistory $68FC ;Two bytes per item.
.alias KraidRidleyPresent $6987 ;#$01=Kraid/Ridley present, #$00=Kraid/Ridley not present.
.alias PasswordByte00 $6988 ;Stores status of items 0 thru 7.
.alias PasswordByte01 $6989 ;Stores status of items 8 thru 15.
.alias PasswordByte02 $698A ;Stores status of items 16 thru 23.
.alias PasswordByte03 $698B ;Stores status of items 24 thru 31.
.alias PasswordByte04 $698C ;Stores status of items 32 thru 39.
.alias PasswordByte05 $698D ;Stores status of items 40 thru 47.
.alias PasswordByte06 $698E ;Stores status of items 48 thru 55.
.alias PasswordByte07 $698F ;Stores status of items 56 thru 58(bits 0 thru 2).
.alias PasswordByte08 $6990 ;start location(bits 0 thru 5), Samus suit status (bit 7).
.alias PasswordByte09 $6991 ;Stores SamusGear.
.alias PasswordByte0A $6992 ;Stores MissileCount.
.alias PasswordByte0B $6993 ;Stores SamusAge.
.alias PasswordByte0C $6994 ;Stores SamusAge+1.
.alias PasswordByte0D $6995 ;Stores SamusAge+2.
.alias PasswordByte0E $6996 ;Stores no data.
.alias PasswordByte0F $6997 ;Stores Statue statuses(bits 4 thu 7).
.alias PasswordByte10 $6998 ;Stores value RandomNumber1.
.alias PasswordByte11 $6999 ;Stores sum of $6988 thru $6998(Checksum).
;Upper two bits of PasswordChar bytes will always be 00.
.alias PasswordChar00 $699A ;
.alias PasswordChar01 $699B ;
.alias PasswordChar02 $699C ;
.alias PasswordChar03 $699D ;
.alias PasswordChar04 $699E ;
.alias PasswordChar05 $699F ;
.alias PasswordChar06 $69A0 ;
.alias PasswordChar07 $69A1 ;
.alias PasswordChar08 $69A2 ;
.alias PasswordChar09 $69A3 ;
.alias PasswordChar0A $69A4 ;These 18 memory addresses store the 18 characters-->
.alias PasswordChar0B $69A5 ;of the password to be displayed on the screen.
.alias PasswordChar0C $69A6 ;
.alias PasswordChar0D $69A7 ;
.alias PasswordChar0E $69A8 ;
.alias PasswordChar0F $69A9 ;
.alias PasswordChar10 $69AA ;
.alias PasswordChar11 $69AB ;
.alias PasswordChar12 $69AC ;
.alias PasswordChar13 $69AD ;
.alias PasswordChar14 $69AE ;
.alias PasswordChar15 $69AF ;
.alias PasswordChar16 $69B0 ;
.alias PasswordChar17 $69B1 ;
.alias NARPASSWORD $69B2 ;0 = invinsible Samus not active, 1 = invinsible Samus active.
.alias JustInBailey $69B3 ;0 = Samus has suit, 1 = Samus is without suit.
.alias ItmeHistory $69B4 ;Thru $6A73. Unique item history saved game data (not used).
;---------------------------------------[ More enemy RAM ]-------------------------------------------
.alias Enstatus $6AF4 ;Keeps track of enemy statuses. #$00=Enemy slot not in use,-->
;#$04=Enemy frozen.
.alias EnRadY $6AF5 ;Distance in pixels from middle of enemy to top or botom.
.alias EnRadX $6AF6 ;Distance in pixels from middle of enemy to left or right.
.alias EnAnimFrame $6AF7 ;Index into enemy animation frame data.
.alias EnAnimDelay $6AF8 ;Number of frames to delay between animation frames.
.alias EnResetAnimIndex $6AF9 ;Index to beginning of animation sequence.
.alias EnAnimIndex $6AFA ;Index to current animation.
.alias EnNameTable $6AFB ;#$00=Enemy on name table 0, #$01=Enemy on name table 3.
; $6AFC
; $6AFD
; $6AFE
; $6AFF
; $6B00
; $6B01
.alias EnDataIndex $6B02 ;Contains index into enemy data tables.
