Castlevania (NES, Famicom Disk System)/RAM map

The following article is a RAM map for Castlevania (NES, Famicom Disk System).

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

RAM	Function	Details
0x0004	RNG	Changes seemingly randomly.
0x0007	Title Bat Current sprite	May be used by something else.
0x001A	Timer	Increments by 1 each frame. Resets each time you "change stage?"
0x001E	Title Screen timer (time until demo mode)	Counts slowly (each 8 frames) up to $11 (until castle bat becomes close), then (each frame) down from $FF to $00.
0x0022	Paused	$01 = yes, $00 = no
0x0028	Current Stage
0x002A	Number of Lives
0x002E	Camera's X position
0x003E	Is Simon on stairs	$00 = yes, $01 = no
0x003F	Simon's Y position (in level)
0x0040	Simon's X position (in level)
0x0042	1's and 10's place of Time in BCD
0x0043	100's and 1000's place of Time in BCD
0x0044	Life Meter (Graphic)	2 bars = +$08, Max = $40(64)
0x0045	Life Meter (Actual)	2 bars = +$08, Max = $40(64)
0x0070	Whip length	Set to $00, $01, or $02.
0x0071	Number of Hearts	$00 to $63 (99 in decimal).
0x008X	Pulse 1 channel	Values determining how the sound plays.
0x009X	Pulse 2 channel	Ditto.
0x00AX	Triangle channel	'
0x00BX	Noise channel	'
0x00F7	Player 1 Controller	Similar to Metroid's 0x0014.
0x0159	Simon's current image (unknown use : dosen't seem to affect gameplay)	$00=standing, $01-03 = walk, $04 = jump and crouch, $05-07 = whip/sub-weapon, $0D-0E = walk up stairs, $0F-10 = walk down stairs, $12 = hurt $1C = dead $1D = collapsing
0x0160	Simon's screen position (in room)
0x0162	Simon's screen position (in room)	not 0x0160.
0x038C	Simon's X position (in screen)
0x0390	Enemy 1's X position (in screen)
0x0391	Enemy 2's X position (in screen)
0x0392	Enemy 3's X position (in screen)
0x0393	Boss 1?'s X position (in screen)
0x0395	Bat/Medusa Head 1's X position (in screen)
0x0396	Bat/Medusa Head 2's X position (in screen)
0x0397	Bat/Medusa Head 3/Drac's Top Fireball's X position (in screen)
0x0398	Bat/Medusa Head 4/Drac's Middle Fireball's X position (in screen)
0x0399	Bat/Medusa Head 5/Drac's Bottom Fireball's X position (in screen)
0x03A0	Sub-weapon 1's X position (in screen)
0x03A1	Sub-weapon 2's X position (in screen)
0x03A3	Platform 1's X position (in screen)
0x03A4	Platform 2's X position (in screen)
0x0450	Direction Simon looks	$00 = right, $01 = left
0x0498-049A	Timers	Count down from $08 to $00. May be related to sprites in some way.
0x04B2	Candle 1's current image	Oscillates from $01 to $02.
0x04B3	Candle 2's current image	Ditto 'til address 0x04B7.
0x04B4	Candle 3's current image
0x04B5	Candle 4's current image
0x04B6	Candle 5's current image
0x04B7	Candle 6's current image
0x0584	Simon's state	$00 = standing, $01 = going right, $02 = going left, etc.
0x6000-7FFF	RNG 2	Strangely, these 8192 values are all equal to the same thing.