Wario Land: Super Mario Land 3/RAM map

The following article is a RAM map for Wario Land: Super Mario Land 3.

RAM	Purpose
A000-A017	save game slot 1. The first 4 bytes (header) always equals to 0x19643957. When player enters the pipe, bytes in A004-A017 are copied to A804-A817.
A020-A037	save game slot 1 (copy)
A040-A057	save game slot 2
A060-A077	save game slot 2 (copy)
A080-A097	save game slot 3
A0A0-A0B7	save game slot 3 (copy)
A0C0	save game 1 checksum
A0C1	save game 2 checksum
A0C2	save game 3 checksum
A0C3	last pipe entered by wario at save game selection screen
A0C4	demo mode record index (00 - 06)
A100-A1FF	related to active actors on screen like A200-A2FF
A200-A2FF	active actors on the screen (enemies, bonuses, throwed coins, ...). each actor take 32 bytes. there is a maximum of 8 actors. enemies with throwable items (eg : boomerang) need a second actor to manage the item. actors slots that are not used anymore (status = 00) are reused when need of a new actor. only actors that have status = 02 are drawn. +00 : status 00 : inactive 01 : out of screen (not visible) but still active 02 : visible +01-02 : x position +03-04 : y position +0A : y position (relative to screen) +0B : x position (relative to screen) +0C-0D : sprite data pointer +0E : orientation (01 : right - 02 : left) +0F : animation counter +10 : tile index in VRAM +12-13 : enemy function pointer
A375	writing something here terminate level (player is teleported to bonus screen)
A376	indicate if level exit (skull) is open (00 : closed, 01 : rising up, 02 : open)
A600-A6??	trigger sound effects and music
A79C	current map 02 : kitchen island 04 : rice beach 06 : mt. teapot 0A : stove canyon 0E : parsely woods 0C : syrup castle 10 : ss tea cup 12 : sherbet land
A79E	wario position on current world map. there is a unique value for each course.
A79F	wario position on kitchen island 00 : rice beach 01 : mt. teapot 02 : stove canyon 03 : parsely woods 04 : ss tea cup 05 : sherbet land 06 : syrup castle 07 : bridge to sherbet land
A7A4	world map timer (player, flags, water)
A7D9	wario X position on map
A7DE	wario Y position on map
A7E5	wario animation status on map (eg : hidden, going left, going right, ...)
A7E6	wario animation direction on map E0 : up EE : down FE : left F0 : right FF : no move
A7E7	wario animation timer countdown on map
A7E8	world map timer (navigation arrows)
A804	current course id
A805-A807	total player money
A808	hearts
A809	lives
A80A	wario status 00 : small 01 : normal 02 : bull 03 : eagle 04 : dragon
A80B	rice beach completion. each bit indicate if a specific level of the map have been completed total number of bits used can be different for each world. last bit generally indicate if world have been completed (a flag is then show on map)
A80C	mt. teapot completion
A80D	numbers of levels completed (shown on pipe at file selection screen)
A80E-A80F	treasures collected (1 bit per treasure, since there is 15 treasures one bit is unused)
A810	stove canyon completion
A811	ss tea cup completion
A812	parsely woods completion
A813	sherbet land completion
A814	syrup castle completion
A815	indicate if level check point (skull) has been activated (00 : inactive, 01 : active). to use with A816.
A816	this value is overwritten everytime a level check point is activated. value seems to be unique and different for each level.
A817	indicate if game have been completed at least once (pipe at file selection screen will blink)
A8C4	control level transition 01 : show level title 02 : warp player to start of level 03 : normal gameplay 0A : warp to last door used (if no door entered, crashes). to use with A98E-A98F.
A8C6	indicate if demo mode is enabled
A8C7	indicate if debug mode is enabled
A900-A901	level scroll y
A902-A903	level scroll x
A905	game internal timer
A908	if non zero, freeze wario and time. set to 1 by the game while pause is enabled.
A90F	wario animation frame (when walking, swimming, ...)
A911-A912	player position y
A913-A914	player position x
A915	player animation frame (walking, swimming etc...)
A916	player horizontal or vertical flip, invert palette or half visible (bit 4-7)
A917	player blinking eyes timer (reset to zero if player make any move)
A93A	screen shaking countdown timer
A94B	wario invicibility countdown timer
A964-A965	remaining level time
A97A-A97B	level coins collected
A98E-A98F	last door entered. Each door in the game has a unique ID.
A998	wario flying countdown timer
A9A7	set to 1 right before save state is updated, and cleared right after. Probably used by the game to detect possible shutdown during saving state (which might have corrupted save).
A9A8	if non zero, freeze all actors. set to 1 by the game while pause is enabled.
A9AB	level animation mask. Internal timer (A905) is ANDed with that mask. If it's equal to zero, level animation counter (AC88) is incremented. This allow to control level animation speed (eg : lava).
A9E3	indicate if (!) block is active. There is two types of (!) blocks. 00 : disabled 01 : (!) block A enabled 10 : (!) block B enabled
AA0A	flame thrower countdown timer
AB00-ABFF	animated tile data constantly copied to VRAM (to 9200-9230). For each of the 4 tiles, there is 4 frames. Used for animated stuff like water, fire, piranha flowers, ...
AC88	level animation counter (sliding platform, lava, water, ...). Always between 0-3.
ACE0-ACFF	indicate scrolling bounds for each 32 16x16 sections of a level. 0 = no bounds, 1 = right, 2 = left, 3 = left and right.
AD00-AEFF	this array maps level 16x16 blocks to hardware 8x8 tiles. there is 128 blocks in total, each defined by the 4 indexes of 8x8 tiles.
AF00-AFFF	8x8 visible sprites for actors (4 bytes for each). wario seems to be always the first. +00 : x position +01 : y position +02 : sprite index +03 : h/v flip / palette
B000-BFFF	array of actor indexes for each of the 256 x 32 level blocks. each actor index is 4 bits.
C000-DFFF	all indexes of 16x16 blocks (for current level) are decompressed here. level is 256 x 32 blocks. bits 0-6 is the block index (between 0 and 127). bit 7 (msb) indicate if there is an actor at that block (see B000-BFFF).
C03A	(coin mini game only) indicate which round is active 00 : 1st 01 : 2nd 02 : 3rd
C0F3-C0F4	(coin mini game only) indicate what is in the left/right buckets. 00 : money bag 01 : 10 ton weight
FF82	indicate if vblank interrupt handler has just ended