The Little Mermaid/RAM map

The following article is a RAM map for The Little Mermaid.

RAM	Function	Details
0x0016	Controller 1 input
0x0017	Controller 2 input
0x0030	Ariel's current action	0x00 = Still/moving 0x01 = Turning 0x03 = Shooting bubble/throwing object 0x07 = Taking damage/dying 0x09 = Entering stage
0x003A	Object being held	# of object slot
0x0092	Global timer
0X00B0	Lives
0X00B1	Health
0x00B4	Bubble power
0x00B5	Bubble range
0X00E4 - 0X00E7	RNG Seed	Fibonacci LFSR (Function 0xC250)
0x00EF	Current object slot	Used in Function 0x8000 (Page 6)
0x0100 - 0x01FF	Stack
0x0300 - 0x030F	Object Phase	0x80 = slot occupied 0x0F = phase within script
0x0310 - 0x031F	Object ID	Determines object's behavior
0x0320 - 0x032F	y-position subpixel
0x0330 - 0x033F	x-position low byte (pixel)
0x0340 - 0x034F	x-position high byte
0x0350 - 0x035F	y-position subpixel
0x0360 - 0x036F	y-position low byte (pixel)
0x0370 - 0x037F	y-position high byte
0x0380 - 0x038F	x-speed low byte (subpixels/frame)
0x0390 - 0x039F	x-speed high byte (pixels/frame)
0x03A0 - 0x03AF	y-speed low byte (subpixels/frame)
0x03B0 - 0x03BF	y-speed high byte (pixels/frame)
0x03C0 - 0x03CF	Attributes	0x40 = damage hitbox active 0x20 = able to be bubbled
0x03D0 - 0x03DF	Direction of movement	Speed values above are scalar. They are used in conjunction with this value to determine velocity. 0x08 = up 0x04 = down 0x02 = right 0x01 = left
0x03F0 - 0x03FF	HP
0x0400 - 0x040F	Sprite orientation	0x40 = Horizontal flip (face left) 0x04 = invisible
0x0430 - 0x043F	Graphic ID	Determines object's animation loop
0x0460 - 0x046F	Counter 1	Use depends on object
0x0470 - 0x047F	Counter 2	Use depends on object
0x0480 - 0x048F	Counter 3	Use depends on object
0x0490 - 0x049F	Counter 4	Use depends on object
0x04A0 - 0x04AF	Stun timer	Actions/animation paused while nonzero
0x0620 - 0x063F	Current color palettes