; $6B03
;-------------------------------------[ Intro sprite defines ]---------------------------------------
.alias IntroStarSprite00 $6E00 ;thru $6E9F
.alias IntroStarSprite01 $6E04 ;
.alias IntroStarSprite02 $6E08 ;
.alias IntroStarSprite03 $6E0C ;
.alias IntroStarSprite04 $6E10 ;
.alias IntroStarSprite05 $6E14 ;
.alias IntroStarSprite06 $6E18 ;
.alias IntroStarSprite07 $6E1C ;
.alias IntroStarSprite08 $6E20 ;
.alias IntroStarSprite09 $6E24 ;
.alias IntroStarSprite0A $6E28 ;
.alias IntroStarSprite0B $6E2C ;
.alias IntroStarSprite0C $6E30 ;
.alias IntroStarSprite0D $6E34 ;
.alias IntroStarSprite0E $6E38 ;
.alias IntroStarSprite0F $6E3C ;
.alias IntroStarSprite10 $6E40 ;
.alias IntroStarSprite11 $6E44 ;
.alias IntroStarSprite12 $6E48 ;
.alias IntroStarSprite13 $6E4C ;
.alias IntroStarSprite14 $6E50 ;RAM used for storing intro star sprite data.
.alias IntroStarSprite15 $6E54 ;
.alias IntroStarSprite16 $6E58 ;
.alias IntroStarSprite17 $6E5C ;
.alias IntroStarSprite18 $6E60 ;
.alias IntroStarSprite19 $6E64 ;
.alias IntroStarSprite1A $6E68 ;
.alias IntroStarSprite1B $6E6C ;
.alias IntroStarSprite1C $6E70 ;
.alias IntroStarSprite1D $6E74 ;
.alias IntroStarSprite1E $6E78 ;
.alias IntroStarSprite1F $6E7C ;
.alias IntroStarSprite20 $6E80 ;
.alias IntroStarSprite21 $6E84 ;
.alias IntroStarSprite22 $6E88 ;
.alias IntroStarSprite23 $6E8C ;
.alias IntroStarSprite24 $6E90 ;
.alias IntroStarSprite25 $6E94 ;
.alias IntroStarSprite26 $6E98 ;
.alias IntroStarSprite27 $6E9C ;
;Intro sprite 0 and sparkle sprite.
.alias IntroSpr0YCoord $6EA0 ;Loaded into byte 0 of sprite RAM(Y position).
.alias IntroSpr0PattTbl $6EA1 ;Loaded into byte 1 of sprite RAM(Pattern table index).
.alias IntroSpr0Cntrl $6EA2 ;Loaded into byte 2 of sprite RAM(Control byte).
.alias IntroSpr0XCoord $6EA3 ;Loaded into byte 3 of sprite RAM(X position).
.alias IntroSpr0Index $6EA4 ;Index to next sparkle sprite data byte.
.alias IntroSpr0NextCntr $6EA5 ;Decrements each frame. When 0, load new sparkle sprite data.
.alias SparkleSpr0YChange $6EA6 ;Sparkle sprite y coordinate change.
.alias IntroSpr0XChange $6EA6 ;Intro sprite x total movement distance.
.alias SparkleSpr0XChange $6EA7 ;Sparkle sprite x coordinate change.
.alias IntroSpr0YChange $6EA7 ;Intro sprite y total movement distance.
.alias IntroSpr0ChngCntr $6EA8 ;decrements each frame from #$20. At 0, change sparkle sprite.
.alias IntroSpr0ByteType $6EA9 ;#$00 or #$01. When #$01, next sparkle data byte uses all 8-->
;bits for x coord change. if #$00, next data byte contains-->
;4 bits for x coord change and 4 bits for y coord change.
.alias IntroSpr0Complete $6EAA ;#$01=sprite has completed its task, #$00 if not complete.
.alias IntroSpr0SpareB $6EAB ;Not used.
.alias IntroSpr0XRun $6EAC ;x displacement of sprite movement(run).
.alias IntroSpr0YRise $6EAD ;y displacement of sprite movement(rise).
.alias IntroSpr0XDir $6EAE ;MSB set=decrease sprite x pos, else increase sprite x pos.
.alias IntroSpr0YDir $6EAF ;MSB set=decrease sprite y pos, else increase sprite y pos.
;Intro sprite 1 and sparkle sprite.
.alias IntroSpr1YCoord $6EB0 ;Loaded into byte 0 of sprite RAM(Y position).
.alias IntroSpr1PattTbl $6EB1 ;Loaded into byte 1 of sprite RAM(Pattern table index).
.alias IntroSpr1Cntrl $6EB2 ;Loaded into byte 2 of sprite RAM(Control byte).
.alias IntroSpr1XCoord $6EB3 ;Loaded into byte 3 of sprite RAM(X position).
