This is the RAM map for Boktai 3 (J).

EWRAM

Address	Type	Description
0x02000580	void*	Pointer to Django's actor data?
+ 0x30	i16[3]	Current position
+ 0x332		VIT from equipment
+ 0x334		SPR from equipment
+ 0x336		STR from equipment
+ 0x424	i16	Current HP
+ 0x428	i16	Current ENE
+ 0x42C	i16	Current TRC
0x02000700	void*	Pointer to #Scratch struct, defaults to 0x0203e200 on hard reset (but moves on soft resets)
0x0200070c	void*	Pointer to backup of the stat struct (created on screen transitions, reloaded on death, saved to save file when saving)
0x02000708	void*	Pointer to #World struct, defaults to 0x0203e200 on hard reset (but moves on soft resets)
0x0200070c	void*	Pointer to backup of the stat struct
0x02000710	void*	Pointer to #Stat struct, defaults to 0x0203c400 on hard reset (but moves on soft resets)
0x0200eec0		Boss HP
0x020031c1	i8	Dialogue box portrait

Stat struct

Access this struct via 0x0203c508. Size: 0x89c. See also: Inventory (Boktai 3).

Offset	Type	Description
0x18	i16[4]	Stats (VIT/SPR/STR/?) - updated from *0x0200580 + ?? on screen transitions
0x28	i16	Current HP
0x2c	i16	Current ENE
0x30	i16[3]	Django position
0x42	i16	Allocatable stat points
0x48	i32	Total EXP
0x50	i16[8]	Current equipment (Weapon/Lens/Head/Body/Arms/Legs/?/?)
0x68		Quick change list (sword)
0x78		Quick change list (frame)
0x90		Quick change list (lens)
0xa0	i16[48]	Item inventory slots
0xc0		Warehouse item box 1
0xe0		Warehouse item box 2
0x100	i16[48]	Item inventory durability (negative = chocolate-covered)
0x160		Accessory inventory
0x180		Warehouse accessory box 1
0x1a0		Warehouse accessory box 2
0x1c0		Sword inventory
0x2c0		Warehouse sword box 1
0x3c0		Warehouse sword box 2
0x4c0		Frame inventory
0x596	i16	Stuffed dolls (bitmask)
0x5b8	i32	Acquired maps
0x608	i32	TRC gauge (0-1000)
0x610	i16	Mr. Rainnot enabled
0x638	i32	Red Django use
0x63c	i32	Black Django use
0x6f0		Library: Monsters
0x701		Library: Monster items
0x720		Library: Head
0x721		Library: Body
0x722		Library: Body
0x723		Library: Arms
0x724		Library: Legs
0x72c		Library: Swords
0x77c	i32	Solar station balance
0x780	char[16]	Player name
0x780	char[?]	Coffin bike name
0x7b0	i16	Solar bank balance
0x7b2	i16	Bike battle - points
0x7b4	i16	Bike battle - number of matches
0x7b6	i16	Bike battle - number of wins
0x7b8		Bike parts: Front
0x7bc		Bike parts: Tires
0x7c0		Bike parts: Body
0x7c4		Bike parts: Special
0x7f8		Bike parts: Color
0x81c		Bike parts: Options
0x828		Lens inventory
0x838		Key item inventory
0x876		Solar sensor: Bars

Access this struct via 0x0203db08. Size: 0x400.

Offset	Type	Description
0x15d	bit[9]	Titles (Adept/Gladiator/SP Agent/Champion/Dark Hunter/Alchemist/Collector/Doll Master/Storyteller)
0x19c:4	bit[20]	??? (bit 4 = Title: Grand master)

Access this struct via 0x0203e308.

Offset	Type	Description

Address	Type	Description
0x0300523c	u32	Actor disable flags
0x03005260	u16	Keypad: down buttons (active-high)
0x03005262	u16	Keypad: pressed buttons (down current frame, up on previous frame)
0x03005264	u16	Keypad: released buttons (up on current frame, down on previous frame)
0x03005280	Array	Actor list
0x030052f4	struct*	Pointer to current Map file descriptor (usually/always 0x02000010)
+ 0x00	i32	Number of Zones
+ 0x04	void*	Pointer to map file tile data
+ 0x0c	void*	Pointer to map file zones
+ 0x10	void*	Pointer to map file unknown block 1
+ 0x14	void*	Pointer to map file unknown block 2
0x03005308	i32	RNG index
0x030053f8	struct*	Pointer to #Global save data (always 0x030025c0)
0x03005418	i16[3]	Camera position
0x03005430	u32	RTC date (BCD, yyyymmdd)
0x03005434	u8	RTC hours
0x03005435	u8	RTC minutes
0x03005436	u8	RTC seconds
0x03005437	u8	RTC frames
0x03005438	u8	RTC day of week
0x0300543a	u8	Sunrise hours
0x0300543b	u8	Sunrise minutes
0x0300543c	u8	Sunset hours
0x0300543d	u8	Sunset minutes
0x03005448	i32	Region latitude
0x0300544c	i32	Region longitude

Offset	Type	Description
0x00	i32	Global frame counter
0x04	i32	Solar sensor calibration (`raw_level - 2` at time of calibration)
0x18	i32	Region ID

TODO