Balloon Fight (NES)/RAM map

The following article is a RAM map for Balloon Fight (NES).

Data for "Balloon Fight (JU) [!].nes". Incomplete.

Table

RAM	Type	Additional info
0x0002	video	Set to 1 in the NMI handler. The main thread uses this to detect that a video frame has ended.
0x0019	counter	Incremented every frame. At the title screen, when this turns FF->00, the demo starts; pressing Select sets it back to 0.
0x00F9/C	p1 audio	seems to be some kind of player 1 audio thing
0x0078/F	sprite	1 for upward thrust (you can still move upwards when this is 0), 0 for no thrust, 3 for on the floor, 2 for walking left or right, 4 for breaking
0x0090	coord x	x coordinate of player 2
0x0091	coord x	x coordinate of player 1
0x0092/9	coord x	x coordinates of other players (max 9)
0x009B	coord y	y coordinate of player 1
0x009C/A3	coord y	y coordinates of other players
0x00D0/FF	sound	Sound effects and music related.
0x00E8/EB	sound	pointer to offset within pattern data; increments by 1 for each "row"
0x0100/E7	stack	This part appears not to change over the course of a game and is probably unused.
0x01E8/FF	stack	Function calls and saved registers come and go here.
0x0200/FF	sprite	Sprite display list in OAM format, which the NMI handler copies to the PPU
0x0300/FF	video	Apparently a circular list of tiles to draw to the background.
0x0400/8	coord x	x coordinates of players, fractional part
0x0409/11	speed	y coordinates of players, fractional part
0x0412/C	speed	y velocities of players, fractional part
0x041B/23	speed	y velocities of players, integer part (usually $00: positive or $FF: negative)
0x0424/C	speed	x velocities of players, fractional part
0x042D/35	speed	x velocities of players, integer part (usually $00: positive or $FF: negative)
0x0490/1	coord x	spark x
0x04A4/5	coord y	spark y
0x051C/D	speed	spark speed
0x0530/1	sprite	spark image

This page is rather stubbly and could use some expansion. Are you a bad enough dude to rescue this article?