.alias IntroSpr1Index $6EB4 ;Index to next sparkle sprite data byte.
.alias IntroSpr1NextCntr $6EB5 ;Decrements each frame. When 0, load new sparkle sprite data.
.alias SparkleSpr1YChange $6EB6 ;Sparkle sprite y coordinate change.
.alias IntroSpr1XChange $6EB6 ;Intro sprite x total movement distance.
.alias SparkleSpr1XChange $6EB7 ;Sparkle sprite x coordinate change.
.alias IntroSpr1YChange $6EB7 ;Intro sprite y total movement distance.
.alias IntroSpr1ChngCntr $6EB8 ;decrements each frame from #$20. At 0, change sparkle sprite.
.alias IntroSpr1ByteType $6EB9 ;#$00 or #$01. When #$01, next sparkle data byte uses all 8-->
;bits for x coord change. if #$00, next data byte contains-->
;4 bits for x coord change and 4 bits for y coord change.
.alias IntroSpr1Complete $6EBA ;#$01=sprite has completed its task, #$00 if not complete.
.alias IntroSpr1SpareB $6EBB ;Not used.
.alias IntroSpr1XRun $6EBC ;x displacement of sprite movement(run).
.alias IntroSpr1YRise $6EBD ;y displacement of sprite movement(rise).
.alias IntroSpr1XDir $6EBE ;MSB set=decrease sprite x pos, else increase sprite x pos.
.alias IntroSpr1YDir $6EBF ;MSB set=decrease sprite y pos, else increase sprite y pos.
;Intro sprite 2.
.alias IntroSpr2YCoord $6EC0 ;Loaded into byte 0 of sprite RAM(Y position).
.alias IntroSpr2PattTbl $6EC1 ;Loaded into byte 1 of sprite RAM(Pattern table index).
.alias IntroSpr2Cntrl $6EC2 ;Loaded into byte 2 of sprite RAM(Control byte).
.alias IntroSpr2XCoord $6EC3 ;Loaded into byte 3 of sprite RAM(X position).
.alias IntroSpr2Spare5 $6EC4 ;Not used.
.alias IntroSpr2Spare6 $6EC5 ;Not used.
.alias IntroSpr2XChange $6EC6 ;Intro sprite x total movement distance.
.alias IntroSpr2YChange $6EC7 ;Intro sprite y total movement distance.
.alias IntroSpr2Spare8 $6EC8 ;Not used.
.alias IntroSpr2Spare9 $6EC9 ;Not used.
.alias IntroSpr2Complete $6ECA ;#$01=sprite has completed its task, #$00 if not complete.
.alias IntroSpr2SpareB $6ECB ;Not used.
.alias IntroSpr2XRun $6ECC ;x displacement of sprite movement(run).
.alias IntroSpr2YRise $6ECD ;y displacement of sprite movement(rise).
.alias IntroSpr2XDir $6ECE ;MSB set=decrease sprite x pos, else increase sprite x pos.
.alias IntroSpr2YDir $6ECF ;MSB set=decrease sprite y pos, else increase sprite y pos.
;Intro sprite 3.
.alias IntroSpr3YCoord $6ED0 ;Loaded into byte 0 of sprite RAM(Y position).
.alias IntroSpr3PattTbl $6ED1 ;Loaded into byte 1 of sprite RAM(Pattern table index).
.alias IntroSpr3Cntrl $6ED2 ;Loaded into byte 2 of sprite RAM(Control byte).
.alias IntroSpr3XCoord $6ED3 ;Loaded into byte 3 of sprite RAM(X position).
.alias IntroSpr3Spare5 $6ED4 ;Not used.
.alias IntroSpr3Spare6 $6ED5 ;Not used.
.alias IntroSpr3XChange $6ED6 ;Intro sprite x total movement distance.
.alias IntroSpr3YChange $6ED7 ;Intro sprite y total movement distance.
.alias IntroSpr3Spare8 $6ED8 ;Not used.
.alias IntroSpr3Spare9 $6ED9 ;Not used.
.alias IntroSpr3Complete $6EDA ;#$01=sprite has completed its task, #$00 if not complete.
.alias IntroSpr3SpareB $6EDB ;Not used.
.alias IntroSpr3XRun $6EDC ;x displacement of sprite movement(run).
.alias IntroSpr3YRise $6EDD ;y displacement of sprite movement(rise).
.alias IntroSpr3XDir $6EDE ;MSB set=decrease sprite x pos, else increase sprite x pos.
