ROM map

Address	Length	Type	Name	Description	Arguments and return values/Data type	Return Type
$80:8002	0xAC	Code		Initialize various SNES hardware registers	None	RTS
$80:80AE	0xBE	Code	main	Main entry point of the game. Clears RAM and does various other initialization	None	N/A
$80:816C	0x0D	Code	vblank	VBLANK interrupt handler	None	RTI
$80:8179	0x80	Code	vblankHandler	Default (and only) VBLANK handler	None	RTL
$80:81F9	0x10	Data	directionForDpad	The direction for each d-pad input	direction x2[0x10]
$80:8209	0x01	Code		Various interrupt handlers. Does nothing.	None	RTI
$80:820A	0x3C	Code	deleteAllEntities	Deletes all entities (except the current entity) and VBLANK and VBLANK end listeners	None	RTL
$80:8246	0x02	Code		Unused infinite loop	None	N/A
$80:8248	0x16	Code	createPlayerEntity	Creates an entity for a player	Y+A = [pointer32] Entity pointer Returns A = [unit16] Entity ID	RTL
$80:825E	0x80	Code	createEntity	Creates an entity	Y+A = [pointer32] Entity pointer Returns A = [uint16] Entity ID	RTL
$80:82DE	0x30	Data	entityDPs	Direct page address for each entity	pointer16[0x18]
$80:830E	0x30	Data	entityStacks	Starting stack address for each entity	pointer16[0x18]
$80:833E	0x15	Code		Entities return here when completed. Deletes the current entity and resumes the entity loop.	None	N/A
$80:8353	0x45	Code	waitFrames	Pauses the current entity for the given number of frames	A = [uint16] Number of frames	N/A
$80:8398	0x16	Code		Decrements the number of frames left to wait on each entity	None	RTS
$80:83AE	0x27	Code	runOnVBLANK	Creates a VBLANK listener	Y+A = [pointer32] Listener subroutine Returns X = [uint16] Listener ID	RTL
$80:83D5	0x0B	Code	stopRunningOnVBLANK	Deletes the given VBLANK listener	A = [uint16] Listener ID	RTL
$80:83E0	0x38	Code	runVBLANKListeners	Runs all the current VBLANK listeners	None	RTS
$80:8418	0x25	Code	runOnVBLANKEnd	Creates a VBLANK end listener	Y+A = [pointer32] Listener subroutine Returns X = [uint16] Listener ID	RTL
$80:843D	0x38	Code	runVBLANKEndListeners	Runs all the current VBLANK end listeners	None	RTS
$80:8475	0x0B	Code	setCollisionHandler	Sets the sprite collision handler for the current entity	Y+A = [pointer32] Handler subroutine	RTL
$80:8480	0x31	Code	runCollisionHandler	Runs the sprite collision handler for the given entity	X = [uint16] Entity ID Y = [sprite type] Type of sprite collided with	RTL
$80:84B1	0x65	Code		Main game loop	None	N/A
$80:8516	0xB9	Code	playLevel	Plays the current level	None	RTL
$80:891A	0x19	Code	fadeIn	Fades the screen in from black	None	RTL
$80:8933	0x14	Code	fadeOut	Fades the screen out to black	None	RTL
$80:9C52	0x20	Code	fadeInAsync	Fades the screen in from black asynchronously	None	RTS
$80:9C72	0x1A	Code	fadeOutAsync	Fades the screen out to black asynchronously	None	RTS
$80:9D39	0x22	Code	getRandomByte	Gets a random value in the range 0-255	Returns A = [uint16] Random value	RTL
$80:9D6A	0x3C	Code	playerForCharacter	Gets the player that is using the given character	A = [character x2] Character Returns X = [uint16 x2] Player	RTL
$80:AE97	0x95	Code	bgSolidToMonsters	Gets whether the background is solid to monsters at the given position	X = [int16] X position Y = [int16] Y position Returns C = [boolean] Whether it's solid	RTL
$80:B123	0x6C	Code	findTarget	Finds the closest sprite for a monster to target	X = [int16] X position Y = [int16] Y position Returns A = [uint16] distance to target Returns X = [pointer16] target sprite	RTL
$80:B22A	0x35	Code	getDirectionToTarget	Gets the direction from the given sprite to the given target sprite	X = [pointer16] Sprite Y = [pointer16] Target sprite Returns A = [direction] Direction to target	RTL
$80:B2A5	0x5D	Code	findPlayerInRange	Finds the closest player within the given distance on a single axis	A = [uint16] Maximum single-axis distance X = [int16] X position Y = [int16] Y position Returns A = [uint16] direction to player Returns X = [uint16] single-axis distance to player Returns Y = [pointer16] player sprite	RTL
$80:B3F1	0x31	Code	snapToTarget	Sets the given sprite's X and/or Y positions to that of the target if they are within 1 pixel	X = [pointer16] Sprite Y = [pointer16] Target sprite	RTL
$80:BE0C	0x2F	Code	createSprite	Creates a sprite	Returns A/Y = [pointer16] Sprite pointer	RTL
$80:BE41	0x3C	Code	deleteSprite	Deletes the given sprite	A = [pointer16] Sprite pointer	RTL
$80:BF67	0x61	Code	touchingSpriteSolidToMonsters	Gets whether the given position is touching a sprite that is solid to monsters	A = [pointer16] current sprite X = [int16] X position Y = [int16] Y position Returns C = [boolean] Whether it's solid	RTL
$80:C7D9	0x40	Code	givePoints	Awards points to the given character	N = [boolean] give to Julie A = [uint16 bcd] number of points	RTL
$80:CC3B	0x11	Code	playSound	Plays the given sound effect	A = [uint16] Sound effect ID	RTL
$81:8000	0x24	Code	createMonsterSprite	Creates a sprite for a monster		RTL
$81:8191	0x11	Code	removeOneShotEntity	Marks the given one-shot entity as no longer needing to be spawned	A = [uint16] One-shot entity index	RTL
$81:832C	0x1D	Code	showAnimation	Shows the given animation on the sprite stored in $08	A = [pointer16] Animation	RTL
$81:83A3	0x23	Code	showMonsterDeath	Show monster death animation and play sound	A = [pointer16] Animation X = [uint16] Do nothing if not equal to 0xF5F5 Y = [uint16] Sprite tile data bank	RTL
$81:83C6	0x3E	Code	bubbleMonster	Call from a monster's sprite collision handler to cause it to be bubbled	Returns C = [boolean] Collision handler return value	RTL
$81:847E	0x58	Code	freezeMonster	Call from a monster's sprite collision handler to cause it to be frozen	Returns C = [boolean] Collision handler return value	RTL
$81:8506	0x3C	Code	showDamageAnimation	Call from a monster's sprite collision handler to show a damage animation	Returns C = [boolean] Collision handler return value	RTL
$81:8561	0x2A	Data	weaponDamage	The base damage dealt by each weapon	uint16[21]