Adventures of Lolo 3/RAM map

The following article is a RAM map for Adventures of Lolo 3.

Foreword

The role of certain memory addresses varies and depends on whether one is in the main game or is on other screens such as the world map, training levels, etc.

RAM During Gameplay

This is memory when in the main game (i.e. solving puzzles)

RAM Address	Function	Details
$0000	PPU Control Clone
$0001	PPU Mask Clone
$0006	PPU Mask Alternate Clone
$0007	Vblank Flag	Will be 0 when waiting for vblank, non-zero when in vblank
$0008-$0009	Buttons Being Held	Global
$000a-$000b	Buttons Being Pressed	Global
$0015	Misc/Scratch memory
$0016	〃
$0017	〃
$0018	〃
$0019	〃
$001a	〃
$001b	〃
$001c	〃
$001d	〃	Generally for backing up A register
$001e	〃	Generally for backing up X register
$001f	〃	Generally for backing up Y register
$0020 - $0021	Pointer used by music engine
$0022	Misc/Scratch memory	Used by the music engine
$0023	〃	Used during controller reads
$0025	PPU Queue End Index	Used when writing things to the PPU
$0026	PPU Read Queue Current Index	〃
$0027	PPU Write Queue Current Index	〃
$0028	PPU Queue Current Index Before Writing	〃
$002b	Global Frame Counter	Is incremented every NMI
$002c	Misc/Scratch memory
$002d	〃
$0049	Controller Buttons Being Held (Gameplay only)	Buttons that constantly repeat actions when held (D-pad)
$004a	Controller Buttons Being Pressed (Gameplay only)	Buttons that trigger upon press and require a release/re-press to trigger again
$004c	Misc/Scratch memory for interacting with objects	Relates to the object's X position
$004d	Misc/Scratch memory for interacting with objects	Relates to the object's Y position
$004e	Power Heart Blink Animation flag	When the next heart yields a power, will indicate which hearts should blink. Alternates between columns every frame.
$0051	Level's Room ID	Acts as a lookup index for the room among all the rooms in the game. (Will be a value of 0-109)
$0052	Character/Misc Flags	Bitwise flags %---1---- Set if ally is captured / Clear if both characters active %----1--- Set if rainbow bridge cutscene viewed / Clear otherwise %-----1-- Set if rainbow bridge cutscene playing / Clear otherwise %-------1 Set if controlling Lala / Clear if controlling Lolo
$0053	Scripted Button Timer	If giving up in a training level, it's possible to have the game show the solution. This is a timer between scripted button presses
$0054	Scripted Button Current Index	Index for the pointer of scripted button presses
$0055 - $0056	Scripted Button Pointer	Pointer to scripted button press data
$0057	Magic Shot Quantity
$0058	Available Power (Slot 1)	Will be 0: None 1: Arrow 2: Bridge 3: Hammer
$0059	Available Power (Slot 2)	〃
$005a	Available Power (Slot 3)	〃
$005b	Hearts Needed for Power (Slot 1)
$005c	Hearts Needed for Power (Slot 2)
$005d	Hearts Needed for Power (Slot 3)
$005e	Treasure Chest X Position
$005f	Treasure Chest Y Position
$0060	Treasure Chest has Been Taken flag
$0061	Level Frame Timer	Unlike the global frame timer, this starts counting once the level actually starts (i.e. Lolo has moved at least once)
$0062	Lolo Has Not Moved flag	Acts as pause until Lolo makes a move. Will be 1 if Lolo hasn't moved or 0 if he has
$0063	Level Timer Paused flag	Acts as a freeze flag for most enemies/objects in the level. Will be 1 if active (i.e. no enemies/objects will move) or 0 if inactive (i.e. enemies/objects will move). Gets set to 0 once Lolo makes his first move.
$0064	Lolo is Frozen flag	Gets set when entering the line of sight of a Medusa/Don Medusa
$0065	Lolo State index	Will be 0: Standard 1: Playing death animation 2: Giving up the level
$0066	Egg is in Water flag
$0067	Lolo Riding Egg in Water Enemy index	Will be a value between $00-$1f if true, signifying which enemy is being ridden Will be $ff if false
$0068	Lolo Transitioning to/from egg in water	Will be 0 for false Will be between $01-$10 for getting on an egg and count down until fully on the egg Will be between $81-$90 for getting off an egg and count down until back on land
$0069	Next Heart will Contain Power flag	Will be $ff if true Non-negative value if false. If non-negative and not zero, will count down to zero and turn off heart flashing after a power is collected.
$006a - $0089	Misc Enemy/Object Memory (slot 1)	Role varies by enemy/object