.alias IntroSpr3YDir $6EDF ;MSB set=decrease sprite y pos, else increase sprite y pos.
;Intro sprite 4.
.alias IntroSpr4YCoord $6EE0 ;Loaded into byte 0 of sprite RAM(Y position).
.alias IntroSpr4PattTbl $6EE1 ;Loaded into byte 1 of sprite RAM(Pattern table index).
.alias IntroSpr4Cntrl $6EE2 ;Loaded into byte 2 of sprite RAM(Control byte).
.alias IntroSpr4XCoord $6EE3 ;Loaded into byte 3 of sprite RAM(X position).
.alias IntroSpr4Spare5 $6EE4 ;Not used.
.alias IntroSpr4Spare6 $6EE5 ;Not used.
.alias IntroSpr4XChange $6EE6 ;Intro sprite x total movement distance.
.alias IntroSpr4YChange $6EE7 ;Intro sprite y total movement distance.
.alias IntroSpr4Spare8 $6EE8 ;Not used.
.alias IntroSpr4Spare9 $6EE9 ;Not used.
.alias IntroSpr4Complete $6EEA ;#$01=sprite has completed its task, #$00 if not complete.
.alias IntroSpr4SpareB $6EEB ;Not used.
.alias IntroSpr4XRun $6EEC ;x displacement of sprite movement(run).
.alias IntroSpr4YRise $6EED ;y displacement of sprite movement(rise).
.alias IntroSpr4XDir $6EEE ;MSB set=decrease sprite x pos, else increase sprite x pos.
.alias IntroSpr4YDir $6EEF ;MSB set=decrease sprite y pos, else increase sprite y pos.
;Intro sprite 5.
.alias IntroSpr5YCoord $6EF0 ;Loaded into byte 0 of sprite RAM(Y position).
.alias IntroSpr5PattTbl $6EF1 ;Loaded into byte 1 of sprite RAM(Pattern table index).
.alias IntroSpr5Cntrl $6EF2 ;Loaded into byte 2 of sprite RAM(Control byte).
.alias IntroSpr5XCoord $6EF3 ;Loaded into byte 3 of sprite RAM(X position).
.alias IntroSpr5Spare5 $6EF4 ;Not used.
.alias IntroSpr5Spare6 $6EF5 ;Not used.
.alias IntroSpr5XChange $6EF6 ;Intro sprite x total movement distance.
.alias IntroSpr5YChange $6EF7 ;Intro sprite y total movement distance.
.alias IntroSpr5Spare8 $6EF8 ;Not used.
.alias IntroSpr5Spare9 $6EF9 ;Not used.
.alias IntroSpr5Complete $6EFA ;#$01=sprite has completed its task, #$00 if not complete.
.alias IntroSpr5SpareB $6EFB ;Not used.
.alias IntroSpr5XRun $6EFC ;x displacement of sprite movement(run).
.alias IntroSpr5YRise $6EFD ;y displacement of sprite movement(rise).
.alias IntroSpr5XDir $6EFE ;MSB set=decrease sprite x pos, else increase sprite x pos.
.alias IntroSpr5YDir $6EFF ;MSB set=decrease sprite y pos, else increase sprite y pos.
;Intro sprite 6.
.alias IntroSpr6YCoord $6F00 ;Loaded into byte 0 of sprite RAM(Y position).
.alias IntroSpr6PattTbl $6F01 ;Loaded into byte 1 of sprite RAM(Pattern table index).
.alias IntroSpr6Cntrl $6F02 ;Loaded into byte 2 of sprite RAM(Control byte).
.alias IntroSpr6XCoord $6F03 ;Loaded into byte 3 of sprite RAM(X position).
.alias IntroSpr6Spare5 $6F04 ;Not used.
.alias IntroSpr6Spare6 $6F05 ;Not used.
.alias IntroSpr6XChange $6F06 ;Intro sprite x total movement distance.
.alias IntroSpr6YChange $6F07 ;Intro sprite y total movement distance.
.alias IntroSpr6Spare8 $6F08 ;Not used.
.alias IntroSpr6Spare9 $6F09 ;Not used.
.alias IntroSpr6Complete $6F0A ;#$01=sprite has completed its task, #$00 if not complete.
.alias IntroSpr6SpareB $6F0B ;Not used.
.alias IntroSpr6XRun $6F0C ;x displacement of sprite movement(run).
.alias IntroSpr6YRise $6F0D ;y displacement of sprite movement(rise).
