$0000/5#workPointer#workspace for various pointers, very, very transient
$0010#frameCount#updated every frame, even lag frames
$0011#tickCount#updated every time a tick completes
$0012#engineState#4X = mapper change, 8X = game tick completed?
$0014#level#
$0015#fadePauseState#4X = fade out, 8X = fade in, X1 = boss pause (stuff animates but does not update/move)
$001C#screenLeftSubPixel#
$001D#screenLeftTile#
$001E#screenTopSubPixel#
$001F#screenTopTile#
$003E#spritePositionX?#
$003F#spritePositionY?#
$0040#spriteSizeX?#
$0041#spriteSizeY?#
$0042#workXBox#
$0043#workYBox#
$0044#workSpriteAttrib?#
$0046#workType#
$0047#workState#
$0048#workXFrac#
$0049#workXInt#
$004A#workYFrac#
$004B#workYInt#
$004C#workXSpeed#
$004D#workYSpeed#
$004E#workTile#
$004F#workV1#
$0050#workV2#
$0051#workV3#
$0052#workV4#
$0053#workV5#
$0053#workHP#
$0079#dir#
$007A/1#workPointerB#another transient work pointer
$007C/11#collisionArray#player/shot -> enemy collision
$008F#jumpDelay#delay until tank jumps, also how many more frames to stay squashed after a landing
$0090#hoverState#0 = undeployed, 1 = deployed but not active, 2 = active
$0091#hoverDelay#hover transition frames
$0092#hoverFuel#drained 1 per frame
$0094#upCounter#how far "up" the tank is pointed
$0098#inWater#
$0099#powerupStateA#
$00B7#fadeType#what to do after fading
$00B9#shotType?#tank shot type?
$00BA#weaponSelect#selected special weapon
$00BC#tankPointA?#something to do with direction
$00BD#tankPointB?#another thing to do with direction
$00BE#tankPointC?#shot direction?
$00C1#inTank#non-zero if in the tank
$00C3#gunPower#
$00D9#onIce#
$00DB#prgSwitch#
$00DD#lives#
$00E1#soundQueue#
$00F3#frameInputMask#
$00F5#frameInputMask2#
$00F7#frameInput#
$00FC#ppuX#
$00FD#ppuY#
$00FE#ppuS#
$00FF#ppuC#
$0350#respawnType#
$0370/7#soundQueueArray#
$0378#respawnTankXFrac#
$0379#respawnTankXInt#
$037A#respawnTankYFrac#
$037B#respawnTankYInt#
$037D#respawnTankLevel#
$037C#respawnTankState#
$037E#continues?#
$03D0#tankXFrac#
$03D1#tankXInt#
$03D2#tankYFrac#
$03D3#tankYInt#
$03D4#tankLevel#
$03D5#tankState#
$03D6#tankHatchCounter#
$03F5#respawnXFrac#
$03F6#respawnXInt#
$03F7#respawnYFrac#
$03F8#respawnYInt#
$03F9#respawnLevel#
$03FA#respawnInTank#
$03FB#bossState#
$03FC#powerupStateB#
$0400#objBase#
$0400#objType#
$0401#objState#
$0402#objXFrac#
$0403#objXInt#
$0404#objYFrac#
$0405#objYInt#
$0406#objXSpeed#
$0407#objYSpeed#
$0408#objTile#
$0409#objV1#
$040A#objV2#
$040B#objV3#
$040C#objV4#
$040D#objV5#
$040D#objHP#
$0500/FF#tiles#
$06F0#homingMissiles#
$06F1#thunderBreaks#
$06F2#multiMissiles#
$06F3#demoIntroMode?#