$008a - $00a9	Misc Enemy/Object Memory (slot 2)	〃
$00aa - $00c9	Misc Enemy/Object Memory (slot 2)	〃
$00ca	Lolo Slow X Speed Value	Normally $80. When in sand gets toggled between $80 and $00
$00cb	Lolo X Position	Pixel value for where Lolo's sprite is
$00cc	Lolo Slow Y Speed Value
$00 cd	Lolo Y Position	Pixel value for where Lolo's sprite is
$00ce	Lolo's Occupying X Position	Which square Lolo is occupying on the grid. Lolo moves in increments of $08(8) and this memory aligns with 00cb
$00cf	Lolo's Occupying Y Position	Same as Occupying X square. Aligns with 00 cd
$00d0	Lolo Moving Direction	Will be: 0 = up, 1 = right, 2 = down, 3 = left
$00d1	Lolo Facing Direction	〃
$00d2	Lolo Walk Animation Timer
$00d4	Rocky Push Lolo Direction	$ff if false. If Lolo's being pushed by a Rocky enemy then $00 for up, $02 for down (they only push vertically)
$00d5	Lolo Death Animation Timer 1
$00d6	Lolo Death Animation Timer 2
$00da	Magic Shot Move Direction
$00db	Magic Shot X Position
$00dc	Magic Shot Y Position
$00dd - $00de	Magic Hit Enemy Indexes	Temp/scratch memory for magic shots potentially hitting an enemy. Magic shots are divided into two halves and both halves must hit the same enemy in order for it to be egged
$00df	Decode Level Iterator Index	Used when decompressing room data
$00e1	Crossed Breaking Bridge X Position	When Lolo goes across breaking bridges
$00e2	Crossed Breaking Bridge Y Position	〃
$00ec	Room Liquid Animation Frame	For animating water/lava palettes in rooms
$00ed	Room Liquid Animation Timer	〃
$00ee	Room Liquid Type	0 = water, 1 = lava
$00ef	Use Bridge Power On Lava Count	How many bridges are currently on lava? (only applies to bridge powers Lolo used and not regular bridge tiles)
$00f0 - $00f2	Bridges on Lava X/Y Coordinates
$00f3 - $00f5	Bridges on Lava Countdown Timers
$00f6 - $00f8	Bridges on Lava Countdown States	0 = Fully disappeared, 1 = About to disappear, 2 = Active
$00f9	Heart Frames in the Room
$00fa	Heart Frames Collected	If 00fa = 00f9 then the chest opens, etc.
$00fa	Heart Frames Collected	If 00fa = 00f9 then the chest opens, etc.
$0100-$01ff
$014d	Current Overworld ID
$014f	Current Level ID
$0150-$0159	Cleared Level Flags	All of these will be set to $11 at the start of the game indicating the first room of the level. These are nibble-based, so one byte covers two levels. Nibble values typically range from $1-$5 or $1-$a depending on how many rooms the level has. Other nibble values: $0 = Special (typically some special room at end of level), $e = Level is exploding, $f = Level is cleared
$015a	Current PRG Bank
$01c3	Number of Warp Holes (alternate respawn points) in a level	Can be 0-8
$01c4-$01cb	Warp Holes Coordinates
$0400-$04ff
$0400-$04ff	Sprite/OAM Memory
$0600-$06ff
$0600-$06ef	Decompressed Room Data	16x15 Individual tiles of the room
$06f0-$06ff	Decompressed Room Temp/Scratch	When decompressing the room, stores whatever tiles were in the previous row.
$0700-$07ff
$0700	Enemy/Object Iteration Index	Used when updating all enemies/objects. Will be a value of $00-$1f
$0701-$0720	Enemy/Object IDs	The lowest 2 bytes signify direction moved/faced. 0: Up, 1: Right, 2: Down, 3: Left Valid Values $80: Leeper, $84: Rocky, $88: Alma, $8c: Gol, $90: Don Medusa, $94: Medusa, $98: Skull, $9c: Snakey, $a0: Moby, $a4: Gol Fireball, $a8: Medusa Shot, $ac: Don Medusa Shot, $b0: Emerald, $b4: Enemy destroyed explosion
$0721-$0740	Enemy/Object Statuses	Role by Value: 0-2: Varies by enemy, 3: Is egged, 4: Is egged (cracking), 5: Is egged in the water, 6-8: Is sinking in water, 9: Is egged flying off screen, 10: Is off-screen waiting to respawn, 11: Is respawning square
$0741-$0760	Enemy/Object X Positions	Pixel value of where enemy/object is
$0761-$0780	Enemy/Object Y Positions	〃
$0781-$07a0	Enemy/Object Occupying X Positions	Which square is enemy/object occupying? Relates to display position and is in increments of 8.
$07a1-$07c0	Enemy/Object Occupying Y Positions	〃

RAM During Overworld

Address values here may be repeated from those during gameplay. If so, the the function of memory also changes.

RAM Address	Function	Details
$0079	Lolo's X Position (Overworld)
$007A	Lala's X Position (Overworld)
$0081	Lolo's Y Position (Overworld)
$0082	Lala's Y Position (Overworld)
$008A	Lolo's Sprite Frame (Overworld)
$008B	Lala's Sprite Frame (Overworld)