.alias IntroSpr6XDir $6F0E ;MSB set=decrease sprite x pos, else increase sprite x pos.
.alias IntroSpr6YDir $6F0F ;MSB set=decrease sprite y pos, else increase sprite y pos.
;Intro sprite 7.
.alias IntroSpr7YCoord $6F10 ;Loaded into byte 0 of sprite RAM(Y position).
.alias IntroSpr7PattTbl $6F11 ;Loaded into byte 1 of sprite RAM(Pattern table index).
.alias IntroSpr7Cntrl $6F12 ;Loaded into byte 2 of sprite RAM(Control byte).
.alias IntroSpr7XCoord $6F13 ;Loaded into byte 3 of sprite RAM(X position).
.alias IntroSpr7Spare5 $6F14 ;Not used.
.alias IntroSpr7Spare6 $6F15 ;Not used.
.alias IntroSpr7XChange $6F16 ;Intro sprite x total movement distance.
.alias IntroSpr7YChange $6F17 ;Intro sprite y total movement distance.
.alias IntroSpr7Spare8 $6F18 ;Not used.
.alias IntroSpr7Spare9 $6F19 ;Not used.
.alias IntroSpr7Complete $6F1A ;#$01=sprite has completed its task, #$00 if not complete.
.alias IntroSpr7SpareB $6F1B ;Not used.
.alias IntroSpr7XRun $6F1C ;x displacement of sprite movement(run).
.alias IntroSpr7YRise $6F1D ;y displacement of sprite movement(rise).
.alias IntroSpr7XDir $6F1E ;MSB set=decrease sprite x pos, else increase sprite x pos.
.alias IntroSpr7YDir $6F1F ;MSB set=decrease sprite y pos, else increase sprite y pos.
;----------------------------------------------------------------------------------------------------
.alias WorldMapRAM $7000 ;Thru $73FF. The map is 1Kb in size (1024 bytes).
.alias SamusData $77FE ;Thru $782D. Samus saved game data (not used).
.alias MMC1Reg0 $8000 ;Writing to any of these addresses or any-->
.alias MMC1Reg1 $A000 ;address in between will write configuration-->
.alias MMC1Reg2 $C000 ;bits to the MMC chip.
.alias MMC1Reg3 $E000 ;
;------------------------------------------[ Misc. defines ]-----------------------------------------
.alias modeTitle 1
;Bitmask defs used for SamusGear.
.alias gr_BOMBS %00000001
.alias gr_HIGHJUMP %00000010
.alias gr_LONGBEAM %00000100
.alias gr_SCREWATTACK %00001000
.alias gr_MARUMARI %00010000
.alias gr_VARIA %00100000
.alias gr_WAVEBEAM %01000000
.alias gr_ICEBEAM %10000000
;Samus action handlers.
.alias sa_Stand 0
.alias sa_Run 1 ;Also run and jump.
.alias sa_Jump 2
.alias sa_Roll 3
.alias sa_PntUp 4
.alias sa_Door 5
.alias sa_PntJump 6
.alias sa_Dead 7
.alias sa_Dead2 8
.alias sa_Elevator 9
.alias sa_FadeIn0 20
.alias sa_FadeIn1 21
.alias sa_FadeIn2 22
.alias sa_FadeIn3 23
.alias sa_FadeIn4 24
.alias sa_Begin 255
;Animations
.alias an_SamusRun $00
.alias an_SamusFront $04
.alias an_SamusStand $07
.alias an_SamusJump $0C
.alias an_SamusSalto $0E
.alias an_SamusRunJump $13
.alias an_SamusRoll $16
.alias an_Bullet $1B
.alias an_SamusFireJump $20
.alias an_SamusFireRun $22
.alias an_SamusPntUp $27
.alias an_Explode $32
.alias an_SamusJumpPntUp $35
.alias an_SamusRunPntUp $37
.alias an_WaveBeam $7D
.alias an_BombTick $7F
.alias an_BombExplode $82
.alias an_MissileLeft $8B
.alias an_MissileRight $8D
.alias an_MissileExplode $91
;Weapon action handlers.
.alias wa_RegularBeam 1
.alias wa_WaveBeam 2
.alias wa_IceBeam 3
.alias wa_BulletExplode 4
.alias wa_LayBomb 8
.alias wa_BombCount 9
.alias wa_BombExplode 10
.alias wa_Missile 11
metroid/disassembly/defines.txt · Last modified: 2015/06/07 12:13 by snarfblam
