adventure memory.s

.segment "ZEROPAGE"
  MaxNumPlayers = 1

  retraces:        .res 1
  keydown:         .res MaxNumPlayers
  keylast:         .res MaxNumPlayers

  random1:         .res 2
  random2:         .res 2

  psg_sfx_state:    .res 32 ; don't need since I changed music engines but maybe I should keep it here

  ScrollX:          .res 2
  ScrollY:          .res 2
  ScrollSpeed:      .res 2

  LevelBlockPtr: .res 2

  ; 16-bit X and Y positions:
  ; HHHHHHHH LLLLLLLL
  ; |||||||| ||||++++ - subpixels
  ; ++++++++ ++++------ actual pixels

  PlayerEnabled:    .res 1
  PlayerPXL:        .res 1
  PlayerPXH:        .res 1
  PlayerPYH:        .res 1
  PlayerPYL:        .res 1
  PlayerVXH:        .res 1
  PlayerVXL:        .res 1
  PlayerVYH:        .res 1
  PlayerVYL:        .res 1
  PlayerInvincible: .res 1
  PlayerDropLock:   .res 1
  PlayerWasRunning: .res 1 ; was the player running when they jumped?
  PlayerDir:        .res 1; 0 or 1
  PlayerDirForScroll: .res 1; 0 or 1
  PlayerJumping:    .res 1
  PlayerOnGround:   .res 1
  PlayerJumpCancelLock: .res 1
  PlayerWalkLock:   .res 1
  PlayerDownTimer:  .res 1
  PlayerLives:      .res 1
  PlayerHealth:     .res 1
  PlayerTailAttack: .res 1
  PlayerAnimationFrame: .res 1
  PlayerAbility:    .res 1
  PlayerTiles:      .res 7

  IsScrollUpdate:     .res 1 ; nonzero = yes
  ScrollUpdateChunk:  .res 1 ; current 32 pixel chunk we're updating

  MaxNumBlockUpdates = 3
  MaxNumTileUpdates  = 4
  BlockUpdateA1:   .res MaxNumBlockUpdates
  BlockUpdateA2:   .res MaxNumBlockUpdates
  BlockUpdateB1:   .res MaxNumBlockUpdates
  BlockUpdateB2:   .res MaxNumBlockUpdates
  BlockUpdateT1:   .res MaxNumBlockUpdates
  BlockUpdateT2:   .res MaxNumBlockUpdates
  BlockUpdateT3:   .res MaxNumBlockUpdates
  BlockUpdateT4:   .res MaxNumBlockUpdates

  TileUpdateA1:    .res MaxNumTileUpdates
  TileUpdateA2:    .res MaxNumTileUpdates
  TileUpdateT:     .res MaxNumTileUpdates

  ThirtyUpdateAddr: .res 2
  TempSpace = ThirtyUpdateTile       ; used by various non-game stuff
  ThirtyUpdateTile: .res 30
  ScrollLevelPointer: .res 2

  DecodeObjectType   = TempSpace+0
  DecodeObjectXY     = TempSpace+1
  DecodeObjectBlock  = TempSpace+2
  DecodeObjectWidth  = TempSpace+3
  DecodeObjectHeight = TempSpace+4

  LevelNumber:     .res 1

  OamPtr:          .res 1
  TempVal:         .res 4
  TempX: .res 1
  TempY: .res 1

  TouchTemp:       .res 1
  TouchTopA:       .res 1
  TouchTopB:       .res 1
  TouchLeftA:      .res 1
  TouchLeftB:      .res 1
  TouchWidthA:     .res 1
  TouchWidthB:     .res 1
  TouchHeightA:    .res 1
  TouchHeightB:    .res 1

  EnemyWidth:      .res 1

; level decode stuff
  LevelHeaderPointer: .res 2

  SpriteTileOffset: .res 1
  SpriteTileSlots:  .res 4     ; \ keep together
  LevelDecodePointer: .res 2   ;  \ in this order
  LevelSpritePointer: .res 2   ;  /
  LevelBackgroundColor: .res 1 ; /
  LevelDecodeXPos:    .res 1
  CollectedBitsIndex: .res 1 ; 0 or 128, for alternate or current collectedbits

.segment "BSS"
  UploadTileAddress: .res 2
  UploadTileSpace:
  StringBuffer:
  Attributes:      .res 64 ; scratch space for whatever
                   .res 64 ; more
  PRGBank: .res 1
  Coins:   .res 2  ; 2 digits, BCD
  CoinShowTimer: .res 1
  PlayerOnLadder: .res 1
  LevelUploadList: .res 20

  AttributeWriteA1: .res 1
  AttributeWriteA2: .res 4
  AttributeWriteD:  .res 8
  NeedSFX: .res 4

  MaxDelayedMetaEdits = 10
  DelayedMetaEditIndexHi: .res MaxDelayedMetaEdits
  DelayedMetaEditIndexLo: .res MaxDelayedMetaEdits
  DelayedMetaEditTime: .res MaxDelayedMetaEdits
  DelayedMetaEditType: .res MaxDelayedMetaEdits

  MaxExplosions = 5
  ExplosionPosX: .res MaxExplosions
  ExplosionPosY: .res MaxExplosions
  ExplosionSize: .res MaxExplosions
  ExplosionTime: .res MaxExplosions

  BulletLen   = 12
  ObjectLen   = 8
  BulletPX:    .res BulletLen
  BulletPXL:   .res BulletLen
  BulletPY:    .res BulletLen
  BulletPYL:   .res BulletLen
  BulletVX:    .res BulletLen
  BulletVXL:   .res BulletLen
  BulletVY:    .res BulletLen
  BulletVYL:   .res BulletLen
  BulletLife:  .res BulletLen
  BulletF:     .res BulletLen  ;flags
  ; EP--TTTT
  ;  E - enabled
  ;  P - player bullet, if 1 can damage enemies
  ;  T - type

  ObjectPXH:   .res ObjectLen
  ObjectPXL:   .res ObjectLen
  ObjectPYH:   .res ObjectLen
  ObjectPYL:   .res ObjectLen
  ObjectVXH:   .res ObjectLen
  ObjectVXL:   .res ObjectLen
  ObjectVYH:   .res ObjectLen
  ObjectVYL:   .res ObjectLen

  ObjectF1:    .res ObjectLen ; TTTTTTTD, Type, Direction
  ObjectF2:    .res ObjectLen ; ----SSSS, State
  ObjectF3:    .res ObjectLen ; --------
  ObjectF4:    .res ObjectLen ; --------
  ObjectIndexInLevel: .res ObjectLen ; object's index in level list, prevents object from being respawned until it's despawned
  ObjectTimer: .res ObjectLen ; when timer reaches 0, reset state

  LevelMap = $6000            ; lasts until $6fff

.segment "BSS2"  ; SRAM
  CollectedBits:      .res 128
  CollectedAlternate: .res 128
  ColumnBytes:        .res 128
  ScriptFlags:        .res 64
  ScriptFlagsSaved:   .res 64
  LevelLinkUp:        .res 16 ; \
  LevelLinkDown:      .res 16 ; | cleared together
  ScreenFlags:        .res 16 ; /
  ScreenFlagsDummy:   .res 1
SCREEN_BOUNDARY = 1
  LevelSize:          .res 1  ; last screen number in the level
  CurSpriteIndex:     .res 1
  LastSpriteIndex:    .res 1
  LevelMusic:         .res 1
  PlayerDrawX:        .res 1
  PlayerDrawY:        .res 1
.align 256
  FamitoneRAM:     .res 256
  SpriteListRAM:   .res 256
.code