Tactics Ogre: The Knight of Lodis/ROM map

The following article is a ROM map for Tactics Ogre: The Knight of Lodis.

Overall ROM Map

Name	Start	End	Number of Entries	Size Per Entry	Total Size
Prizes/Random Treasures	0x61D8A0	0x61D99F	256	1	256
Hire Shop	0x622494	0x6224E3	10	8	80
Item Shop	0x6224E4	0x622583	40	4	160
Secret Shop	0x622584	0x62258B	8	1	8
Magic Shop	0x62258C	0x622617	35	4	140
Unit List	0x769130	0x76F66F	35	32	810

Data Structures

• Information on classes is available on the page Tactics Ogre: The Knight of Lodis:Jobs.
• Information on items and equipment is available on the page Tactics Ogre: The Knight of Lodis:Items.
• Information on abilities is available on the page Tactics Ogre: The Knight of Lodis:Abilities.

• Some tables have unknown data bytes at the beginning/end, its possible these tables are offset from there true position.
• Many tables have an empty entry at the beginning for 'None'. Not all tables have this taken into account yet. If a table has an odd number of entries, this is likely the case.

Prizes/Random Treasures Table

• Data starts at 0x0061D8A0 and ends at 0x0061D99F in the ROM.
• There are 256 entries, 1 bytes in length each.
• The first 108 bytes are random treasures (picked up when moving onto a map square).
  • Divided into 3 groups. Higher groups have better treasures.
  • The groups contain 10,13, and 13 entries respectively.(This needs to be confirmed)
  • When an item is picked up, a random entry is selected.
  • Each entry has 3 items, one for each of low, medium and high biorythm.
• Next are Quest rewards, starting at 0x0061D90C
  • Divided into 10 groups of 8 items each
  • Lower groups are better. Group is improved by beating harder quests, faster.
  • Items are randomly selected among the group
• Next are VS. Mode rewards, starting at 0x0061D94C
  • 64 Items total
  • Unknown how this functions.

Hire Shop Data Structure

• Data starts at 0x00622494 and ends at 0x006224E3 in the ROM.
• There are 10 entries, 8 bytes in length each.
• It's unknown how the game decides which entry to use. (e.g. Mermaids only in Rana, Giants only later in the game, random class every time, etc...)
• There is no termination data at the end of the table. The length must be hardcoded somewhere else.

Name	Length	Offset	Type	Max Value	Description
Class ID	1	0x00	uint8	0x54	Class to hire
Unknown	1	0x01	uint8	Unknown	Unknown entry. Always 0
Cost	2	0x02	uint16	??	Base cost to hire the unit
Per Level Cost	2	0x04	uint16	??	Adds this much gold to the cost per extra level bought
Unknown	1	0x06	uint8	Unknown	Unknown entry. Always 0
Unknown	1	0x07	uint8	Unknown	Unknown entry. Always 0

Item Shop Data Structure

• Data starts at 0x006224E4 and ends at 0x00622583 in the ROM.
• There are 40 entries, 4 bytes in length each.
• Prices are not stored in this table. They are stored in the item table.
• The last entry is a termination of (0xff,0xff,0x00,0x00) starting at 0x622580

Name	Length	Offset	Type	Max Value	Description
Availabilty	1	0x00	uint8	??	How far into the story the item first appears in the shop
Item ID	1	0x01	uint8	0xBF	Item to be sold
Unknown	1	0x02	uint8	Unknown	Unknown entry. Always 0
Unknown	1	0x03	uint8	Unknown	Unknown entry. Always 0

Secret Item Shop Data Structure

• The secret shop becomes available in Scabellum after recruiting Deneb
• Data starts at 0x00622584 and ends at 0x0062258C in the ROM.
• There are 7 entries, 1 bytes in length each.
• Prices are not stored in this table. They are stored in the item table.
• The last entry is a termination of (0xff) at 0x0062258C

Name	Length	Offset	Type	Max Value	Description
Item ID	1	0x01	uint8	0xBF	Item to be sold

Magic Shop Data Structure

• Magic Shop Data data starts at 0x0062258C and ends at 0x622617 in the ROM.
• There are 35 entries, 4 bytes in length each.
• Prices are not stored in this table. They are stored in the abilities table.
• If the spell is set to the index of an ability, it will not appear.
• The last entry is a termination of (0xff,0xff,0x00,0x00) starting at 0x622614

Name	Length	Offset	Type	Max Value	Description
Availabilty	1	0x00	uint8	??	How far into the story the spell first appears in the shop
Spell ID	1	0x01	uint8	0x7E	Spell to be sold
Unknown	1	0x02	uint8	Unknown	Unknown entry. Always 0
Unknown	1	0x03	uint8	Unknown	Unknown entry. Always 0

Unit List Data Structure

• Data starts at 0x00769130 and ends at 0x0076F66F in the ROM.
• There are 810 entries, 32 bytes in length each.
• This table contains the information on each unit that appears in the game
• It is not yet known how each map determines which units appear, however the units are listed in order.

Name	Length	Offset	Type	Max Value	Description
Character	1	0x00	uint8	??	If the unit is a special character. 0x01 if they are not. See the character table for more info.
Level	1	0x01	uint8	50	Character level
Level Scaling	1	0x02	uint8	0x04	Causes level to scale based on party level (needs confirmation)
Unknown	1	0x03	uint8	0xff	Unknown entry. Always 0xff
Item 1	1	0x04	uint8	0xBF	Item in 1st slot
Item 2	1	0x05	uint8	0xBF	Item in 2nd slot
Item 3	1	0x06	uint8	0xBF	Item in 3rd slot
Item 4	1	0x07	uint8	0xBF	Item in 4th slot
Spell 1	1	0x08	uint8	0x7F	Spell/ability in 1st slot
Spell 2	1	0x09	uint8	0x7F	Spell/ability in 2nd slot
Spell 3	1	0x0A	uint8	0x7F	Spell/ability in 3rd slot
Spell 4	1	0x0B	uint8	0x7F	Spell/ability in 4th slot
Emblems 1	1	0x0C	uint8	0xff	Bitfield of emblems in 1st row
Emblems 2	1	0x0D	uint8	0xff	Bitfield of emblems in 2nd row
Emblems 3	1	0x0E	uint8	0xff	Bitfield of emblems in 3rd row
Emblems 4	1	0x0F	uint8	0xff	Bitfield of emblems in 4th row
Class	1	0x10	uint8	0x54	class.
Element	1	0x11	uint8	0x06	Element.
Alignment	1	0x12	uint8	0x03	Alignment.
Gender	1	0x13	uint8	0x03	Gender.
Unknown	1	0x14	uint8	Unknown	Unknown (Value Varies).
Drop	1	0x15	uint8	0xBF/0x7F	Spell or item to drop on defeat.
Drop Type	1	0x16	uint8	0x03	0=None, 2=Item, 3=Spell.
Unknown	1	0x17	uint8	Unknown	Unknown (Value Varies).
Unknown	1	0x18	uint8	Unknown	Unknown (Value Varies).
X Position	1	0x19	uint8	Depends on map	X0,Y0 is top corner square.
Y Position	1	0x1A	uint8	Depends on map	X increases to bottom right, Y increases to bottom left
Unknown	1	0x1B	uint8	Unknown	Unknown (Value Varies 0-3).
Team/Role	1	0x1C	uint8	Unknown	0=Ally, 1=Leader, 2=Guest 0x80=Enemy, 0x81=Enemy Leader
Unknown	1	0x1D	uint8	Unknown	Unknown (Value Varies 0-3).
Unknown	1	0x1E	uint8	Unknown	Unknown (Value Varies 0-3).
Unknown	1	0x1F	uint8	0xff	Unknown (always 0xff).